Dewey

Biodata

Feature	Detail
Full Name	Dewey Jones 105 164 222
Alias	Du Wei 13; Esteemed Mr. Dewey Jones 164; Professor Remus Lupin (disguise) 164; Rufus Scrimgeour (disguise) 252 259 272 316
Species	Wizard (human) 2 4 13
Gender	Male (inferred from pronouns) 2 4 105
Affiliation	Independent political and magical power broker; infiltrated the Ministry of Magic and became Head of the Auror Office and later Head of the Department of Magical Law Enforcement while impersonating Rufus Scrimgeour; commands loyal Hit Wizards, goblins, house-elves, werewolf wizards, and Ministry operatives 105 164 245 252 305 306 393
Title / Epithet	"Esteemed Mr. Dewey Jones" 164; "My Loyal Servant, Dewey Jones" (used by Voldemort) 155; regarded by followers as a reformer and savior of Ministry outcasts 402
Notable Status	Former Azkaban prisoner 2 4; formerly contained a fragment of Voldemort’s soul, which he excised and revived as an independent Tom Riddle entity 222 226 227; senior Ministry official operating under Scrimgeour’s identity 252 306
Key Traits	Manipulative, cunning, calm under pressure, resilient, ruthlessly ambitious, politically reformist, and intermittently empathetic toward selected allies 4 105 201 207 228 305 402
Magical Abilities	Proficient in advanced spells, including Avada Kedavra, Crucio, Obliviate, layered Protego, Transfiguration, silent and wandless casting, advanced Apparition, alchemy, memory alteration, and Legilimency countermeasures; wields the “golden finger” card system to learn and upgrade spells 13 112 164 183 252 293 399
Physical Description	Not explicitly described in his natural form; frequently uses disguises and Special Cards to alter his appearance, including Professor Lupin and Rufus Scrimgeour 164 252 272
Known Associates	Sirius Black, Bertha Jorkins, Barty Crouch Sr., goblin masters, Dobby, Luna Lovegood, loyal Hit Wizards, Ministry reformers, and werewolf wizards 4 105 164 202 245 302 305 306 393
Goals	Gain power, oppose Voldemort, reshape the Ministry and wizarding society around merit rather than blood purity, retaliate against the British Ministry, undermine Gringotts and Pure-blood dominance, and maintain political control through competing factions 245 302 305 306 402

Physical Description

Dewey Jones's physical appearance is not fixed, as he possesses magical means of altering his form and regularly operates under false identities. He can transform into a golden beetle as an Animagus, impersonates Professor Lupin while teaching Occlumency, and later assumes Rufus Scrimgeour’s appearance while exercising authority inside the Ministry 6 164 252 272. His natural form is rarely described directly, but he is known to expel multiple versions of himself, each with distinct appearances and behaviors, suggesting that his body and identity are unusually unstable 244. One such expelled version physically resembles Remus Lupin, while another is described as wearing decayed, seawater-soaked robes 224 244.

He is frequently depicted as severely injured after battles and magical procedures, including wounds from his attempt to remove Voldemort’s soul fragment and a bloody gash sustained while altering Scrimgeour’s memories 228 302. His pain tolerance is extreme; he treats bruising and injuries as routine after a life of imprisonment and soul-related suffering 226. At Madam Malkin's, he purchases a walking stick for himself, which he uses afterward, but this is an accessory rather than a permanent characteristic 202. While disguised as Scrimgeour, he appears tall, walks with a slight limp, and projects a stern, predatory bearing 272.

• Animagus form: Can transform into a golden beetle 6.
• Disguised form: Appears as Professor Remus Lupin when teaching Harry Potter 164.
• Scrimgeour disguise: Assumes Rufus Scrimgeour’s identity to command Ministry personnel 252 259 272 306.
• Expelled personality versions: One version takes on the appearance of Remus Lupin 224; multiple versions have distinct appearances and behaviors 244.
• Injuries: Sustains severe injuries on multiple occasions, though specific marks are not consistently described 184 226 228 302.
• Accessories: Uses a walking stick purchased from Madam Malkin's and later carries a briar pipe with a gold mouthpiece 202 253.
• Attire: Wears new, proper clothes after being outfitted at Madam Malkin's; some fragmented versions of him wear tattered or decayed robes 202 244.

Personality

Dewey Jones possesses a complex and often contradictory personality, blending profound manipulativeness and ruthlessness with flashes of genuine kindness and a deep, almost philosophical understanding of pain and mortality. At his core, Dewey is a pragmatist who uses everyone and everything as tools to achieve his goals, yet he consistently demonstrates an intense personal code of recognition toward those he respects. He is remarkably resilient, bouncing back from severe injury, imprisonment in Azkaban, and even the fracturing of his soul with calm composure and unwavering determination. His charisma is potent, allowing him to win over enemies and allies alike—from the fearful Healer Augustus to the loyal house-elf Dobby—by projecting an air of confident control and, when needed, warmth. However, this warmth often masks a cold, indifferent interior; those who look into his eyes sense a fundamental danger, as if he is capable of any act without remorse 191.

Dewey is also cunning and strategic, orchestrating complex schemes that involve manipulating Dumbledore, Voldemort, Ministry officials, goblins, and Pure-blood families simultaneously, often playing multiple sides against each other for his own benefit 105 115 242 302. He later articulates a political vision opposed to blood-purity hierarchy, advocating a wizarding world in which power is earned through diligence and ability rather than lineage 305. Nevertheless, this reformist language coexists with extreme coercion, memory tampering, hostage-taking, and brutal violence against those he considers obstacles 252 253 281 306.

Dewey’s identity is unstable. His use of roles and disguises gradually erodes his sense of self; he recognizes that he has become dependent on the approval and meaning granted by personas such as beloved professor, powerful Ministry head, and great reformer 402. Detached from the Diary linked to his fragmented psyche, he becomes emotionally hollow and unnervingly rational, while the Diary itself becomes malicious and unstable without him 252. Beneath all of his public roles, Dewey describes himself in self-loathing terms as a “disgusting maggot” who should have died long ago, and identifies revenge as his underlying objective 402.

• Manipulative and Cunning: Dewey habitually uses others as pawns, exploiting their weaknesses and desires. He manipulates Dumbledore into helping him find Horcruxes while planning to kill him, coerces Barty Crouch Sr. into intelligence work by preying on his guilt, infiltrates the Ministry through Scrimgeour, and engineers competing political factions 105 115 242 302.
• Resilient and Determined: Facing severe injury, captivity, and even the destruction of parts of his soul, Dewey remains calm and focused. In Azkaban, he uses a mere piece of chocolate to fuel his magical power and plan an escape 6. He endures the pain of extracting Voldemort’s soul fragment and immediately turns the result into a trap for Voldemort 226 227.
• Charismatic and Composed: Dewey has a natural ability to put others at ease, even those who fear him. He wins over Healer Augustus by maintaining calm orders and a warm demeanor, treats Dobby with respect, and recruits disillusioned Ministry employees through personal attention and life-enhancing spells 188 202 134.
• Kind and Respectful (When It Serves His Purpose): Dewey can be genuinely considerate toward selected followers. He hires Dobby as a butler, insists on buying him proper clothes, addresses him as “Mr. Dobby,” and later ensures imprisoned werewolf wizards receive food and entertainment 202 400.
• Ruthless and Remorseless: Dewey shows little hesitation in sacrificing others for his goals. He attempts to murder Dumbledore, uses a German Death Eater as a sacrifice to gain Death’s attention, extracts Death Eaters’ hearts as hostages, and compares thorough memory alteration to murder 242 244 253 281.
• Politically Ambitious: Dewey seeks to remake the Ministry, weaken Pure-blood political dominance, challenge Gringotts, and establish a merit-based order under his own leadership 245 305 306.
• Resentful and Driven by a Sense of Justice: Dewey harbors deep resentment toward Dumbledore for knowing Sirius was framed yet doing nothing. This drives his determination to clear Sirius’s name and give legitimacy to those who fought against Voldemort, such as Regulus Black 207 228.
• Philosophical and Self-Aware: Dewey reflects on the nature of existence, teaches Augustus that happiness is fleeting but pain is eternal, and recognizes the corrosive effect that playing roles has on his own mind 191 402.
• Internally Fragmented: Dewey struggles with destructive impulses and has expelled multiple versions of his own personality. His emotional wholeness depends in part on his connection with the Diary, which becomes dangerous when separated from him 236 244 252.
• Affectionate in a Controlled Manner: Dewey displays physical affection toward trusted personnel, such as kissing Bertha’s forehead and patting Dobby’s head. These gestures are sincere enough to foster loyalty, though they remain intertwined with his methods of control 191 202 393.

Abilities

Card System

The Card System is Dewey Jones's primary magical framework, allowing him to acquire, upgrade, and utilize spells and abilities in the form of collectible cards. Each card corresponds to a specific magical effect or transformation, with rarities ranging from White Common to Purple Epic, Gold, and Special Cards. Cards are obtained through combat drops, interaction with other wizards, or by dismantling existing cards into Magic Essence—a resource used to replicate or upgrade spells. The system tracks Magic Power (MP) as an energy pool for casting, with costs varying per spell; for instance, Animagus costs 50 MP, while casting with a Purple Card Wand costs 10 MP 11. Upgrading a card requires merging identical cards in escalating quantities: a Level 2 card needs two copies, Level 3 needs six, and so forth 6. Reaching Level 5 grants a card a prefix (e.g., “Apprentice”) and significantly boosts its power, as seen when Protego became a physical, deflecting shield at Apprentice grade 14.

The system encourages combat as the primary means of advancement, since high-level cards are prohibitively expensive to replicate through essence alone 21. Higher prefixes continue beyond Teacher level: Master is attained at Level 12 and Grandmaster at Level 15, as demonstrated by Dewey’s Apparition 399.

• Notable Examples: Essence costs for replication are 100 for White, 800 for Blue, 1600 for Purple, and 3200 for Gold cards; destroying a card yields only one-quarter of its replication cost 6.
• Limitations: Without a template card, spells cannot be created from scratch; duplication is only possible if the card has been previously learned 6. The system also imposes diminishing returns—upgrading Apparition to desired levels requires enormous quantities of cards 102 399.
• Advanced Prefixes: Master-level cards begin at Level 12, while Level 15 confers the Grandmaster prefix 399.

Spells

Dewey has learned a wide array of spells, categorized by rarity and prefix. Many progress from basic versions to more powerful “Apprentice,” “Teacher,” Master, or Grandmaster grades, unlocking enhanced effects. His repertoire includes both common utility magic and high-level curses. Notable spells include Protego, which at Level 5 becomes an Apprentice-grade shield that physically deflects incoming spells rather than simply absorbing them 14. He can layer multiple Protego barriers, using refined common magic to withstand coordinated attacks 112. Stupefy, a basic stunning charm, can be stacked to Level 5 for the Apprentice prefix 20. Obliviate evolved into a Blue Rare card at Level 5 and later a Purple Epic Teacher-grade card at Level 8 21 193.

By his later conflicts with Voldemort, Dewey is capable of rapid wandless and silent casting, high-mobility dueling, advanced Transfiguration, and powerful defensive countermeasures. His spellwork includes silent barrages of offensive magic, Transfiguration to counter environmental attacks, and Protego against molten asphalt and other area-of-effect magic 293. He also possesses the advanced [Transfiguration Spell: Ribbon], which may potentially transform Voldemort into a ribbon if Dewey’s magical attainment becomes sufficient 252.

• Notable Examples:
  • [(Apprentice) Protego (Level 5)] (White Common) – Creates a solid, deflecting shield 14.
  • [(Apprentice) Stupefy (Level 5)] (White Common) – Upgraded through duplication 21.
  • [(Apprentice) Obliviate (Level 5)] (Blue Rare) – Transitioned from White to Blue at Level 5 21.
  • [Avada Kedavra (Level 1)] (Purple Epic) – Initially non-lethal or unreliable against certain Ministry operatives, but later used repeatedly to incapacitate Voldemort 14 245.
  • [(Teacher) Expelliarmus (Level 8)] (Blue Rare) – Obtained after defeating a Hit Wizard, with a higher prefix 48.
  • [(Teacher) Obliviate (Level 8)] (Purple Epic) – Extracted from Gilderoy Lockhart through intense “testing” 193.
  • [Transfiguration Spell: Ribbon] – Advanced Transfiguration capable in principle of transforming Voldemort into a ribbon 252.
  • [(Grandmaster) Apparition] – Near-teleportation movement obtained through continued card fusion 399.
• Limitations: High-level spells require enormous quantities of identical cards to upgrade. Dewey’s Teacher-level Expelliarmus remains insufficient against a soulless Voldemort, whose condition prevents normal disarming effects 252 293.

Animagus

The Animagus transformation is a Special Card that allows Dewey to take the form of a golden beetle. This ability is distinct from standard Transfiguration and cannot be replicated by ordinary wizards. The transformation consumes 50 MP and, once triggered, can theoretically last indefinitely, though prolonged time in animal form risks the wizard's human consciousness converging with that of the animal 6. Dewey first used this ability to escape from Azkaban, transforming into a beetle to slip past security 6. The card’s description warns that its side effects may be “far more severe than its benefits,” but it remains a vital tool for infiltration and survival 5.

Later, Dewey obtains additional Special Cards such as [Werewolf], [Metamorphmagus], and [Savage Goblin Forging], expanding his transformative repertoire 102. However, the Animagus form is not without risk—Dewey’s transformation into a beetle was initially imperfect, requiring careful management to avoid permanent loss of human cognition 6.

• Notable Examples: The golden beetle form allowed Dewey to escape from a high-security cell in Azkaban 6.
• Limitations: Extended use may erode human consciousness; the transformation consumes a significant portion of Dewey's Magic Power (50 out of his initial 80 MP) 11. The card is unique and cannot be upgraded through duplication.

Other Special Cards

Beyond the core system, Dewey possesses several Special Cards that grant rare or unique abilities. These include [Werewolf], obtained after his release, which allows him to transform into a werewolf-like state—though the exact nature and limitations of this card are not fully explained, it confounds even experienced wizards like Mad-Eye Moody, who cannot replicate the effect through Transfiguration 57. [Metamorphmagus] is another Special Card, presumably granting shape-shifting capabilities similar to that of a natural Metamorphmagus (e.g., Nymphadora Tonks). [Savage Goblin Forging] provides knowledge of goblin-forged magical artifacts, which Dewey uses to coordinate with Goblin Forgemasters in creating new weapons 221 102. Dewey later continues to improve this forging-related ability by collecting and allocating cards to it 259.

[Basilisk Rearing Guide] offers theoretical knowledge on creating and controlling Basilisks, a dangerous magical creature 102. Additionally, Dewey acquires alchemical Special Cards from Voldemort, such as [Mercury Homunculus], which details the method Voldemort used to construct his infant-sized body through alchemy 188.

• Notable Examples: [Werewolf] – Allows Dewey to assume a wolf-like form, baffling observers who cannot explain the change through standard Transfiguration 57. [Basilisk Rearing Guide] – Provides instructions for raising a Basilisk, though Dewey only considers the possibility and does not actually implement it 102. [Mercury Homunculus] – Records the alchemical process behind Voldemort’s resurrection body 188.
• Limitations: Many Special Cards are unique and cannot be upgraded or duplicated. Their effects are often situational or require extensive preparation. The exact mechanics of [Werewolf] and [Metamorphmagus] are not elaborated in the given context.

Memory Magic and Identity Manipulation

Dewey’s Teacher-level Obliviate is among his most dangerous abilities. He uses it not merely to erase memories, but to force victims such as Peter Pettigrew, Gilderoy Lockhart, Bertha Jorkins, and Rufus Scrimgeour to relive, alter, or accept reconstructed memories 281 302. Scrimgeour’s strong will resists the alteration more effectively than Dewey’s other victims, leaving minor defects and side effects in the impersonation 302.

Dewey can maintain disguises through these altered memories and uses them to impersonate Scrimgeour at the highest levels of Ministry government 252 259 306. His own identity is also affected by soul fragmentation, magical roles, and his connection with the Diary; without the Diary, he becomes emotionally detached, while the Diary becomes a malicious, unstable artifact without Dewey 244 252 402.

Power Progression

Stage	Key Events	Notable Spells/Cards
After Azkaban Escape	— Uses chocolate to convert Duel Points into Magic Power, raising it from 10 to 80. — Destroys superfluous cards for 2,225 Essence. — Upgrades Apparition, Avada Kedavra, and Protego using Essence; obtains Animagus Special Card. — Plans escape, overhears Minister visiting.	• Apparition (Level 1) – Purple Epic • Avada Kedavra (Level 1) – Purple Epic • Protego (Level 1) – White Common • Animagus – Special Card • Also gains: Stupefy, Alohomora, Impedimenta, Wingardium Leviosa, Crucio, Petrificus Totalus, etc.
First Major Upgrades	— Upgrades Stupefy to Level 5 (Apprentice), Obliviate to Level 5 (Apprentice), Protego to Level 5 (Apprentice). — Discovers that Level 5 Protego creates a physical, deflecting shield. — Duplicates and upgrades Petrificus Totalus to Level 3, Reducto to Level 2, Expecto Patronum to Level 3. — Obliviate evolves into a Blue Card; learns Card System encourages combat for upgrades. — Obtains many Expecto Patronum cards from Azkaban duty.	• (Apprentice) Protego (Level 5) – White Common • (Apprentice) Stupefy (Level 5) – White Common • (Apprentice) Obliviate (Level 5) – Blue Rare • Petrificus Totalus (Level 3) – Blue Rare • Reducto (Level 2) – Blue Rare • Expecto Patronum (Level 3) – Purple Epic • Apparition (Level 2) – Purple Epic • Finite Incantatem (Level 2) – Blue Rare
Hit Wizard Ambush	— Attacks and defeats a group of Hit Wizards near Hogwarts. — Gains a new (Teacher) Expelliarmus at Level 8, a stronger Disarming Charm. — Learns Morsmordre, the spell that summons the Dark Mark. — Acquires multiple other cards: Impedimenta, Alohomora, Lumos, Rib-Bending Curse, Relashio. — Infiltrates London via Muggle transportation.	• (Teacher) Expelliarmus (Level 8) – Blue Rare (×65) • Morsmordre (Level 1) – White Common • Impedimenta (Level 2) – ×2 • Alohomora (Level 1) – White Common • Lumos (Level 1) – White Common (×11) • Rib-Bending Curse (Level 1) – Blue Rare (×7) • Relashio (Level 1) – Blue Rare (×16) • (Apprentice) Obliviate (Level 5) already known
Special Cards Acquired	— Accumulates five Special Cards: Animagus, Werewolf, Savage Goblin Forging, Metamorphmagus, Basilisk Rearing Guide. — Upgrades Expelliarmus and Protego to Teacher prefix. — Gains Teacher-level Protego from further training. — Obtains many more purple Expecto Patronum cards from Harry Potter. — Strengthens overall combat power to elite Auror level.	• Animagus – Special Card • Werewolf – Special Card • Savage Goblin Forging – Special Card • Metamorphmagus – Special Card • Basilisk Rearing Guide – Special Card • (Teacher) Expelliarmus (Level 8) – Blue Rare (already) • (Teacher) Protego – assumed similar level • Expecto Patronum (Level?) – Purple Epic (many copies)
Voldemort Defeated (First Encounter)	— Captures Voldemort and obtains 17 Purple Cards from him. — Most drops are Avada Kedavra cards; also gains alchemy spells for body creation and resurrection, and a powerful Transfiguration Spell. — Uses a Niffler to retrieve gold coins from stolen stash. — Refuses to meet Dumbledore, instead asks about Peter Pettigrew and Sirius Black. — Gains insights into immortality via Resurrection Coffin and Horcruxes.	• Avada Kedavra (multiple Purple cards) • Alchemy: Resurrection Coffin (body creation/resurrection) • Transfiguration Spell (high-level) • Other Purple cards from Voldemort’s followers (e.g., from Death Eaters)
Teacher-Level Obliviate	— Uses intense violence on Lockhart to harvest Obliviate cards over a week. — Upgrades Obliviate to (Teacher) level 8, becoming a Purple Epic card. — Discovers that Teacher-level Obliviate is a Purple Card, changing card text to hint at the Memory Charm’s founder. — Realizes that upgrading spells to purple increases leveling speed (no need to destroy purple cards for dust).	• (Teacher) Obliviate (Level 8) – Purple Epic — Note: Pre-existing cards remain; this is a major qualitative jump in Memory Charm power.
Soul Fragment Excision and Voldemort Trap	— Uses powerful Obliviate to locate Voldemort’s soul fragment in his own memories. — Performs a dangerous soul-splitting spell, successfully excising and reviving Tom Riddle. — Lures the newly revived Voldemort into attacking, then overwhelms him with Avada Kedavra and other spells. — Goblin masters poison and confine Voldemort in a Suitcase.	• (Teacher) Obliviate (Level 8) – Purple Epic • Avada Kedavra barrage • Soul-splitting magic • Alchemical and goblin-made containment 222 226 227
Ministry Infiltration and Advanced Magic	— Alters Rufus Scrimgeour’s memories and impersonates him. — Uses advanced Obliviate to alter Lockhart and Peter Pettigrew’s memories. — Begins investing Purple Cards into Teacher-level Expelliarmus and [Transfiguration Spell: Ribbon]. — Commands Hit Wizards and becomes Head of the Department of Magical Law Enforcement under Scrimgeour’s identity.	• (Teacher) Expelliarmus (Level 8) – Blue Rare • (Teacher) Obliviate (Level 8) – Purple Epic • Transfiguration Spell: Ribbon • Advanced memory alteration 252 281 302 306
Master-Level Combat	— Duels Voldemort with wandless, silent spellcasting and high-mobility combat. — Counters Avada Kedavra, Dragon’s Fury, transfigured barriers, and molten asphalt with Transfiguration and Protego. — Continues collecting cards specifically to improve Apparition.	• Wandless and silent spellcasting • Layered Protego • Advanced Transfiguration • Apparition under continuous improvement 293 399
Grandmaster Apparition	— Fuses a large quantity of newly acquired Apparition cards after defeating numerous wizards. — Reaches Level 15, granting the Grandmaster prefix. — Achieves movement indistinguishable from teleportation, apparently moving without visible displacement or trace.	• (Grandmaster) Apparition – Level 15 399

Relationships

Sirius Black

The relationship between Dewey Jones and Sirius Black began in the grim confines of Azkaban, where Dewey, a fellow prisoner, attacked Sirius repeatedly in order to acquire spell cards through his unique system. This violent initiation slowly gave way to a grudging camaraderie, and the two eventually formalised their alliance through an Unbreakable Vow. Dewey swore to protect Harry Potter and clear Sirius’s name, while Sirius pledged to support Dewey in his war against Voldemort. However, the bond remained uneasy: Sirius was perpetually wary of Dewey’s manipulative nature and ruthless methods, while Dewey treated Sirius as a useful but often frustrating ally.

• Dewey and Sirius first met in Azkaban, where Dewey repeatedly punched Sirius to force him to use spells and drop cards, eventually ceasing after three days and forming a strange friendship 4.
• After escaping, Dewey summoned Sirius to the Shrieking Shack and proposed the Unbreakable Vow; Sirius initially tried to stop Dewey from adding a dangerous condition, but Dewey forced the pact through 96.
• Sirius provided intelligence and assistance, such as capturing Goblin master smiths and meeting Dewey at the Shrieking Shack to report on Barty Crouch Sr.’s house 102 115.
• After Dewey showed Sirius the Slytherin Locket Horcrux and revealed Regulus Black’s heroism, Sirius was initially dismissive but later read Regulus’s final letter, prompting hesitant acknowledgment 207 236.
• Sirius continually worried about Dewey’s mental state and attempted to guard against his sudden outbursts after sensing that something was wrong with him 237 236.
• When Dewey planned to escape Hogwarts with four Voldemort look-alikes, including Sirius, Dewey manipulated Sirius into participating in the deception 242.

Bertha Jorkins

Dewey Jones cultivated Bertha Jorkins as a highly effective intelligence asset within the Ministry of Magic, recognising her “astonishing talent for stealing secrets.” He consistently praised her work, kissed her forehead in greeting, and made her feel valued—a stark contrast to the dismissive treatment she received from most others. Bertha, in turn, became fiercely loyal to Dewey, eagerly carrying out his orders to observe Ministry officials, organize safe houses, and assist with his political plans.

• Dewey summoned Bertha to the Shrieking Shack and praised her for gathering information, then tasked her with observing certain Ministry figures regarding their stance on Fudge 96.
• She reported on Ludo Bagman’s corruption and helped coordinate meetings with Ministry officials at Sirius’s house, functioning as a leader and influencer for Dewey’s cause 210.
• Dewey kissed Bertha on the forehead when they met, and she felt her efforts were finally recognised 96 134 164.
• Dewey later entrusted her with locating a designated safe house, a responsibility she interprets as evidence of his personal trust 268.
• She continues to work beside him while he impersonates Scrimgeour, helping procure Christmas gifts and manage the consequences of his Ministry disruption 272.
• By the time of his Ministry takeover, Bertha has become more poised and socially integrated, with her confidence strongly linked to Dewey’s recognition 258.

Barty Crouch Sr.

Dewey Jones manipulated Barty Crouch Sr. with cold efficiency, exploiting the former Ministry official’s guilt, misery, and loss of political power after losing the Minister for Magic election. Dewey forced Barty to provide high-level intelligence and assistance with goblins, using knowledge of Barty’s hidden son as leverage. The relationship was one of outright domination.

• Dewey met Barty Crouch Sr. at his manor, where Barty was found neglecting his work and hiding his son under the Imperius Curse; Dewey used the situation to blackmail Barty into serving him 105.
• Dewey later visited Barty again, bringing up his past actions and offering to commit suicide together, aiming to deepen Barty’s despair and ensure compliance 115.
• Barty followed Dewey’s orders by supporting Amelia Bones against Fudge, causing Ministry chaos, and by providing information 115.
• By the time of Barty’s death, Dewey had already established influence over the Ministry through other agents, rendering Barty’s role fulfilled 210.

Kreacher

The Black family house-elf Kreacher initially displayed fierce loyalty to Voldemort and attacked Dewey on sight at 12 Grimmauld Place. Dewey responded without fear, verbally and magically overpowering Kreacher, and later demonstrated his dominance by torturing the Horcrux around Kreacher’s neck with the Cruciatus curse. Despite Kreacher’s stubborn defiance, Dewey’s occasional equal treatment of him confused and frightened the elf.

• Kreacher attacked Dewey upon his return to Grimmauld Place; Dewey easily defeated him and took the Slytherin Locket Horcrux 204.
• Dewey tortured the Voldemort fragment inside the locket with Crucio, terrifying Kreacher 204.
• Later, Dewey treated Kreacher as an equal in a verbal altercation, leaving Kreacher struggling to comprehend the dynamic 207.
• Dewey forced Kreacher to retrieve Regulus’s memory and letter, then used the information to prove Regulus’s heroism 207 230.
• Kreacher became afraid of Dewey, obeying his commands despite his previous loyalty to the Dark Lord 210.
• When Kreacher later attacked again over the loss of the Black home, Dewey responded with a violent threat, prompting Sirius to intervene defensively against Dewey rather than Kreacher 236.

Dobby

Dobby is one of Dewey’s most devoted associates. Dewey hired the free house-elf as his butler after addressing him as “Mr. Dobby,” shaking his hand, and treating his dignity as significant. Dobby sees Dewey as both his employer and friend, and his loyalty endures even as Dewey’s organization expands into a hidden London territory.

• Dewey offered Dobby employment, chocolate, and recognition, deliberately addressing him as “Mr. Dobby” 202.
• Dewey purchased formal, wizarding, and everyday clothing for Dobby, insisting that he be treated as a person rather than property 202.
• Dobby helped Dewey escape after the Horcrux confrontation and admired Dewey’s attempted murder of Dumbledore 242.
• Dobby manages Dewey’s disguised dental-clinic territory in London, where house-elves and goblins gather under his administration 393.
• Dewey continues to greet Dobby affectionately, pats his head, and specifically orders him to provide food and entertainment to imprisoned werewolf wizards 393 400.

Albus Dumbledore

Dewey Jones’s relationship with Albus Dumbledore was one of careful, hostile manipulation disguised as cooperation. Dewey openly threatened Dumbledore, yet Dumbledore remained calm and even protective of Dewey in the face of Voldemort. Dewey used Dumbledore as a tool to locate Horcruxes and to serve as a distraction, while Dumbledore seemed to tolerate Dewey’s actions for reasons unknown.

• Dewey gave Dumbledore Regulus Black’s letter, revealing the existence of the Horcrux, and Dumbledore reacted with contemplative sadness 236.
• When Dewey decided to take Dumbledore to find the Gaunt Horcrux, he threatened Dumbledore openly; Dumbledore remained unfazed and accompanied him via Floo 237.
• During the confrontation with Voldemort, Dumbledore ignored Voldemort and focused on protecting Dewey, showing his priority 242.
• Dewey attempted to murder Dumbledore by distracting Voldemort with the Resurrection Stone, then escaped with Death Eaters 242.
• Dumbledore later directly questions whether the supposed Scrimgeour is actually Dewey Jones and probes his identity through Legilimency at the Hog’s Head 316.
• Dumbledore knew of Dewey’s dangerous potential but continued to allow him freedom, a fact that frustrated Mad-Eye Moody 84 105.

Voldemort

Dewey Jones’s relationship with Lord Voldemort is that of a defiant enemy, former Horcrux host, and rival manipulator. Voldemort initially regarded Dewey as a loyal servant to be recovered, but Dewey successfully separated Voldemort’s soul fragment from himself, revived Tom Riddle independently, and used the reborn Dark Lord’s ambition against him 155 226 227. Their conflict later becomes an open contest between powerful spellcasters.

• Voldemort learned of Dewey’s existence and instructed a servant to find and bring “Dewey Jones” to him 155.
• Dewey tortured the Voldemort fragment inside the locket Horcrux, causing Voldemort pain and rage in Germany 204.
• Voldemort set a curse on Dewey that triggered when Dewey used the Floo Network, causing him pain 237.
• Dewey revealed the Resurrection Stone to Voldemort, knowing Voldemort would find it useless, in order to bait and distract him 242.
• Dewey extracted Voldemort’s fragment from his own soul, revived Tom Riddle, and then defeated the reborn Voldemort with an overwhelming spell barrage 226 227.
• Dewey kept Voldemort comatose through repeated Avada Kedavra casts and goblin confinement, inflicting lasting mental harm 245 252.
• The two later engage in a high-mobility duel featuring silent and wandless magic; neither can kill the other quickly, resulting in a temporary stalemate 293.

Luna Lovegood

Dewey forms an unusually open relationship with Luna Lovegood while operating in Professor Lupin’s guise. He treats her as someone capable of hearing his plans rather than merely a child to be protected, admitting that he is lonely and cannot easily confide in others.

• Dewey travels with Luna on the Knight Bus after leaving Hogwarts and reveals his strategy of altering Scrimgeour’s memories, faking his own death, and creating three competing English factions 302.
• Luna listens calmly to his plans, asks direct questions, and attempts to give him a bottle-cap bracelet as a lucky charm 302.
• Dewey expresses admiration for Luna’s father, Xenophilius Lovegood, while explaining his intentions to take revenge on the British Ministry 302.

Narcissa Malfoy

Dewey’s relationship with Narcissa Malfoy is defined by intimidation, leverage, and her desperate desire to protect Draco. While disguised as Scrimgeour, Dewey uses his knowledge of Voldemort’s plans and his willingness to brutalize Death Eaters to force Narcissa’s cooperation.

• Dewey meets Narcissa to gather intelligence on Voldemort’s Christmas plans, Death Eater activity, and Pure-blood alliances 252 253.
• He extracts the hearts of four Death Eaters in her presence and keeps them as hostages, demonstrating both magical power and willingness to use extreme violence 252 253.
• Narcissa cooperates because Dewey offers conditional protection for Draco and threatens to intervene personally if Draco fails to cooperate 253.
• Dewey alters Narcissa’s memories after their meeting, forcing her to leave herself written reminders because she expects to forget crucial events 253.

Plot Involvement

Azkaban Escape and Early Machinations

Dewey Jones’s involvement in the plot begins with his improbable escape from Azkaban, where he had survived over a decade of high-security imprisonment—an achievement that shocked even his former Death Eater allies, as the average life expectancy for such prisoners was only a few months 84. His escape, alongside Sirius Black’s subsequent breakout, threw the Ministry of Magic into panic; Cornelius Fudge immediately sought Dumbledore’s counsel, while Severus Snape expressed disbelief that someone as “mediocre” as Dewey could have broken out 8. During his imprisonment, Dewey formed an unlikely bond with Sirius Black, trading punches for answers about Peter Pettigrew and Harry Potter, and developed a sense of camaraderie that would later underpin their alliance 4.

Once free, Dewey quickly demonstrated his resourcefulness: he upgraded his spells—Stupefy to level 4, Obliviate to level 3, and Protego to level 5—using a piece of chocolate from an Auror to convert Duel Points into Magic Power, and he intimidated the Dursleys before leaving a wand and coin behind to taunt Dumbledore 6 14. These early actions established Dewey as a cunning and dangerous figure, one whom Mad-Eye Moody immediately recognized as unlike other Death Eaters—possessing his own will and grand ambitions that went beyond serving Voldemort 84.

• Key Actions: Escaped Azkaban after eleven years; survived imprisonment through resilience; formed a bond with Sirius Black by answering his questions in exchange for punches; used a chocolate gift to convert Duel Points into Magic Power; upgraded key spells; intimidated the Dursleys and left behind a wand and coin.
• Outcomes: Caused panic at the Ministry, with Fudge seeking Dumbledore’s help; alerted Aurors and Dumbledore to Dewey’s dangerous independence; established an alliance with Sirius; demonstrated advanced magical competence and strategic cunning; marked himself as a unique threat, distinct from other Death Eaters.

Manipulation of Barty Crouch Sr.

Dewey systematically manipulated Barty Crouch Sr., exploiting the former Head of the Department of Magical Law Enforcement’s political defeat and personal guilt to secure high-level Ministry intelligence and goblin assistance. After Barty Sr. lost the Minister for Magic election, he became decadent and careless, neglecting his work and his son, Barty Crouch Jr., whom he kept under an Imperius Curse 105. Dewey approached Barty Sr. with an offer: in exchange for help with the goblins and access to Ministry secrets, Dewey would leave Barty Jr. alone—though his true aim was to provoke Barty Sr. into further desperation 102 105.

Dewey visited Barty Sr. at his manor, bringing up past crimes and even suggesting a suicide pact, all while framing Ministry officials for goblin-smith kidnappings 115. As Barty Sr. grew more miserable, Dewey revealed his larger plan to use Voldemort’s return as a catalyst to expose the deep-seated problems of the magical world, comparing it to the spark that ignited World War I 119. The manipulation culminated in Barty Sr.’s death: Dewey set him up on a rooftop with a letter resembling Voldemort’s style, allowing Dumbledore to discover the scene and believe Barty Sr. had been killed by the Dark Lord—though Dewey himself had orchestrated the murder 199.

• Key Actions: Approached Barty Crouch Sr. after he lost the election, exploiting his decadence and guilt; secured a deal for Ministry intelligence and goblin cooperation; visited Barty Sr. to provoke him by referencing past crimes; suggested a suicide pact; framed Ministry officials for goblin-kidnappings; eventually killed Barty Sr. by staging it as a Death Eater attack.
• Outcomes: Gained access to high-level Ministry information and goblin smiths; deepened Barty Sr.’s psychological torment; manipulated the Ministry’s political landscape by exacerbating conflicts between Fudge, Bones, and Barty Sr.; eliminated a potential obstacle while using his death to further sow chaos.

Using Dumbledore to Locate Horcruxes

Dewey cunningly exploited Dumbledore’s moral boundaries and investigative nature to locate Voldemort’s Horcruxes, particularly the Resurrection Stone. Knowing that Dumbledore would intercept Voldemort if given the chance, Dewey led the elderly wizard to the Gaunt Shack under the pretense of hunting Horcruxes, all while intending to use Dumbledore as both a shield and a tool 237 242. During their journey, Dewey openly threatened Dumbledore and refused to learn Occlumency, preferring to use Voldemort’s anger and pain to his advantage 237.

Dumbledore, maintaining his calm demeanor, guided Dewey through the dangerous curses protecting the Horcrux, even sacrificing some of his own blood to break the enchantments 239. Once Voldemort arrived, Dumbledore engaged him in a duel, while Dewey remained behind Dumbledore, revealing the Resurrection Stone’s existence to Voldemort and watching the two “Voldemorts” clash 242. After Dumbledore’s intervention, Dewey escaped with several Death Eaters, having successfully used Dumbledore to achieve his goal of locating the Horcrux and provoking Voldemort 242.

• Key Actions: Led Dumbledore to the Gaunt Shack under the guise of Horcrux hunting; openly threatened Dumbledore and refused Occlumency; allowed Dumbledore to break curses at personal cost; revealed the Resurrection Stone to Voldemort during the duel; used Dumbledore as a shield during Voldemort’s attack; escaped with Death Eaters after Dumbledore stalled Voldemort.
• Outcomes: Successfully located the Horcrux with Dumbledore’s help; provoked Voldemort’s rage and obsession with the Stone; confirmed Dumbledore’s suspicions about Voldemort’s Horcruxes; escaped without facing direct consequences.

Separation from Voldemort’s Soul Fragment

After learning that he was a Horcrux, Dewey embarked on a dangerous effort to remove Voldemort’s soul fragment from himself. He used his powerful Teacher-level Obliviate to navigate painful memories and locate the green fragment hidden in his consciousness 222. The process exposed his unstable internal identities and forced him to confront a younger, ambitious version of Tom Riddle within his own mind 226.

Dewey then used a dangerous soul-splitting spell on himself. Although the procedure left him severely weakened and in extraordinary pain, he successfully separated the fragment and revived it as an independent Tom Riddle 226. He addressed the revived Voldemort as “Mr. Tom” and mockingly claimed to be his “Mother,” immediately turning the supposed liberation into a calculated trap 226 227.

• Key Actions: Searched his own memories with Obliviate; found Voldemort’s soul fragment; performed soul-splitting magic; revived Tom Riddle; feigned weakness and offered him a wand.
• Outcomes: Ended Dewey’s status as a Horcrux host; created an independent and vulnerable Voldemort; established the conditions for Dewey’s subsequent capture of the Dark Lord 226 227.

Confrontation with Voldemort and Attempted Murder of Dumbledore

Dewey’s boldest plot involvement came when he attempted to murder Dumbledore and directly confronted Voldemort, positioning himself as a power broker in the escalating conflict. After using Dumbledore to find the Horcrux, Dewey tried to kill him but failed, remarking casually to Dobby that it was “attempted murder” and that he would brag if he had succeeded 242. He then separated and revived Voldemort’s soul fragment before luring the reborn Dark Lord into attacking him. Dewey responded with an overwhelming barrage of Avada Kedavra and other spells, knocking Voldemort unconscious 227.

Dewey subsequently kept Voldemort bound and comatose by periodically casting Avada Kedavra, while goblins processed him to prevent his magic from recovering 245. However, this control did not permanently resolve their conflict. Voldemort later fought Dewey in a high-speed duel in which Dewey demonstrated silent, wandless, and mobile spellcasting sufficient to earn the Dark Lord’s recognition; the battle ended in a short-term stalemate rather than either combatant’s death 293.

• Key Actions: Attempted to murder Dumbledore but failed; separated Voldemort’s soul fragment; captured the reborn Voldemort; maintained him through goblin confinement and repeated Avada Kedavra; later dueled Voldemort using silent and wandless magic.
• Outcomes: Demonstrated willingness to confront both Dumbledore and Voldemort directly; temporarily reduced Voldemort to a powerless prisoner; inflicted mental damage on Voldemort; proved capable of surviving a direct advanced duel with the Dark Lord 242 245 252 293.

Political Manipulation and Ministry Infiltration

Dewey engaged in extensive political manipulation, aiming to exploit the Ministry of Magic’s weakness and eventually take it over. He used Bertha Jorkins as a loyal aide, helping her with chores and preparing for a significant event—the takeover 245. Through Barty Crouch Sr., he gained influence over goblin affairs and Ministry intelligence, and he framed Ministry officials to discredit them 105 115. Dewey also orchestrated public chaos: he summoned Werewolf Wizards in London by releasing the Dark Mark and howling, drawing Auror attention and forcing Scrimgeour to divide his forces 164.

His infiltration later became direct. Dewey altered Rufus Scrimgeour’s memories and impersonated him, first becoming Head of the Auror Office and then Head of the Department of Magical Law Enforcement 252 306. From that position, he secured Hit Wizard loyalty through magical contracts, intimidated Dirk Cresswell for Gringotts intelligence, and openly challenged entrenched Pure-blood officials 305 306. Dewey’s stated political program rejects blood purity as the basis for power and promises advancement through diligence, though his methods remain coercive and authoritarian 305.

• Key Actions: Cultivated Bertha Jorkins as a loyal operative; used Barty Crouch Sr. for Ministry intelligence and goblin cooperation; summoned Werewolf Wizards to cause chaos; altered Scrimgeour’s memories; secured Hit Wizard loyalty; pressured Ministry officials and Goblin Liaison Office head Dirk Cresswell.
• Outcomes: Gained effective control of senior Ministry positions; created chaos and mistrust within the Ministry; built a loyal following among werewolves, goblins, Dark Wizards, and Ministry outcasts; established a political program against Pure-blood dominance 164 252 305 306.

Three-Faction Strategy and Hidden London Territory

Dewey deliberately engineers a divided political landscape in England. While traveling with Luna Lovegood, he reveals that he altered Scrimgeour’s memories and faked his own death in order to create three competing factions: the Order of the Phoenix, the Ministry of Magic, and the Death Eaters 302. This fragmentation allows him to influence events from multiple identities while preparing revenge against the British Ministry 302.

He also establishes a hidden London territory disguised as an ordinary dental clinic near the Ministry. The upper floors are protected by Muggle-Repelling Charms and serve as a base for Dobby, house-elves, goblins, and Dewey’s intelligence operations 393. Through goblin financial and social connections, Dewey gains access to information capable of influencing both magical and Muggle institutions, while encouraging goblin ambition without directly restricting it 393.

• Key Actions: Revealed the three-faction strategy to Luna; established a concealed London base; placed Dobby in charge of the clinic territory; cultivated goblin channels for intelligence and influence; monitored Voldemort through Dark Mark activity and surveillance networks 302 393 400.
• Outcomes: Secured an operational base close to the Ministry; expanded influence into Muggle-adjacent information networks; maintained plausible separation between his public identities and his private organization 393.

Identity Erosion and Reformist Persona

As Dewey’s power expands, his use of magical roles becomes increasingly central to his self-conception. He operates as a respected Defense Against the Dark Arts professor, the feared Scrimgeour-like head of magical law enforcement, and a reformer celebrated by Ministry outcasts 402. His followers see him as someone who brought vitality and advancement to a stagnant wizarding world 402.

Dewey himself recognizes these personas as both useful and dangerous. The more he plays a role, the more he depends on the validation it provides, gradually forgetting his origins as an escaped Azkaban prisoner 402. His stated reformism is inseparable from revenge, and he privately rejects the heroic image others impose upon him 402.

• Key Actions: Used public identities to gain loyalty and authority; promoted merit over blood purity; cultivated followers among marginalized Ministry workers and magical beings; reflected on the psychological effects of role-playing.
• Outcomes: Became regarded by followers as a powerful reformer; gained a broad political base; suffered increasing erosion of a stable personal identity and acknowledged revenge as his ultimate motive 305 402.