Chiyo

Biodata

Feature	Details
Name	Uchiha Chiyo (千代)
Alias(es)	Lord Chiyo; Chiyo-niichan; Chiyo-kun; Chiba; Fourth Hokage; Dog Demon Clan Elder
Species/Race	Human; later recognized by the Dog Demon Clan as possessing pure royal blood and develops into a Great Yaoguai 471 474 477
Gender	Male
Affiliation	Konohagakure; Uchiha Clan; Konoha Guard Unit; Ninja Federation; Dog Demon Clan of the Western Country
Occupation/Role	Uchiha Clan Head; Medical Ninja training organizer; wartime advisor; Fourth Hokage; Federation leader; Dog Demon Clan fourth-ranked elder
Status	Active
Age	18 (recorded) 56; 26 260; 29 387
First Appearance	Chapter 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Mangekyō Sharingan wielder	16	Clarifies the two Mangekyō dōjutsu, Yomi Higan and Karma Cycle, after recovering from battle.
Medical Ninjutsu mastery	56	Completes a mission that grants Medical Ninjutsu mastery; uses the Mystical Palm Technique to treat Yakushi Nonō.
Susanoo unlocked	77	Completes forbidden-technique and Fire Release training, unlocks Susanoo, and suppresses the Nine-Tails with his Mangekyō Sharingan.
Eternal Mangekyō / expanded Kekkei Genkai	260	His recorded abilities include Eternal Mangekyō Sharingan, Indra’s Chakra, Uzumaki bloodline, Senju physique, and multiple elemental bloodlines.
Rinnegan wielder	280	Recorded as possessing the Rinnegan and its techniques, including Almighty Push, Banshō Ten’in, Chibaku Tensei, Chakra Devour, and Fleeting Bloom.
Sage Jutsu practitioner	307–308	Condenses Sage Chakra on his first attempt in Shikkotsu Forest, then learns to integrate it into ninjutsu over ten days.
Dual Kamui and All-Killing Ash Bones	330, 354	Gains All-Killing Ash Bones and Kamui’s phasing ability through a lottery; later records list dual Kamui.
Great Yaoguai	474, 477	Defeats the Golden Lion King and Silver Feather Princess, earns appointment as the Dog Demon Clan’s fourth-ranked elder, and is subsequently recognized as a newly advanced Great Yaoguai.
Momoshiki Chakra absorption	466	Refines and absorbs Ōtsutsuki Momoshiki’s Chakra alongside Kaguya, enduring a dangerous backlash from Momoshiki’s remaining will.

Background

Medical Ninja Initiative and Second Shinobi World War

Chiyo first enters Konoha’s political sphere by supporting Tsunade’s proposal to establish a Medical Ninja system when the war council refuses to back her. He argues that medical personnel would reduce casualties and improve Konoha’s chances of victory 1.

Hiruzen Sarutobi approves Chiyo’s three-stage program of medical theory, practical treatment, and battlefield adaptation, placing him alongside Tsunade in charge of implementation 7. Chiyo helps organize the selection examinations, coordinates Uchiha participation, and improves the clan’s public image through cooperative conduct 9.

During the war, he trains Yahiko, Konan, and Nagato in chakra control, taijutsu, and basic shurikenjutsu while sheltering them in Amegakure 16. He later fights on the Sunagakure front, where Yomi Higan destroys Ebizō and large numbers of Sand shinobi, while Karma Cycle redirects a lethal poison cloud away from Tsunade and into enemy forces 19.

Uchiha Clan Head

After the war, Chiyo returns to Konoha and accepts the position of Uchiha Clan Head. He frames war and sacrifice through a forest-fire metaphor that impresses Hiruzen, who compares him to Kagami Uchiha 36.

As clan head, he arrests Elder Uchiha Sanma for colluding with foreign enemies, embezzling clan funds, and endangering Konoha. He presents evidence to the elders and begins reorganizing the Guard Unit around stricter discipline 43.

Fourth Hokage and Federation Leader

Chiyo is elected Fourth Hokage after receiving broad support from Konoha’s clans and villagers. Minato Namikaze withdraws his own candidacy and endorses him; Chiyo immediately neutralizes an assassination attempt with Susanoo during the ceremony 255.

As Hokage, he expands Konoha’s military, medical, intelligence, and research capacities while pursuing the Ninja Federation. He delegates routine administration to the Standing Council, allowing him to focus on threats involving Nature Energy, the Ōtsutsuki, and the Era Tree 389.

Era Tree and Demon Realm

After using the Era Tree and the Demonic Blade to open an interworld passage, Chiyo is separated by space-time turbulence and enters the Demon Realm 469. The Dog Demon Clan recognizes his exceptional royal bloodline and grants him shelter in the Western Country 471.

His victories over powerful Yaoguai earn him promotion to fourth-ranked elder of the Dog Demon Clan 474. He later delegates the Western Country’s leadership to Toga and an old fox demon before departing incognito on further business 671.

Five years later from the Demon Realm’s perspective, Chiyo returns to the Ninja World, where only a few days have passed. He reunites with Kaguya and chooses to observe Konoha’s changes before revealing himself publicly 713.

Appearance

In his later years, Chiyo is depicted with long white hair and an imposing, restrained presence. As Hokage, he commonly wears dark robes; in the Demon Realm and modern era, he also adopts simpler pale-gray or light-colored clothing 375 667 692.

• Crimson Mangekyō Sharingan with a six-petaled Manjushage-like pattern 19.
• Purple Rinnegan when using higher-level dōjutsu 375.
• Blue-white markings along his cheeks while using Sage Jutsu 308.
• Dark Hokage robes during his leadership of Konoha and the Federation 375 384.
• Carries an aura recognized by Dog Demons as exceptionally pure royal blood 471.

Personality

Chiyo is strategic, pragmatic, and unusually willing to shoulder responsibility. His support for Tsunade’s medical-system proposal, acceptance of the Uchiha leadership, and later construction of the Ninja Federation all stem from his belief that Konoha must become strong enough to protect its people 1 36 384.

He is not purely conciliatory. Chiyo removes corrupt clan leadership, manipulates hostile villages into conflict when it benefits Konoha, and answers Sunagakure’s silence with the declaration that it constitutes war 43 180 212.

Despite this severity, he consistently invests in younger people. He mentors Yahiko, Konan, Nagato, Shisui, Kushina, Kabuto, and others, and stresses that a ninja’s purpose is to protect rather than merely gain power 16 123 175 365.

Abilities & Skills

Mangekyō Sharingan

Chiyo’s Mangekyō Sharingan is his original defining power. Its use causes severe ocular strain and bleeding, though Medical Ninjutsu can mitigate the damage 19 20 56.

• Yomi Higan — Creates a domain-like effect that extracts life force from targets within range, causing rapid death 16 19.
  • Can transfer extracted life force to others to extend life.
  • Can revive a person who has died within the previous day.
  • Resurrection has a one-month cooldown period 16.
• Karma Cycle — Establishes a genjutsu-based domain that transfers incoming attacks to the attacker or another target 16.
  • Can redirect ninjutsu, taijutsu, genjutsu, Kekkei Genkai, Kekkei Tōta, and other released attacks.
  • Redirected Ebizō’s poison cloud into Sunagakure’s forces 19.
• Amaterasu — Black flames described as an ultimate Mangekyō physical attack; later integrated with Sage Chakra and Kagutsuchi 175 453.
• Tsukuyomi, Kotoamatsukami, Kamui, and Kagutsuchi-no-@@REF_ENTITY_8400569@@ — Recorded among his Mangekyō techniques 260 280 328.
  • Kamui grants phasing and spatial manipulation; Chiyo later possesses dual Kamui 330 354.

Susanoo

Chiyo unlocks Susanoo after completing his dōjutsu training 77.

• Its skeletal form withstands Earth Release and Explosion Release assaults without visible damage 180.
• He deploys it to annihilate Iwagakure raiders threatening Konoha’s medical forces 202.
• Uses it to neutralize an assassination attempt during his Hokage inauguration 255.
• A single Susanoo strike creates a massive chasm as a warning to nations resisting the Ninja Federation 384.

Rinnegan

Chiyo’s Rinnegan grants him high-level gravitational, sealing, spiritual, and chakra-based techniques 280.

• Recorded techniques — Almighty Push, Super Almighty Push, Banshō Ten’in, Chibaku Tensei, Impure World Reincarnation, and Chakra Devour 280.
• Fleeting Bloom — His Rinnegan-exclusive Divine Technique 280.
  • Reverses Momoshiki’s Bind Jutsu and turns it back against him 455.
  • Restores Kanade Hime’s damaged Spiritual Power and removes the irreversible mark left by her soul-burning technique; Chiyo describes the effect as rewriting reality 542.
• Uses the Rinnegan to defeat Aoba Ōtsutsuki with overwhelming ease 347.

Sage Jutsu

Chiyo trains at Shikkotsu Forest rather than relying solely on his system-granted abilities 306.

• Condenses Sage Chakra on his first attempt 307.
• Integrates Nature Energy into conventional ninjutsu, creating attacks with greater heat, adhesion, penetration, and effectiveness against chakra defenses 308.
• Uses Sage Art: Fire Release: Great Fire Annihilation during a spar with Tsunade 308.
• Combines Sage Chakra with Amaterasu-based techniques against Momoshiki 453.
• Serves as Kushina’s Sage Jutsu instructor and teaches her to accept and guide Nature Energy rather than forcibly dominate it 425.

Medical Ninjutsu and Sealing

Chiyo is a Medical Ninjutsu master and one of Konoha’s main advocates for making battlefield medicine practical and scalable 7 56.

• Uses the Mystical Palm Technique to heal injuries 56.
• Trains Medical Ninja in antidote preparation, stressing accuracy and speed 23.
• Helps Tsunade refine concepts behind the Hundred Healings Jutsu and Creation Rebirth, including simplified one-use variants intended to save more frontline lives 304.
• Uses advanced sealing techniques against Mukade and the Dragon Vein 133.
• Seals the Six-Tails with Adamantine Sealing Chains 373.

Elemental and Bloodline Techniques

Chiyo possesses an exceptional collection of chakra natures, bloodlines, and secret arts.

• Fire Release — Great Fireball Technique, Great Fire Dragon Technique, and Great Fire Annihilation 56.
• Lava Release — Forms and extends a solid Lava Release blade capable of cutting through puppet formations 133.
• Nether Release — Absorbs released ninjutsu and converts it into stored chakra 260.
• Other recorded releases — Storm, Ice, Melt, Steel, Boil, Dust, Crystal, Magnet, and Explosion Release 260 306 354 387.
• Other recorded skills — Izanagi, Izanami, Hydrification Technique, Mind Transfer Puppet Curse Seal Technique, Paper Style Jutsu, Shadow Clone Technique, genjutsu mastery, kenjutsu mastery, and high-speed Body Flicker 280 328 354.

Dog Demon Power

After entering the Demon Realm, Chiyo is acknowledged as having pure Dog Demon royal blood 471.

• Advances to Great Yaoguai level and defeats other Great Yaoguai 474 477.
• Is entrusted with command of the Dog Demon Clan’s western front during a major invasion 480.
• His strength earns him authority over King-level Great Demons, including the Four Battle Gods 542.

Equipment / Weapons / Items

• Demonic Blade — An otherworldly weapon used against Momoshiki and to resonate with the Era Tree’s interworld passage 455 469.
• Kagami Robe — A protective robe Chiyo lends Tsunade during their investigation of the Three-Phase Seal 274.
• Chiri Uchiha’s forbidden-technique scroll — Entrusted to Chiyo by Sōsuke Uchiha, containing forbidden techniques and Chiri’s lifetime knowledge 76.
• Origin Chakra — Given to him by Kaguya before his Era Tree journey 469.
• Storage scroll — Prepared with Soldier Pills, water, medical supplies, ninja tools, intelligence, and maps for interworld travel 469.

Relationships

• Tsunade — Ally in establishing Konoha’s Medical Ninja system, wartime partner, and romantic partner. She repeatedly treats his ocular strain and supports his Sage Jutsu training 1 20 306 308.
• Mikoto Uchiha — Partner, trusted political aide, and mother of Chiyo’s daughter Chiemi. She manages Guard Unit responsibilities during his absence 143 330.
• Ōtsutsuki Kaguya — Revived through a ritual Chiyo prepares with Black Zetsu; becomes his close partner and protector of Konoha 375 384 468.
• Yakushi Nonō — Romantic partner and director of the Konoha Orphanage. Chiyo regularly supports her work and shows concern for her health and the children under her care 56 176 228.
• Yakushi Kabuto — Disciple candidate whom Chiyo seeks out due to Kabuto’s talent and diligence; Chiyo later encourages his studies at the orphanage 175 228.
• Kushina Uzumaki — Student and close companion. Chiyo guides her Nine-Tails Chakra control and Sage Jutsu training 128 425 426.
• Yahiko, Konan, and Nagato — Early students in Amegakure. Chiyo teaches and shelters them, then later advises them to replace direct resistance with strategic maneuvering 16 35 175.
• Shisui Uchiha — Student trained by Chiyo in Fire Release, physical conditioning, and battlefield awareness 123 180.
• Hatake Sakumo — Military ally who respects Chiyo’s judgment and works with him during multiple wars and crises 23 93 152.
• Pakura — Initially an enemy shinobi; Chiyo exposes Sunagakure’s plan to sacrifice her, saves her from Kirigakure’s ambush, and convinces her to leave Sunagakure 198 199.
• Princess Lingyue — Dog Demon Clan collaborator who provides intelligence, political support, and protective items during the Western Country conflict 472 480.
• Toga — Powerful Dog Demon ally entrusted with leadership of the Western Country during Chiyo’s “seclusion” 671.
• Mirai and Chiemi Uchiha — Chiyo’s daughters. He raises them with Mikoto and entrusts Konoha’s future to them before traveling through the Era Tree 330 414 468.
• Kagome Higurashi — Companion from the Demon Realm and modern era; Chiyo supports her through her connection to Kikyo and later returns to the Ninja World after leaving Kagome and his Demon Realm family behind temporarily 699 713.

Major Arcs

Reforming Konoha

• Supports Tsunade’s Medical Ninja proposal and co-develops its training structure 1 7.
• Implements the first selection process and works with clans to supply the program 9.
• Reforms the Uchiha Guard Unit after becoming clan head 36 43.
• Wins the Fourth Hokage election and begins consolidating Konoha’s institutions 255.

Wars Against the Great Villages

• Defends Konoha’s medical units against Sunagakure puppet forces 19 24.
• Captures elite Sunagakure puppet masters Chiyo Yang and Chiyo Liu with Tsunade 24.
• Uses battlefield manipulation to create hostility between Iwagakure and Kumogakure 180.
• Leads Konoha’s response when Sunagakure and Kirigakure ignore his ultimatum 212.

Ōtsutsuki and Federation Conflict

• Defeats Aoba Ōtsutsuki and classifies the Era Tree as a top-secret interworld threat 347.
• Revives Kaguya with Black Zetsu through a ritual involving the Ten-Tails, Tenseigan energy, and the Demonic Blade 375.
• Forces resistant nations toward the Ninja Federation by demonstrating Susanoo’s terrain-altering destructive power 384.
• Defeats Momoshiki alongside Kaguya and absorbs Momoshiki’s Chakra afterward 455 466.

Demon Realm Journey

• Travels through the Era Tree and is stranded in the Demon Realm after space-time turbulence collapses his passage 469.
• Gains standing in the Dog Demon Clan, rises to Great Yaoguai, and becomes an elder 471 474 477.
• Defeats the Flying Moth Demon True Body and disrupts Mano’s Emperor-level ritual 484.
• Returns to the Ninja World after five Demon Realm years have passed 713.

Notable Quotes

“I am the manners!” 43

“Silence means war.” 212

“I can't rely solely on the system.” 306

“Ninjas must not only protect the present but also pave the way for the future.” 468

Trivia

• Chiyo’s name is shared with Chiyo of Sunagakure, the elderly Puppet Master and Sasori’s grandmother; they are separate characters 32 150 151.
• His earliest recorded system status lists 20 units of chakra, Mangekyō Sharingan, Ice Release, and a 78% Susanoo dōjutsu-forging progress 56.
• Chiyo is shown to enjoy cooking, including preparing breakfast for Yakushi Nonō and later maintaining a domestic routine in the Demon Realm 56 667.
• In the modern era, he adapts to contemporary life without apparent culture shock and can read manga with Kagome’s family 690 693.