Suikazan Fuguki

Biodata

Feature	Details
Name	Suikazan Fuguki (西瓜山河豚鬼)
Alias(es)	Leader of the Seven Ninja Swordsmen; Fourth Mizukage
Species/Race	Human
Gender	Male
Affiliation	Kirigakure; formerly maintained secret contact with Konoha; later operates under Vegapunk's control 27 32
Occupation/Role	Jonin; leader and last elder of the Seven Ninja Swordsmen; Fourth Mizukage of Kirigakure 27 29 41
Status	Active 136
First Appearance	27

Power Progression

Stage / Realm / Level	Chapter	Notes
Elite Jonin / Seven Ninja Swordsmen elder	29	Regarded as one of the strongest Elite Jonin, below Kage-level fighters; could normally contend with multiple Special Jonin even without Samehada.
Whale-modified body	32	Vegapunk implants a Quantum Brain Interface and injects Gene Modification Fluid derived from a wild Summoning Beast, greatly enlarging Fuguki's body and improving his physical strength and Chakra reserves.
Transformed anti-Tailed Beast combatant	40	His modified transformation grants near-tailed-beast Chakra reserves, giant-summon-level physical power, and enhanced bodily control; he directly battles and gains the upper hand against the Three-Tails.

Background / History

Suikazan Fuguki was a prominent Kirigakure ninja, the leader of the Seven Ninja Swordsmen and their last remaining elder. Before the Sea Country mission, he had secretly maintained contact with Konoha as a collaborator, having concluded that Kirigakure's fractured leadership and regressive policies required him to secure an alternative path for himself. 27

He was also deeply affected by a past defeat at the hands of Might Duy. The loss shattered the psychological confidence he had held as one of the Seven Ninja Swordsmen and contributed to his decision to betray Kirigakure's interests. 30

During a reconnaissance operation against the Sea Ninja Village, Fuguki nominally commanded a force including Momochi Zabuza, Hoshigaki Kisame, and two dozen Chunin. Zabuza refused to follow his lead, while Fuguki dismissed his own subordinates and slipped away using the Transformation Technique to pursue his private contact. 27

Appearance

Before modification, Fuguki is a plump man standing over two meters tall. Vegapunk's whale-based modification drastically alters his body: his default modified form grows to roughly four or five meters, while his full combat transformation reaches nearly ten meters. 29 32 40

• Broad, square-headed physique with a wide mouth and blue-gray to silver-gray skin after modification. 32 40
• Orange hair, sharp fangs, a white belly, and enlarged nostrils in his transformed state. 40
• Originally carried the massive, spiked living sword Samehada on his back. 27
• Later uses an Imitation Samehada during his attack on Karatachi Yagura. 39

Personality

Fuguki is cautious, calculating, and highly aware of the value of intelligence. His immediate reaction to Orochimaru's unexpected appearance is to test the situation and escape rather than risk fighting an opponent whose strength he considers Kage-comparable. 27

Despite this caution, he is ambitious and ruthless. He believes Kirigakure's leadership is ultimately determined by strength, and he seriously considers Vegapunk's offer to help him seize the Mizukage position. 31 He is also determined under pressure; while poisoned, surrounded, and deprived of Samehada's Chakra absorption, he abandons escape and chooses to fight through Orochimaru's modified ninja. 29

After receiving Vegapunk's Quantum Brain Interface, Fuguki's personality and abilities remain outwardly intact, but his mindset is forcibly altered into unconditional loyalty to Vegapunk. The interface also removes his capacity for innovation and inspiration. 32

Abilities & Skills

Water Release

Fuguki is a Water Style specialist whose combat approach benefits greatly from proximity to rivers and the sea.

• Uses Water Release: Water Dragon Bullet Technique to disturb an apparently calm river and expose an ambushing shark-human ninja. 28
• Attempts to use waterways as an escape route, though animal-modified opponents capable of underwater combat negate this advantage. 28
• His Water Release was identified as one of his principal specialties alongside Samehada and his Yang Release hair techniques. 30

Water Clone Technique

Fuguki possesses an improved Water Clone technique capable of deceiving even Orochimaru.

• Creates a Water Clone that passes through Orochimaru's sealing array before dissolving into boiling water. 27
• The clone is difficult to distinguish from his true body. 27
• Water Clones cannot synchronously return memories like Shadow Clones and must remain relatively close to their user, limiting their scouting value. 28

Samehada and Swordsmanship

Fuguki was the wielder of Samehada, a sentient, spiked sword capable of absorbing Chakra and ninjutsu.

• Channels his Chakra into Samehada to make its body expand and increase its offensive power. 28
• Uses Samehada primarily to drain an opponent's Chakra, though its effectiveness falls sharply against purely physical attacks. 28
• Continues using the weapon as a heavy spiked club after its Chakra absorption is neutralized by unusual Chakra from a snake-human hybrid. 29
• Loses Samehada following his defeat and capture by Vegapunk and Orochimaru. 30 37

Yang Release Hair Ninjutsu

Fuguki can extend and manipulate his hair as a weapon.

• Sends his hair toward Vegapunk like tentacles after being healed from his injuries. 31
• The attack is interrupted when Nanobots hidden in his healing agent incapacitate him. 31
• His hair techniques are described as being powered by Yang Release. 30

Blood Armor Secret Technique

Fuguki developed a dangerous burst technique that combines his blood and Chakra into an armor-like layer.

• Forms bloody armor that blocks several attacks from Orochimaru's animal-modified ninja. 29
• Emits bloody energy that substantially improves his speed and strength. 29
• The technique consumes both Chakra and blood, rapidly leaving him pale and exhausted. 29
• Its combat effect is compared to opening three or four of the Eight Gates, while its side effects are considered closer to opening seven. 30
• It was intended to be paired with Samehada, whose Chakra absorption could heal Fuguki and mitigate the technique's backlash. 30

Whale Modification and Quantum Brain Augmentation

Vegapunk modifies Fuguki for infiltration and combat.

• A Quantum Brain Interface allows Vegapunk to directly control Fuguki while preserving his memories, personality, intelligence, and combat abilities. 32
• Whale-derived Gene Modification Fluid greatly enhances his physical strength and Chakra reserves. 32
• In transformed form, his Chakra reserves rise close to Tailed Beast levels and his physical strength rivals that of giant Summoning Beasts. 40
• A Quantum Brain Receiver accelerates his mental processing and gives him micro-level control over his body and Chakra, allowing him to draw out two to three times his ordinary strength. 40
• His modified power is subject to a lack of learned techniques; he has not yet had time to exploit the interface's potential for mastering Kirigakure's secret arts. 40

Equipment / Weapons / Items

• Samehada — Fuguki's original sentient Chakra-absorbing sword; captured by Vegapunk after Fuguki's defeat. 28 30
• Imitation Samehada — Used to strike Karatachi Yagura in the Mizukage's office. 39
• Quantum Brain Interface — Surgically implanted control device connecting Fuguki to Vegapunk's Quantum Brain. 32

Relationships

• Vegapunk — Captor, modifier, and controller. Vegapunk heals Fuguki, implants Nanobots in him, then installs a Quantum Brain Interface to turn him into an unconditionally loyal subordinate. 31 32
• Orochimaru — Former secret contact and later adversary. Orochimaru lures Fuguki into an ambush, deploys modified ninja against him, and assists Vegapunk's modification procedure. 27 29 32
• Hoshigaki Kisame — Direct subordinate and confidant. Kisame respects Fuguki, worries over his capture, and is later placed in the Kage Guard under Fuguki's administration. 27 33 42
• Momochi Zabuza — Fellow Jonin assigned to the Sea Country reconnaissance mission; Zabuza declines to follow Fuguki's command and acts independently. 27
• Karatachi Yagura — Former Mizukage. Fuguki attacks him with an Imitation Samehada, helps contain the Three-Tails after Yagura's Genjutsu is exposed, and is subsequently appointed Yagura's successor. 39 41
• Mei Terumi and Ao — Kirigakure officers who witness Fuguki's modified transformation and later serve within the reorganized village leadership. 40 42

Story Role / Major Arcs

Sea Country Reconnaissance and Capture

Fuguki leads Kirigakure's response to the Sea Ninja Village but abandons the main operation to meet Orochimaru privately. Orochimaru ambushes him with sealing techniques and animal-modified ninja, forcing Fuguki into a prolonged battle while poisoned and deprived of Samehada's main ability. Fuguki is eventually captured after his Blood Armor technique exhausts him. 27 29 30

Modification and Infiltration of Kirigakure

Vegapunk heals Fuguki, disables his attempted retaliation with Nanobots, and tempts him with the Mizukage position. Fuguki is subsequently fitted with a Quantum Brain Interface and whale-derived enhancements, becoming Vegapunk's controlled infiltrator. 31 32

He returns to his subordinates appearing injured and without Samehada, then escorts Vegapunk and Hancock into Kirigakure using his authority as a high-ranking Mist ninja. 37 38

Mizukage Succession

Fuguki attacks Karatachi Yagura in the Mizukage's office with an Imitation Samehada. Yagura releases the Three-Tails, but Fuguki's modified transformation allows him to physically overpower the Tailed Beast long enough for Yagura to regain consciousness and break free of the Genjutsu controlling him. 39 40 41

Yagura publicly thanks Fuguki for saving both him and Kirigakure, then steps down. Fuguki is appointed as the Fourth Mizukage. 41

Kirigakure Reforms

As Mizukage, Fuguki begins gradually dismantling the Bloody Mist Policy. He eases tensions with bloodline clans, successfully brings the Hozuki Clan back into the village, reorganizes the upper echelon, and elevates Kisame into the Kage Guard. 42

He also announces a possible merger between Kirigakure and the Sea Ninja Village, using Vegapunk's enhanced young ninja as proof of the Sea Ninja Village's military value. 44

Tailed Beast Summit

Fuguki later appears alongside Kazekage Pakura during discussions over Nagato's seizure of several Tailed Beasts. When questioned about the matter, he avoids answering while Pakura attributes the beasts' removal to Vegapunk's research. 136