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ミズキ Mizuki
Manga Volume #1, Chapter #1
Anime Naruto Episode #1
Game Naruto: Shinobi no Sato no Jintori Kassen
Appears in Anime, Manga, Game
Voice Actors
Birthdate Astrological Sign Libra October 21
Gender Gender Male Male
  • Part I: 27
  • Part I: 179.4 cm1.794 m
    5.886 ft
    70.63 in
  • Part I: 69.4 kg153.001 lb
Blood type AB
  • Academy Instructor (former)
Ninja Rank
Ninja Registration 011141
Nature Type


Mizuki (ミズキ, Mizuki) is a chūnin of Konohagakure and a former instructor at the Academy.


Young Mizuki

Mizuki as a child.

As revealed in the anime, Mizuki was originally a childhood friend to Iruka Umino and stood up for him until he was overwhelmed by sheer jealous rage when Iruka was getting better treatment by everyone else. Despite his new-found hatred towards Iruka, Mizuki pretended to be his friend to be noticed and to discreetly keep Iruka miserable. Despite obtaining the rank of chūnin, being initially turned down from a position as an Academy instructor for being suspected of killing a team-mate on a previous mission (which he did, as he believed said team-mate would hinder the mission's success due to a leg injury), caused Mizuki to despise Konohagakure even though he eventually got the job. Orochimaru witnessed this transgression, and after praising him for taking such bold actions, gave him a specialised cursed seal. This meeting, coupled with feeling unappreciated due to initially being denied the position of Academy instructor, made Mizuki decide he would do whatever it took to rise to power and glory, even becoming a secret follower of Orochimaru.

In the anime, Mizuki was the fiancé of Tsubaki, who saw him as a sweet man. However, after his involvement with Orochimaru, their relationship faltered. He expressed to her prejudiced views on how Naruto Uzumaki is an evil individual, and revealed to her of his plan to steal the Scroll of Seals to present to Orochimaru, the latter information she withheld from the village, hoping Mizuki would come to his sense.


Originally, Mizuki appeared to be very polite and kind-hearted, and was described to be a sweet man by his former fiancée, Tsubaki. In reality, he does not care for anything or anyone beyond his own rise in power. He takes pride in the fact that he is not bound by things like morals or teamwork, and is willing to sacrifice whatever he has to in order to complete his goals. His desire for power seems to come from what appears to be an inferiority complex, as he cannot stand having anyone look down on him. Although Tsubaki claimed that Mizuki was a sweet man before meeting Orochimaru, even that was a façade as he already showcased his underhanded and ruthless methods since childhood, having a manipulated friendship with Iruka for his own benefits, and later murdering a comrade who suffered a minor injury, justifying his actions by claiming he is merely eliminating any potential hindrances for the mission's smooth success. Mizuki's defining characteristics are being greatly ambitious and dishonourable.[1]

Mizuki's craving for power and acknowledgement led him to hate Iruka for gaining more attention than him, and pretended to be Iruka's friend in order to live off of that attention, as well as discreetly inflict misery on Iruka. Because of this, during their second confrontation, Mizuki constantly mocked Iruka while refusing to surrender and repent no matter how many times Iruka tried to convince him to. Due to his disregard for comradeship and friendship, Mizuki detests the Will of Fire, insulting it when Iruka tried to encourage Mizuki to look back into it. In what is perhaps an attempt to make him even more of an antithesis to Naruto, Mizuki's least favourite food is ramen, which happens to be Naruto's favourite. Mizuki also has a particular hatred for Naruto, seeing him only as the Nine-Tailed Demon Fox. His avarice even drove him to ignore Tsubaki's love, having no more feelings for her himself, as he took advantage of her lingering affections for him and used her to benefit himself, and then attacking her when she begged him to stop, even physically tossing her aside later on. Upon discovering that Naruto gained acknowledgement after risking his life to defend the village, Mizuki grew angrier than ever at him, refusing to accept the boy's heroism, and instead accused the villagers of being easily excited.

When Mizuki overheard the Third Hokage and the examination committee suspecting his field of conduct as a reason for not promoting him, he felt that they wronged him for accomplishing a mission at all cost, and developed a grudge against the village for feeling they neither appreciate nor understand his powers and efforts. He reached his tipping point of betraying the village when Orochimaru praised his actions and gave him a cursed seal; Mizuki came to the delusion that Orochimaru truly acknowledged his potential, and hold the renegade to high regard. Mizuki believed if he went to Orochimaru, he would be granted even more power, and attempted to steal the Scroll of Seals as a means to please him.


Mizuki has white shoulder-length hair with a slight hint of blue to it and green eyes. He wore the standard attire of the Konoha-nin before his defection, which included flak jacket and forehead protector that he wore like a bandanna. After his time in prison in the anime, he became much more muscular and well-defined in build to the point Naruto didn't recognise him at first. The clothing changed into an opened black vest, tight black pants, and a dark brown belt which had a silver rectangular belt buckle. His cursed seal which took the form of tiger-like stripes also gave him a more feral look. After the failure of a cursed seal backfired on him, Mizuki shrivelled up into a frail and decrepit old man, his skin darkened brown and his skin heavily wrinkled. After Tsunade stabilised his deterioration, she managed to restore even his appearance to his original form, before his time in prison.


Originally, not much of Mizuki's skill was seen beyond proficiently wielding large shuriken, either as melee weapons or by throwing them.

Later, in the anime, where he was revealed to have always been considered a very clever and talented ninja with a knack for learning advanced techniques. In truth, the reason he had never advanced beyond chūnin was because there were suspicions on his conduct while in the field. He managed to teach himself various techniques and creatively coordinated them together to corner his opponents. He was also shown to be a very cunning manipulator from how he so easily deceived Naruto and then later the Legendary Stupid Brothers (although both cases were not too difficult, as Naruto was considered to be a little naive and emotionally desperate at the time, while the Legendary Stupid Brothers were simply immensely unintelligent).

After Mizuki's life in prison, his prowess increased considerably. With the Legendary Stupid Brothers backing him up, he was strong enough to defeat a jōnin such as Shizune and her entire team. He had obtained an extreme amount of physical strength, able to almost easily overwhelm Iruka in their initial clash with a single hand. During his battle with Iruka, he demonstrated a new mastery of a random assortment of techniques. While mostly improvised, he proved very capable of using them in creative combinations that Iruka just barely survived; Mizuki was able to use Earth Release, which allowed him to hide underground, and then cast an illusion to bind his targets, and control a simple puppet that wielded a sword to finish off the helpless target at a safe distance, all the while Mizuki keeping himself from being heard.

Animal Cursed Seal

Mizuki's Tiger Transformation

Mizuki's bipedal tiger transformation.

Orochimaru has granted Mizuki a special tattoo which was a prescription of a potion that initially transformed him into a muscle-bound behaemoth of himself, with tremendous raw speed and strength. It also allowed him to gain the appearance of a tiger-like being with even greater strength but with much weaker speed, but since the potion was incomplete, his body was eventually destroyed, turning him into a shrivelled up old man. Although Tsunade managed to save his life and stabilise his body, Mizuki lost all of his battle and physical prowess and was never able to become a ninja again.

Part I

Prologue — Land of Waves

Multiple Shadow Clone Technique

Naruto surrounding Mizuki with thousands of shadow clones.

At the series' start, playing on the youth's desire to graduate, Mizuki duped Naruto Uzumaki into stealing Konoha's Scroll of Seals for him. Originally, Mizuki had the plan set up to have Naruto as a scapegoat and kill him to hide the truth of his deception and secretly leave the village with the scroll in his possession. However, Mizuki's plan is derailed when Iruka found Naruto first and decided to reveal Naruto's identity as the Nine-Tails's jinchūriki to ensure he runs off disillusioned. However, overhearing Iruka standing up for him, Naruto comes to his teacher's aid and uses the Multiple Shadow Clone Technique he had learned from the scroll to beat Mizuki unconscious for harming Iruka.

Mizuki Tracking Mission

Mizuki after being in the prison

Mizuki after being in the prison.

In the manga, Mizuki claimed that he wanted the Scroll of Seals to gain infinite power for himself, and after his defeat, his fate remains unmentioned. However, the anime's filler arc showed that Mizuki intended to give the scroll to Orochimaru. Ending up at the Konoha Strict Correctional Facility after his defeat by Naruto, Mizuki bulked up by the time he stages a prison riot to escape from jail, intending to use the instructions given to him by Orochimaru to create a potion to increase his power and get his revenge on both Naruto and Iruka. Before that, he visited his lover, Tsubaki, who claimed that Mizuki used to be a sweet man, but that, ever since he got involved with Orochimaru, her relationship with Mizuki had faltered. After getting a change of clothes and food supply, Mizuki knocked out Tsubaki, whom he apparently did not love any more, when she pleaded him to stop this madness. Mizuki then confronted Iruka, and after besting him with a new arsenal of techniques, attacked a laboratory belonging to the Nara clan to find the ingredients to the potion. Upon gaining what he needed, he took the ingredients to a cave with the equipments inside a secret room to brew the potion.

Animal Cursed Seal Side Effects

Mizuki succumbs to the side effects of the incomplete potion.

After consuming the potion, Mizuki obtained enhanced strength and power, stripes along his body, and enlarged arms. Later, as he added extract of a tiger into the potion, Mizuki assumed a tiger-like appearance but decreased his speed as Naruto managed to defeat him with the Rasengan. By that time, the flawed side effects of the Animal Curse Seal take effect with the defeated Mizuki reduced to a frail old man. Although his life was saved by Tsunade as she stopped his body from breaking down any further, and even restored his form to before his incarceration, having no information on Orochimaru's whereabouts while being interrogated, Mizuki loses his ability to ninjutsu for what is later revealed to be have been a failed experiment of Orochimaru's.

In Other Media

Video Games

Mizuki is a playable character in the following video games:

Game name Japanese release English release
Naruto: Clash of Ninja 2 4 December 2003 26 September 2006
Naruto: Gekitō Ninja Taisen! 3 20 November 2004
Naruto: Gekitō Ninja Taisen! 4 21 November 2005
Naruto: Shinobi no Sato no Jintori Kassen 26 June 2003


  • Mizuki's name means "cornel", a variety of the dogwood shrub.
  • According to the first databook:
    • His favourite food is chirashizushi while his least favourite food is ramen.
    • His favourite phrase is "Positive thinking" (ポジティブ・シンキング, pojitibu shinkingu).
  • His dislike of ramen is likely a metaphor for his dislike of Naruto and Iruka.
  • Mizuki's prisoner number is 99.[2]


  1. 1.0 1.1 First Databook, page 121
  2. Episode 142
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