Iruka Umino

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Iruka Umino

Old Iruka

うみのイルカ Umino Iruka
Manga Volume #1, Chapter #1
Anime Naruto Episode #1
Novel Konoha Hiden: The Perfect Day for a Wedding
Movie Naruto the Movie: Ninja Clash in the Land of Snow
Game Naruto: Clash of Ninja
OVA Naruto Shippūden: UNSG anime cutscenes
Appears in Anime, Manga, Novel, Game, Movie
Voice Actors
Birthdate Astrological Sign Gemini May 26
Gender Gender Male Male
  • Part I: 23
  • Part II: 26-27
  • Part I: 178 cm1.78 m
    5.84 ft
    70.079 in
  • Part I: 66.2 kg145.946 lb
Blood type O
  • Academy Teacher
Ninja Rank
Ninja Registration 011850
Academy Grad. Age 11
Chūnin Prom. Age 16
Nature Type

Iruka Umino (うみのイルカ, Umino Iruka) is a chūnin-level shinobi of Konohagakure who serves primarily as an instructor at the Academy.


File:Iruka's Mother.png

Iruka's parents were killed in the Nine-Tails' Attack on Konoha twelve years before the beginning of the series. Initially, a young Iruka was present on the battlefield, and wanted to stay in order to protect his mother. His father declared that it was the parents' duty to keep their child safe from harm. He was forcibly removed from the battlefield by an unknown shinobi.[4]

With his family gone, Iruka had no one to give him attention. Iruka thereafter became a prankster much like Naruto would later become, trying to gain attention to stave off his loneliness.[5] He would spend his time at the monument where his parents' names were engraved, and, in his darkest moments would be cheered up by the Third Hokage.[6] Mizuki was a childhood friend of Iruka's after the Nine-Tails Attack, and usually made him feel better. In the anime, it was noted that due to other people giving Iruka more attention than they do to Mizuki, Mizuki's kindness to Iruka revealed to be an act just to gain the Hokage's approval, all the while making Iruka miserable discreetly.

File:Iruka's Ordeal.jpg

In the anime, it was revealed that Iruka became a teacher because he wanted to pass on the Will of Fire to the next generation in this manner, inspired by the Third Hokage's wisdom. When Naruto became his student, he found it awkward to deal with the person containing the very monster responsible for his parents' death. He tried to ask the Third Hokage if he could not teach Naruto, though he was eventually disabused by the notion by Kakashi Hatake. Later, Naruto went into the woods to steal items from corpses. Iruka chased him down and protected him from Takigakure spies who were attacking Naruto, eventually backed up by Kakashi. After saving Naruto and bringing back the document attached to the artefact the latter retrieved, he thanked the Third for assigning Naruto to him. He thus resolved to be straight forward and deal with Naruto strictly in class from then on, in order to train him to become a fine shinobi.[7]


Iruka is described as being both big-hearted, and soft-hearted. This is seen most often seen through his teaching methods often giving a watchful eye over his students as they progress. This however, does not mean that he is a pushover, as he can be stern when the situation calls for it most often seen when he shouts at his students in order to get them to obey him. Despite the tragedy of losing his parents at a young age, Iruka remained a determined and strong-willed individual with a kind disposition. This is seen from his lack of hostility towards Naruto Uzumaki who was often the victim of misplaced anger at the Nine-Tailed Demon Fox who was sealed within Naruto.

As a child growing up without his parents, Iruka turned to performing antics in the Academy in order to gain recognition from others who would otherwise pass him over or look at him with pity for being an orphan. This allowed him to also see some of these signs and understand what they meant when displayed by Naruto. Due to Iruka's more nurturing and compassionate nature, Naruto views him as a mentor and Iruka in turn, views Naruto as a younger brother. The two enjoy their favourite ramen dish at Ramen Ichiraku whenever Naruto returns from a mission, where Iruka gets an opportunity to see how Naruto is developing as a ninja. Iruka's refusal to allow Naruto to graduate at first was not out of spite, but merely out of caring strictness and a desire for Naruto to work harder and reach his own potential.

He also has a great sense of duty, honour and selflessness as seen when he protected Naruto from Mizuki's attack, suffering a shuriken wound in his back in order to protect him. He greatly admires both the Third Hokage who was there to help him during his troubled period as a child and believes strongly in the Will of Fire of the village. As a result, he regards the children of the village as the backbone of Konoha — even being willing to sacrifice his own life to ensure their safety.


File:Iruka as young.JPG

Iruka is a man of average height and build. He has black hair (brown in the anime) that he keeps in a ponytail, dark eyes and a scar that runs across the bridge of his nose — which he has had since his youth. He wears the standard Konoha shinobi outfit complete with forehead protector, sandals, and flak jacket. His sleeves are also rolled up about ¼ way. As a child he wore a simple outfit along with mesh-armour underneath it.


As a head instructor of the Academy, he is clearly proficient in all forms of basic ninja skills. He has some ability with Barrier Ninjutsu, as he is seen creating a barrier in an attempt to restrain Naruto. Iruka is also very perceptive as he is able to assess situations carefully and quickly while under threat.

In the anime, Iruka's skills were expanded upon and it was shown that he had some knowledge of genjutsu, as demonstrated when he posed as an enemy Amegakure ninja to test Sakura,[8] and he also saw through the genjutsu cast by Mizuki.[9] During the Mizuki Strikes Back Arc, Iruka showed some skill in taijutsu as well, by keeping on equal footing with the now-improved Mizuki in his attacks. Iruka was also shown using Sealed Bomb Square Release, which consists of setting an array of exploding tags and, once the target has entered the area, setting the tags to detonate if the target moves.[10]

Also, in the anime, Iruka displayed what seems to be an echolocation ability where he can get a sonar image of his surrounding area, perhaps playing on the meaning of his name, "dolphin".[9]


Databook Ninjutsu Taijutsu Genjutsu Intelligence Strength Speed Stamina Hand seals Total
First 3 3 2.5 4 2.5 2.5 3 3.5 24
Second 3.5 3.5 2.5 4.5 2.5 2.5 3 4 26
Third 3.5 3.5 2.5 4.5 2.5 2.5 3 4 26

Part I

Introduction Arc

Iruka protects naruto

Iruka protects Naruto.

When Naruto was desecrating the Hokage Monument with graffiti, Iruka yelled at him to get down and tied him up, berating him to focus on the upcoming graduating exams. While Naruto was supposed to transform into Iruka, he instead turned into a naked girl, which caused Iruka's nose to explode with blood, and earned Naruto a reprimanding. Iruka then punished Naruto to clean the Hokage Monument, but then invited him to Ramen Ichiraku, where he learned of Naruto's desire to be Hokage.

Next day, when Naruto failed to perform three clones, Iruka failed him from graduating, ignoring Mizuki's false sympathetic request. Later, when Mizuki tricked Naruto into stealing the Scroll of Seals, Iruka came to his aid. Iruka protected Naruto from Mizuki's attacks and, after Naruto found out about the Nine-Tails within him, insisted that he didn't hate him. After the ordeal, he allowed Naruto to graduate from the Academy, due to the genin's newly acquired ability to create a high amount of advanced clones. From that point further, he makes sporadic appearances.

Chūnin Exam Arc

He voiced concern about Team 7 being entered in the Chūnin Exams, such that, in the anime, he personally tested each member individually to see if they were ready by disguising himself as a Amegakure ninja. Once they passed the exam's second phase, he acted as a messenger that granted them access to the preliminaries.

Invasion of Konoha Arc

During the invasion of Konoha, Iruka escorted his students to safety in the shelters behind the Hokage Monument- promising that he and the other instructors would protect them "even at the cost of our lives". He shared ominous looks with Konohamaru when the Third Hokage's representation cracked, and he comforted Konohamaru during the Third's funeral.

Search for Tsunade Arc

He met Naruto at their favourite Ramen Ichiraku to listen to Naruto talk about his adventure and later explained to Naruto that they have to do many missions to show other villages that they were still strong, even though their strength had been cut in half.

Mizuki Strikes Back Arc

Iruka battling Mizuki

Iruka battling a transformed Mizuki.

In the aftermath, Iruka was forced to suspend his teaching duties in order to go on missions and fill the void in personnel. In the anime, he was assisted by Pakkun to find Mizuki and go after Naruto and Tonton. When Iruka caught up, they send Tonton back to the village and Pakkun leads Naruto and Iruka to Shizune. Shizune led them in pursuing Mizuki, when they soon fell into a trap. Iruka then revealed that Shizune is not Shizune but Mizuki himself. While Naruto battles with Fūjin and Raijin, Iruka battles it out with Mizuki. Iruka wanted to bring the "old" Mizuki back, but Mizuki revealed that he was only nice to Iruka because he is the Third Hokage's favourite. Mizuki led Iruka into a building used to test Academy instructors and battled there. After that, Naruto and Pakkun caught up with Iruka and they went to Mizuki's lover, Tsubaki. Tsubaki helped them reach Mizuki but it was too late. Mizuki had drank a formula and became stronger and monstrous. They battled again with Mizuki having the upper edge. Iruka came up with a plan to trap Mizuki, giving Naruto a chance to use Rasengan on Mizuki.

Ultimate Weapon Arc

He later found time at the end of Part I to see Naruto off before he left the village to train with Jiraiya.

Part II

Kazekage Rescue Arc

Iruka met with Naruto when he returned two and a half years later, and cheered him up after he found out that all of his friends had advanced in rank during his absence.

Invasion of Pain Arc


Iruka comforting Naruto over Jiraiya's death.

After Jiraiya was killed, Iruka comforted Naruto, and told him that Jiraiya would always be proud of him. He went on to inform Naruto of how Jiraiya had always bragged about him, and had mentioned multiple times how he thought of Naruto as a grandson. Iruka also reminded him that he was now the one to carry on Jiraiya's legacy. During Pain's attack on Konoha, Iruka was found by one of Pain's bodies while attending to a wounded ninja. He refused to tell Pain where Naruto was, and was almost killed. Kakashi intervened, however, allowing Iruka a chance to get the ninja to the hospital and to later join a squad of Konoha ninja to help repel the invasion.

Following Pain's attack, Iruka was last seen apparently injured but alive, having been protected by one of Katsuyu's divisions. After Pain resurrected everyone he had killed, Iruka was seen standing along with the rest of the villagers. He thought back to the days when Naruto was at the Academy, and compared it to the present while watching Naruto being cheered at by the whole village. After these memories, a proud smile spread across his face.

Konoha History Arc

Main article: Konoha History Arc In the anime, Iruka was later seen meeting with his fellow teachers Suzume and Daikoku Funeno making preparations to salvage items for class. He sees the Academy and remembers being appointed by the Third Hokage to be Naruto's teacher.

Shinobi World War Arc

Iruka's Barrier Technique

Iruka attempts to prevent Naruto from leaving.

During the Fourth Shinobi World War, Naruto and Killer B, as the last two jinchūriki, were confined to an island to keep them out of Akatsuki's clutches, (Naruto being unaware of this, and the war). After Naruto began to get suspicious and tried to leave, a handful of shinobi tried to stop and convince him to go back in. Iruka was among them, and he convinced Shibi Aburame to let him talk to Naruto. Iruka attempted to trick Naruto into believing he had a second mission on the island. However, Naruto decided to go outside anyway and used Sage Mode to barge past the guards, in the process losing his forehead protector. Before he could leave, however, he was bound by the Shadow Imitation Technique by a Nara clan member, but not before he sensed the war raging outside.

With Naruto demanding the truth, Iruka revealed that there was a war raging in order to protect him, and tried to persuade him not to intervene and risk capture. When Naruto declared that he would end the war on his own, Iruka said that Naruto was like a little brother to him, and he wouldn't be able to bear it if Naruto was captured. Naruto stated that it was Iruka who first recognised him and gave him his forehead protector, and asked him why he doubted his power now.

Bee's Promise

Iruka bumps fists with B.

Glancing down at Naruto's fallen forehead protector, Iruka decided to return it to him, only to erect a barrier to trap Naruto. Naruto however enters his Nine-Tails Chakra Mode and easily breaks out of the barrier and resisted all attempts to subdue him, before making his way to the battlefield. On his way, Naruto found a note in his forehead protector, from Iruka, telling him to come back alive. When Killer B arrived, Iruka told him to protect Naruto and they bumped fists. The Eight-Tails told him that he couldn't keep an eye on Naruto but B said no one could, and said to Iruka that he was in Naruto's heart and everything he taught was still inside, even today.

Video Games

Iruka Umino is a playable character in the following video games:

Game name Japanese release English release
Naruto Shippūden: Ninja Destiny 2 24 April 2008 15 September 2009
Naruto Shippūden: Ninja Destiny 3 28 April 2009
Naruto Shippūden: Ultimate Ninja Storm 4 4 February 2016 9 February 2016
Naruto Shippūden: Ultimate Ninja Storm Revolution 11 September 2014 16 September 2014
Naruto: Clash of Ninja 11 April 2003 7 March 2006
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: Path of the Ninja 2 13 July 2006 14 October 2008
Naruto: Shinobi no Sato no Jintori Kassen 26 June 2003
Naruto: Ultimate Ninja 2 30 September 2004 12 June 2007


  • Despite having made very few appearances later on in the series, he has finished in the top five in every poll until the most recent poll.
  • Iruka was one of five characters that have stayed in the Top Ten of every Character Popularity Poll.
  • In the first databook, Iruka's age was given as 25. In the second, it was listed as 23.
  • The name "Umino Iruka" when broken down as "umi no iruka", means "sea dolphin".
  • According to the databook(s):
    • Iruka's hobby is going to the hot springs.
    • Iruka's favourite food is ramen from Ramen Ichiraku, with his least favourite being mazegohan (混ぜ御飯, blended rice); a type of takikomi gohan, but with the ingredients added in various stages while cooking.
    • Iruka wishes to fight Kurama[11] and his students.[2]
    • Iruka has completed 573 official missions in total: 288 D-rank, 183 C-rank, 90 B-rank, 12 A-rank, 0 S-rank.
    • Iruka's favourite word is "Reliance" (信頼, Shinrai).


  • (Regarding Naruto) "Yeah… the Demon Fox would [use the power of the Scroll to do whatever it wanted]… but Naruto is different. I've acknowledged him as… one of my excellent students. He may not be the hardest worker… and he is clumsy and no one accepts him… but he already knows what it is to feel pain inside your heart. He isn't the Demon Fox. He is a member of the Konohagakure. He's Naruto Uzumaki!"[12]
  • (To Naruto) "Master Jiraiya only had praise for you. He was always boasting about you, saying you were like his own grandchild. He had faith that you were the one who would inherit his will, and truly believed that you would one day be a great Hokage. Master Jiraiya will always watch over you. Even this very minute, he's watching from somewhere. He wouldn't be happy seeing you sad like this. So… Be your usual self, the one he praised so much. Don't stay depressed forever. For Master Jiraiya himself, one of the Legendary Sannin… acknowledged you as his promising student!"[13]
  • (To Naruto) "Stop acting like a baby! You want to know what I really think of you?! I think you're one of my most precious students… and… you're like a little brother to me."[14]
  • (Letter to Naruto) "I expected you'd try to rush out to the battlefield right away. I know you're ready to fight. If you're reading this letter it means I couldn't stop you. Lady Tsunade ordered us to Kumogakure's secret island to guard you and delay you from leaving as long as possible. I'm writing this letter just in case things don't work out like I want them to… which is pretty pathetic considering I'll be on an official mission. But if that's how it goes… I don't know if I'll manage to give this to you or not, but there's something I need to tell you. In fact, now that you've left, it's the only thing left to say. Come back alive, Naruto!"[15]


  1. Second Databook, pages 54-55
  2. 2.0 2.1 Third Databook, page 49
  3. Fourth Databook, page 64
  4. Naruto chapter 503, pages 6-8
  5. Naruto chapter 1, page 35
  6. Naruto chapter 139, pages 8-10
  7. Naruto Shippūden episode 177
  8. Naruto episode 21
  9. 9.0 9.1 Naruto episode 145
  10. Naruto episode 147
  11. First Databook, page 27
  12. Naruto chapter 535, pages 43-45
  13. Naruto chapter 405, pages 14-15
  14. Naruto chapter 535, pages 12-13
  15. Naruto chapter 535, pages 17-18

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