Kozo Fuyutsuki

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Kozo Fuyutsuki
冬月 コウゾウ
Rank / Title Vice Commander of Nerv
Affiliation(s) Nerv, Gehirn
National Heritage Japanese
Age 59
Birthday 04/09/1956 (disputed[1])
Height 189cm[1]
Seiyū Motomu Kiyokawa
Voice Actor (English): Guil Lunde (TV), Michael Ross (films),
Kent Williams (Rebuild), JP Karliak (Netflix)
(Italian): Oliviero Dinelli
(French): Mathieu Rivolier
(German): Hans-Werner Bussinger (TV) , Volker Wolf (Films) , Uli Krohm (Rebuild) , Sven Riemann (Netflix)
(Latin Spanish): Jesse Conde

Vice Commander Kozo Fuyutsuki is second-in-command of Nerv HQ and Gendo Ikari's right-hand man. As Vice Commander of Nerv, Fuyutsuki frequently takes command of situations at the base whenever Gendo is away on business. Gendo also tends to unload the more mundane work, such as town council meetings, paperwork, and the like, onto Fuyutsuki.

Character Summary

Tokyo University and Second Impact

Main article: Episode 21

Return of the Angels

Main articles: Episode 1, up to Episode 10

Most of Fuyutsuki's appearances during the first episodes of the series are short and relatively insignificant scenes, generally as a right hand to Gendo.

Throughout the majority of Episode 1, Fuyutsuki stands next to Gendo as they watch the JSSDF attempting to destroy the angel, sharing some occasional commentary with Gendo (shedding a little light on some of the background elements of the story), until Gendo tells him to "handle the rest of this" as he goes down to meet Shinji. He looks back to where Gendo was just a moment ago, and with a complicated expression and tone he comments on how this is "their first encounter in three years." His last appearance in the episode is when Gendo calls him through the communication system and he reluctantly accepts Gendo's order to wake Rei and bring her to the bridge when Shinji proves to be unable or unwilling to pilot.

Fuyutsuki is practically non-existent in episode 2 (except for a brief conversation on the Ikaris with Ritsuko), and in episodes 3 to 8 (again, with an exception for the second Unit 00 activation test in episode 5). He takes a greater participation in the debriefing after the first attack against the seventh angel (episode 9), where he comments that they (Nerv) have been humiliated, as well as pointing out with dismay that they'll have to re-draw the maps again due to the N-2 mines' blast and assessing the situation, all in a noticeably upset mood. At the end of the debriefing, he stands up and chastises the pilots, telling them that "their job is to defeat the angels. Nerv does not exist to make grotesque displays like these" and tells Shinji and Asuka they must cooperate. After witnessing their uninspiring reply, he just sighs and leaves.

Gendo's advisor

Main articles: Episode 11, up to Episode 16

Preparations for Third Impact

Main articles: Episode 17, Episode 18, Episode 19, Episode 20

Fruition of the agendas

Main articles: Episode 21, Episode 22, Episode 23, Episode 24


Main articles: Episode 25, Episode 26, Episode_25', Episode_26'


Prior to Second Impact, Fuyutsuki had been a professor of metaphysical biology at Kyoto University. While there, he met the young bioengineering student Yui Ikari and became her "sensei." The exact nature of their academic relationship is unknown, although they were close and spent time together off-campus. Fuyutsuki was smitten with "Yui-kun" from the start, although he kept this entirely to himself.

Not long after, a man named Gendo Rokubungi, who was being held at the Kyoto Prefecture Police Department after a bar fight, asked to be released into Fuyutsuki's custody. He complied, although he found Rokubungi distasteful. Yui later introduced Gendo to Fuyutsuki formally, and then, during a hike, revealed that she was actually dating him -- news that left her sensei visibly disconcerted despite his efforts to conceal this from her.

This was a strong suggestion that Fuytusuki was attracted to Yui Ikari, in addition to being impressed with her work. At the very least, Fuytusuki appears to have shared some of Yui’s admiration for humanity. In Episode 12, during a philosophical debate with Gendo at the South Pole, Fuytusuki states that he’d "prefer a world where people live, no matter how stained with sin." Also, he has said that he agrees with Yui’s ideas more than Seele’s.

But on a personal level, Fuytusuki was said to want little to do with people in his earlier life (a colleague in Episode 21 notes: "You excel at your work, but you don't take socializing seriously and that's not good"), and there is no sign of whether or not that has changed.

Fuyutsuki survived Second Impact, but his career as a university professor came to an end. In 2002, he "set up shop" at the ruins of Toyohashi (in Aichi Prefecture, east of Kyoto) as an unlicensed doctor to compensate for the shortage being experienced everywhere. Fuyutsuki was then selected to be part of the United Nations' official investigatory expedition to the South Pole (on the basis on an anonymous recommendation by Gendo). Determined to discover the truth about Second Impact, Fuyutsuki relentlessly dug for information on Gendo, Second Impact, the Katsuragi Expedition, and the mysterious organization "Seele" to which Gendo and Yui were somehow attached.

He then confronted Gendo at the Artificial Evolution Laboratory with his findings. Gendo, unmoved by Fuyutsuki's threats of taking the information public, took him down into the Geofront and the under-construction facilities. Upon showing him the prototype Evangelion unit, he invited Fuyutsuki to "join us in creating a new genesis for Mankind."

Fuyutsuki subsequently joined Gehirn, though it would appear that he had had little choice in the matter. He confided in Yui that he had been under threat of erasure by Seele for knowing too much, and that "working for the enemy" had provided a means for him to avoid that fate (21').

At Nerv headquarters, Fuyutsuki is nearly always seen in the company of Gendo Ikari, but it is clear that their alliance is one of convenience and business. The two men do achieve some unity in that both are interested in seeing Yui again, however. It is unclear whether either Gendo or Yui were aware of Fuyutsuki’s attraction to her.

As part of Nerv, Fuyutsuki is far less harsh than Gendo. After the disastrous initial attack on Israfel, Ritsuko tells Misato that she would have been fired already if Gendo had not been away and Fuyutsuki had not been in charge at that time. Fuyutsuki himself seems aware of the trouble Gendo's personality causes: in Episode 13 he orders that what seems to be a patch of corrosion (but which is actually Ireul) be disposed of quickly to avoid Gendo's inevitable complaining.

In Rebuild of Evangelion

"Making something... Nurturing something is really great. You can see and learn so many things from the process."
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Fuyutsuki appears in both Evangelion 1.0 and Evangelion 2.0 in more or less the same capacity as in the series. However, Fuyutsuki seems somewhat less distant from Gendo and more involved in Gendo's work; he appears to be Gendo's confidant and co-conspirator, rather than giving the impression that he is merely following Gendo's plans. As of the second movie, his background and history have not been revealed.

In Evangelion 3.0, Fuyutsuki has visibly aged the most of all the characters, silver-haired and balding. He plays a game of shogi with Shinji and tells him about his mother, Yui Ayanami, and her fate as the control system of Eva-01. He is seen at the end with Gendo in a darkened room that appears a near-replica of AAA Wunder's control room, although what his plans are is unknown.

In Other Media

"Making something... Nurturing something is really great. You can see and learn so many things from the process."
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Please discuss this issue, or begin editing the page.

In Sadamoto's Manga


  • "Fuyutsuki" literally means "Winter Moon," and was the name of an Akitsuki-class destroyer from World War II. The Destroyer Fuyutsuki rescued the survivors of the great battleship Yamato after it was destroyed by American aircraft.
  • Fuyutsuki's rank has been alternatively translated as "Vice Commander," "Deputy Commander," or "Sub-Commander." The original Japanese word is fuku (as in fukushirei), and all of these alternate translations mean pretty much the same thing. Evapedia consistently uses "Vice Commander" for convenience.
  • In Neon Genesis Evangelion Proposal, he was originally going to be slightly younger than Gendo. It also ascribed him "Quiet acceptance of Misato’s reckless strategies due largely to his personality."[2]
  1. Evangelion Chronicle has a character height chart, however it does not clearly state each character's height. An user has calculated their heights based on it here, taking Misato's height from Episode 25 as a reference.
  2. Neon Genesis Evangelion Proposal

Main characters: Shinji Ikari | Rei Ayanami | Asuka Langley Soryu
Nerv staff: Misato Katsuragi | Gendo Ikari | Ritsuko Akagi | Kozo Fuyutsuki | Ryoji Kaji | Maya Ibuki | Makoto Hyuga | Shigeru Aoba
Classmates: Toji Suzuhara | Kensuke Aida | Hikari Horaki
Other characters: Kaworu Nagisa | Yui Ikari | Naoko Akagi | Kyoko Zeppelin Soryu | Dr. Katsuragi | Mr. Langley | Keel Lorenz | Pen Pen
Rebuild of Evangelion: Asuka Shikinami Langley | Mari Makinami Illustrious | Sakura Suzuhara | Ryoji Kaji (Jr)
Miscellaneous: Minor Characters | Minor Characters (Rebuild) | Extracanonical Characters
Theory and Analysis: Name Origins (Warships) | Designs | Relationships | Profiles
Resources: 2015: The Last Year of Ryohji Kaji