Koki Uchiyama
Voice ActorKoki Uchiyama is a Japanese voice actor who provides the voice of series antagonist Tomura Shigaraki in My Hero Academia, alongside a wide-ranging career that includes Meruem in Hunter x Hunter and Kei Tsukishima in Haikyu!!
My Hero Academia Role
Koki Uchiyama voices Tomura Shigaraki, the central antagonist and leader of the League of Villains, throughout the Japanese run of My Hero Academia. The role sits among the darker, more menacing parts of his catalog, requiring a colder, more unsettling delivery than many of his other well known characters. Shigaraki's arc across the series, from an unstable villain to the successor of All For One, has become one of the character's most talked-about performances by fans of the show.
Career and Notable Roles
Uchiyama is affiliated with Himawari Theatre Group and has built one of the more decorated resumes among his generation of Japanese voice actors, winning Best Male Rookie at the 5th Seiyu Awards and a Best Voice Actor honor at the Tokyo Anime Award Festival in 2015. His other major credits include Meruem in Hunter x Hunter, Toge Inumaki in Jujutsu Kaisen, Rin Itoshi in Blue Lock, and Ventus and Roxas from the Kingdom Hearts franchise. He has worked steadily since the early 2000s across anime, video games, and drama series.
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Frequently Asked Questions
Who does Koki Uchiyama voice in My Hero Academia?
Koki Uchiyama voices Tomura Shigaraki, the central antagonist and leader of the League of Villains, throughout the Japanese run of My Hero Academia. The role requires a colder, more unsettling delivery than many of his other well known characters, tracking Shigaraki's arc from an unstable villain to the successor of All For One.
What awards has Koki Uchiyama won?
Uchiyama won Best Male Rookie at the 5th Seiyu Awards and a Best Voice Actor honor at the Tokyo Anime Award Festival in 2015. Those wins came early in a career that has grown into one of the more decorated resumes of his generation.
What other anime has Koki Uchiyama been in?
Uchiyama's major credits include Meruem in Hunter x Hunter, Toge Inumaki in Jujutsu Kaisen, and Rin Itoshi in Blue Lock. Those roles sit alongside his darker, more menacing turn as Shigaraki.
What video game roles has Koki Uchiyama voiced?
Uchiyama voices Ventus and Roxas in the Kingdom Hearts franchise. That work runs alongside his anime, video game, and drama credits.
When did Koki Uchiyama start voice acting?
Uchiyama was born in 1990 and has been active since 2003, working steadily since the early 2000s. He is affiliated with Himawari Theatre Group.
Sources & Information
This content is original writing by Daddy Jim Headquarters based on the My Hero Academia anime series, manga, and official materials. My Hero Academia was created by Kohei Horikoshi, published by Shueisha, and animated by Bones. All rights to My Hero Academia and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
Rights holders
All rights belong to their respective owners.
Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
- Movie pages: theatrical posters and key visuals, credited to Bones and Shueisha.
- Game pages: official box art, credited to the game's respective publishers.
- Manga chapter pages: volume covers, credited to Shueisha and Kohei Horikoshi.
Official resources:
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