Koki Uchiyama
Voice ActorKoki Uchiyama is a Japanese voice actor with Himawari Theatre Group who is part of the Horimiya cast. He is known for playing Tomura Shigaraki in My Hero Academia and Meruem in Hunter x Hunter.
Horimiya Role
Uchiyama is among the Japanese-language cast credited on Horimiya, contributing to CloverWorks' 2021 take on the manga. He came to the project with a career built on morally complex and quietly intense characters, a register that suited the show's mix of comedy and unresolved emotional history. His work on the series sits alongside a run of major genre roles landed in the same period.
Career and Notable Roles
Working since 2003 and affiliated with Himawari Theatre Group, Uchiyama won Best Male Rookie at the 5th Seiyu Awards and later a Tokyo Anime Award Festival honor in 2015. He is widely known for playing the villain Tomura Shigaraki in My Hero Academia, Kei Tsukishima in Haikyu!!, the towering Meruem from Hunter x Hunter, and Toge Inumaki of Jujutsu Kaisen.
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Frequently Asked Questions
Who is Koki Uchiyama?
Koki Uchiyama is a Japanese voice actor born in 1990 who is affiliated with Himawari Theatre Group and has worked since 2003. He is among the Japanese-language cast credited on Horimiya's 2021 CloverWorks adaptation.
What is Koki Uchiyama's role in Horimiya?
Uchiyama came to Horimiya with a career built on morally complex and quietly intense characters, a register that suited the show's mix of comedy and unresolved emotional history. His work on the series sits alongside a run of major genre roles landed in the same period.
What is Koki Uchiyama best known for?
Uchiyama is widely known for playing the villain Tomura Shigaraki in My Hero Academia and the towering Meruem from Hunter x Hunter.
What other anime has Koki Uchiyama voiced?
Uchiyama also voices Kei Tsukishima in Haikyu!! and Toge Inumaki in Jujutsu Kaisen. Both roles came during the same stretch of major genre casting that also brought him Tomura Shigaraki and Meruem.
Has Koki Uchiyama won any awards?
Uchiyama won Best Male Rookie at the 5th Seiyu Awards and later received a Tokyo Anime Award Festival honor in 2015.
Sources & Information
This content is original writing by Daddy Jim Headquarters based on the Horimiya anime series, manga, and official materials. Horimiya was created by HERO and Daisuke Hagiwara, published by Square Enix, and animated by CloverWorks. All rights to Horimiya and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
Rights holders
- Created byHERO and Daisuke Hagiwara
- Published bySquare Enix
- Animated byCloverWorks
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 CloverWorks and Square Enix.
- Game pages: official box art, credited to the game's respective publishers.
- Manga chapter pages: volume covers, credited to Square Enix and HERO and Daisuke Hagiwara.
Official resources:
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