Rikiya Koyama
Voice ActorJapanese voice actor and member of Haiyuza Theatre Company, born in Kyoto. Known for major anime roles including Dragon Ball Super Heroes and Dragon Ball Daima, bringing depth to both protagonists and antagonists.
Dragon Ball Universe Roles
Rikiya Koyama voiced Cumber, the powerful antagonist in Super Dragon Ball Heroes, and Kadem in Dragon Ball Daima. These roles showcased his ability to deliver menacing and complex character performances across Dragon Ball's expanded media, from video game storylines to television series.
Broader Anime and Career
Koyama has voiced prominent characters in major anime including Coyote Starrk in Bleach, Kogoro Mouri in Case Closed, and Mamoru Takamura in Hajime no Ippo. His membership in Haiyuza Theatre Company reflects his commitment to acting craft beyond voice work, grounding his character interpretations in theatrical training.
Sources & Information
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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:
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- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Akira Toriyama.
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