Toshihiko Seki, born on June 11, 1962, in Sendai, Miyagi Prefecture, Japan, is a celebrated Japanese voice actor, actor, singer, and narrator. He has been active in the entertainment industry since 1983 and is affiliated with 81 Produce, a prominent talent agency.
Seki is known for his versatility, often voicing characters with serious or easily agitated personalities, such as Duo Maxwell in Mobile Suit Gundam Wing, Iruka Umino in Naruto, Kaien Shiba in Bleach and Riki in Ai no Kusabi. He has also portrayed deranged villains like Legato Bluesummers in Trigun and Muzan Kibutsuji in Demon Slayer: Kimetsu no Yaiba. One of his most iconic roles is Momotaros in Kamen Rider Den-O, a character he has reprised in numerous productions.
In addition to his work in anime, Seki has contributed to video games, movies, and dubbing. His talent and dedication have earned him recognition, including being ranked as the 9th favorite voice actor in the 26th Annual Reader’s Poll by Animage Magazine in 2004.
1993 • TV
1971 • TV
2004 • TV
2002 • TV
1986 • Movie
2023 • Movie
as Additional Voices (voice)
as Conrad Leto (voice)
as Duo Maxwell (voice)
as Muzan Kibutsuji (voice)
as Eddie Soul (voice)
as Penetentiary Officer Sanjo
as Komada
as Shijo Tsunami (voice)
as Kitarou's Father (voice)
as Hansuke Doi (voice)
as Eud (voice)
as Momotaros (voice) / Kamen Rider Den-O (voice)
as Iruka Umino (voice)
as Dairoku Hiba
as Fate (voice)
as Bijomaru Shizuka (voice)
as Chuta Misora (voice)
as Momotaros / Kamen Rider Den-O Sword Form (voice)
as Tieh (voice)
as Shouji (voice)
as Hansuke Doi
683 episodes
as Kamen Rider Den-O (voice)
2 episodes
as Aaroniero Arruruerie (voice)
as Iruka Umino (voice)
220 episodes
as Mousse (voice)
13 episodes
as Iruka Umino (voice)
320 episodes
as Morizo Ebihara (voice)
1 episodes
as Fejto (voice)
39 episodes
as Rau Le Creuset (voice)
56 episodes
as Genjo Sanzo (voice)
126 episodes
as Konzen Douji (voice)
50 episodes
as Kyousuke Irie (voice)
10 episodes
as Duo Maxwell (voice)
49 episodes
as Jotaro Kaga
64 episodes
as Yamane (voice)
26 episodes
as Hiroshi Hoshizora
48 episodes
as Hiroto Minaka
25 episodes
as Grunwald
41 episodes
as Public Prosecutor (voice)
1 episodes
as Ru Baraba Dom
26 episodes
