Toshihiko Seki
Known for ActingBorn 1962-06-11Sendai, Japon
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.
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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.
Known for
Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025 · as Muzan Kibutsuji (voice)
Castle in the Sky
1986 · as Additional Voices (voice)
X: The Movie
1996 · as Shougo
Black Clover: Sword of the Wizard King
2023 · as Conrad Leto (voice)
Mazinger Z: Infinity
2017 · as Tetsuya Tsurugi (voice)
Ocean Waves
1993 · as Yutaka Matsuno (voice)
Detective Conan: Quarter of Silence
2011 · as Shogo Hikawa (voice)
Road to Ninja: Naruto the Movie
2012 · as Iruka Umino (voice)
Ninja Scroll
1993 · as Yurimaru (voice)
My Hero Academia: World Heroes' Mission
2021 · as Eddie Soul (voice)
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond
2019 · as Muzan Kibutsuji (voice)
Ranma 1/2 the Movie 2: Nihao My Concubine
1992 · as Mousse (voice)
Hunter x Hunter: The Last Mission
2013 · as Wing (voice)
Kamen Rider × Super Sentai: Ultra Super Hero Wars
2017 · as Momotaros - Kamen Rider Den-O Sword Form (voice)
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
2022 · as Muzan Kibutsuji (voice)
Balthus: Tia's Radiance
1988 · as Eud (voice)
Kamen Rider Decade: All Riders vs. Dai-Shocker
2009 · as Momotaros / Kamen Rider Den-O (voice)
Kamen Rider × Kamen Rider W & Decade: Movie War 2010
2009 · as Kamen Rider Den-O (voice)