
Toshihiko Seki
Biography
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.
Top Filmography

Naruto Shippūden
2007 // TV

Demon Slayer: Kimetsu no Yaiba
2019 // TV

Naruto
2002 // TV

Castle in the Sky
1986 // MOVIE

Bleach
2004 // TV

Hunter x Hunter
2011 // TV

Ranma ½
1989 // TV

Mob Psycho 100
2016 // TV

Mob Psycho 100
2016 // TV

Road to Ninja: Naruto the Movie
2012 // MOVIE

Ocean Waves
1993 // MOVIE

The Misfit of Demon King Academy
2020 // TV

Vampire Hunter D: Bloodlust
2001 // MOVIE

Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025 // MOVIE

Saint Seiya: Soul of Gold
2015 // TV