

Toshihiko Seki
Toshihiko Seki, born on June 11, 1962, in Sendai, Miyagi Prefecture, Japan, is an esteemed voice actor, actor, singer, and narrator who has made significant contributions to the entertainment industry since 1983. He is affiliated with 81 Produce, a well-known talent agency in Japan.
Seki is particularly recognized for his ability to portray a wide range of characters, often embodying those with serious or fiery temperaments. Notable roles include Duo Maxwell in *Mobile Suit Gundam Wing*, Iruka Umino in *Naruto*, Kaien Shiba in *Bleach*, and Riki in *Ai no Kusabi*. His skills extend to playing intense antagonists, such as Legato Bluesummers in *Trigun* and Muzan Kibutsuji in *Demon Slayer: Kimetsu no Yaiba*. Among his most memorable performances is that of Momotaros in *Kamen Rider Den-O*, a character he has revisited in multiple adaptations.
Beyond anime, Seki's talents have found a place in video games, films, and dubbing work, showcasing his versatility across various mediums. His dedication to his craft has earned him widespread acclaim, including a notable ranking as the 9th favorite voice actor in Animage Magazine's 26th Annual Reader's Poll in 2004. Seki continues to be a prominent figure in the voice acting community, admired for his dynamic performances.
Filmography


SWORD GAI: The Animation
2018
TRIGUN
1998
Golden Kamuy
2018
Onimusha
2023
Rurouni Kenshin (2023)
2023
Mob Psycho 100
2016
I Parry Everything
2024
Detonator Orgun
1991
Vampire Hunter D: Bloodlust
2000
Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025
Ninja Scroll
1993
Angel Cop
1989
The Birth of Kitaro: The Mystery of GeGeGe
2023
Hunter x Hunter: The Last Mission
2013
Mobile Suit Gundam: The Origin II - Artesia's Sorrow
2015
TO-Y
1987
Black Clover: Sword of the Wizard King
2023
Gundam Wing: The Endless Waltz
1998
Ocean Waves
1993