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Toshihiko Seki

Toshihiko Seki

Birthday: 1962-06-11 | Place of Birth: Sendai, Miyagi, Japan

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.

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Known For

Acting

Year
Title

Role

2026
Gundam Wing: The Endless Waltz

as    Duo Maxwell (voice)

2026
PROJECT R.E.D.

as    GavarionTrigger / CosmoGavarion (voice)

2025
SANDA

as    Hifumi Ōshibu (voice)

2024
I Parry Everything

as    Carew (voice)

2024
Ninja Scroll

as    Yurimaru (voice)

2023
Black Clover: Sword of the Wizard King

as    Conrad Leto (voice)

2023
The Birth of Kitaro: The Mystery of GeGeGe

as    Kitarou's Father (voice)

2023
Onimusha

as    Kojiro Sasaki (voice)

2022
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc

as    Muzan Kibutsuji (voice)

2022
Saiyuki Reload Zeroin

as    玄奘三蔵

2020
Higurashi: When They Cry - NEW

as    Kyousuke Irie (voice)

2020
Kamen Rider Den-O: The Birth of Pretty Den-O!

as    Momotaros (voice)

2019
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond

as    Muzan Kibutsuji (voice)

2018
Golden Kamuy

as    Kazuo Henmi (voice)

2018
The Ryuo's Work is Never Done!

as    Kiyotaki Kousuke (voice)

2018
Saint Seiya: Saintia Sho

as    Scorpio Milo (voice)

2018
Mazinger Z: Infinity

as    Tetsuya Tsurugi (voice)

2017
THE REFLECTION

as    Michael Holden (voice)

2016
Showa Genroku Rakugo Shinju

as    Eisuke Higuchi (voice)

2016
Naruto OVA 13: The Day Naruto Became Hokage

as    Iruka Umino (voice)

2016
Ocean Waves

as    Yutaka Matsuno (voice)