Acting · b. 1962 · Sendai, Miyagi, Japan

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 Slaye...

Acting
Super Space Sheriff Gavan Infinity: Jo-Chaku Course Gavarion Trigger System Voice (voice) 2026 Untitled Super Space Sheriff Gavan Infinity Summer Movie Cosmo Gavarion System Voice / Gavarion Trigger System Voice 2026 Demon Slayer: Kimetsu no Yaiba Infinity Castle Muzan Kibutsuji (voice) 2025 Nintama Rantarō: Invincible Master of the Dokutake Ninja Hansuke Doi (voice) 2024 The Birth of Kitaro: The Mystery of GeGeGe Kitarou's Father (voice) 2023 Black Clover: Sword of the Wizard King Conrad Leto (voice) 2023 Demon Slayer: Kimetsu no Yaiba - Asakusa Arc Muzan Kibutsuji (voice) 2022 My Hero Academia: World Heroes' Mission Eddie Soul (voice) 2021 Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles Momotaros (voice) / Kamen Rider Den-O (voice) 2021 Kamen Rider Den-O: The Birth of Pretty Den-O! Momotaros (voice) 2020 Demon Slayer: Kimetsu no Yaiba - Sibling's Bond Muzan Kibutsuji (voice) 2019 Kamen Rider Heisei Generations Forever Momotaros / Kamen Rider Den-O Sword Form (voice) 2018 Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- Momotaros 2017 Mazinger Z: Infinity Tetsuya Tsurugi (voice) 2017 Kamen Rider × Super Sentai: Ultra Super Hero Wars Momotaros - Kamen Rider Den-O Sword Form (voice) 2017 Naruto OVA 12: The Day Naruto Became Hokage Iruka Umino (voice) 2016 Mobile Suit Gundam: The Origin II - Artesia's Sorrow Char Aznable (voice) 2015 Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai Kamen Rider Den-O Sword Form (voice) 2014 Higurashi: When They Cry - Outbreak Kyousuke Irie (voice) 2013 Hunter x Hunter: The Last Mission Wing (voice) 2013 Road to Ninja: Naruto the Movie Iruka Umino (voice) 2012 Kamen Rider × Super Sentai: Super Hero Wars Momotaros - Kamen Rider Den-O Sword Form (voice) 2012 OOO, Den-O, All Riders: Let's Go Kamen Riders Momotaros / Kamen Rider Den-O Sword Form (voice) 2011 Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! Hansuke Doi (voice) 2011 OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~ Momotaros (voice) 2011 Detective Conan: Quarter of Silence Shogo Hikawa (voice) 2011 Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle Momotaros (voice) 2010 Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral Momotaros (voice) 2010 Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates Momotaros (voice) 2010 Kamen Rider Decade: Final Stage Momotaros / Kamen Rider Den-O (Sword Form) 2010
Other Credits
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship Theme Song Performance 2009 Kamen Rider Den-O & Kiva: Climax Deka Theme Song Performance 2008
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