Toshihiko Seki

Acting·Jun 11, 1962·Sendai, Japon

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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.

Film	Credit
Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi2026 · Cosmo Gavarion System Voice / Gavarion Trigger System Voice	Cosmo Gavarion System Voice / Gavarion Trigger System Voice
Super Space Sheriff Gavan Infinity: Jo-Chaku Course2026 · Gavarion Trigger System Voice (voice)	Gavarion Trigger System Voice (voice)
Demon Slayer: Kimetsu no Yaiba Infinity Castle2025 · Muzan Kibutsuji (voice)	Muzan Kibutsuji (voice)
Nintama Rantarō: Invincible Master of the Dokutake Ninja2024 · Hansuke Doi (voice)	Hansuke Doi (voice)
The Birth of Kitaro: The Mystery of GeGeGe2023 · Kitarou's Father (voice)	Kitarou's Father (voice)
Black Clover: Sword of the Wizard King2023 · Conrad Leto (voice)	Conrad Leto (voice)
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc2022 · Muzan Kibutsuji (voice)	Muzan Kibutsuji (voice)
My Hero Academia: World Heroes' Mission2021 · Eddie Soul (voice)	Eddie Soul (voice)
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles2021 · Momotaros (voice) / Kamen Rider Den-O (voice)	Momotaros (voice) / Kamen Rider Den-O (voice)
Kamen Rider Den-O: The Birth of Pretty Den-O!2020 · Momotaros (voice)	Momotaros (voice)
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond2019 · Muzan Kibutsuji (voice)	Muzan Kibutsuji (voice)
Kamen Rider Heisei Generations Forever2018 · Momotaros / Kamen Rider Den-O Sword Form (voice)	Momotaros / Kamen Rider Den-O Sword Form (voice)
Mazinger Z: Infinity2017 · Tetsuya Tsurugi (voice)	Tetsuya Tsurugi (voice)
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-2017 · Momotaros	Momotaros
Kamen Rider × Super Sentai: Ultra Super Hero Wars2017 · Momotaros - Kamen Rider Den-O Sword Form (voice)	Momotaros - Kamen Rider Den-O Sword Form (voice)
Naruto OVA 12: The Day Naruto Became Hokage2016 · Iruka Umino (voice)	Iruka Umino (voice)
Mobile Suit Gundam: The Origin II - Artesia's Sorrow2015 · Char Aznable (voice)	Char Aznable (voice)
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai2014 · Kamen Rider Den-O Sword Form (voice)	Kamen Rider Den-O Sword Form (voice)
Hunter x Hunter: The Last Mission2013 · Wing (voice)	Wing (voice)
Higurashi: When They Cry - Outbreak2013 · Kyousuke Irie (voice)	Kyousuke Irie (voice)
Road to Ninja: Naruto the Movie2012 · Iruka Umino (voice)	Iruka Umino (voice)
Kamen Rider × Super Sentai: Super Hero Wars2012 · Momotaros - Kamen Rider Den-O Sword Form (voice)	Momotaros - Kamen Rider Den-O Sword Form (voice)
Detective Conan: Quarter of Silence2011 · Shogo Hikawa (voice)	Shogo Hikawa (voice)
OOO, Den-O, All Riders: Let's Go Kamen Riders2011 · Momotaros / Kamen Rider Den-O Sword Form (voice)	Momotaros / Kamen Rider Den-O Sword Form (voice)
Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!2011 · Hansuke Doi (voice)	Hansuke Doi (voice)
OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~2011 · Momotaros (voice)	Momotaros (voice)
Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 20102010 · Actor	Actor
Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates2010 · Momotaros (voice)	Momotaros (voice)
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral2010 · Momotaros (voice)	Momotaros (voice)
Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle2010 · Momotaros (voice)	Momotaros (voice)
Kamen Rider Decade: Final Stage2010 · Momotaros / Kamen Rider Den-O (Sword Form)	Momotaros / Kamen Rider Den-O (Sword Form)
Kamen Rider × Kamen Rider W & Decade: Movie War 20102009 · Kamen Rider Den-O (voice)	Kamen Rider Den-O (voice)
10th Anniversary Project: Masked Rider LIVE & SHOW2009 · Kamen Rider Den-O Sword Form (voice)	Kamen Rider Den-O Sword Form (voice)
Kamen Rider Decade: All Riders vs. Dai-Shocker2009 · Momotaros / Kamen Rider Den-O (voice)	Momotaros / Kamen Rider Den-O (voice)
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship2009 · Momotaros (voice)	Momotaros (voice)
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-2009 · Momotaros (voice)	Momotaros (voice)
Kamen Rider Kiva & Den-O: DenLiner, Into Space!2009 · Momotaros (voice)	Momotaros (voice)
Imagin Anime: Momotaros Forever!/Imajin Terminal Station2008 · Momotaros (voice)	Momotaros (voice)
Farewell Kamen Rider Den-O: Final Countdown2008 · Momotaros (voice)	Momotaros (voice)
Kamen Rider Kiva: King of the Castle in the Demon World2008 · Penetentiary Officer Sanjo	Penetentiary Officer Sanjo
Momotaros' King of the Crimson Castle2008 · Momotaros (voice)	Momotaros (voice)
Kamen Rider Den-O: Final Trilogy Special Edition2008 · Momotaros (voice)	Momotaros (voice)
Kamen Rider Den-O & Kiva: Climax Deka2008 · Momotaros (voice)	Momotaros (voice)
Kamen Rider Den-O: Final Stage2007 · Momotaros	Momotaros
Kamen Rider Den-O: Singing, Dancing, Great Training!!2007 · Momotaros (voice)	Momotaros (voice)
Kamen Rider Den-O The Movie: I'm Born!2007 · Momotaros (voice)	Momotaros (voice)
Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!2007 · Momotaros (voice)	Momotaros (voice)
Momotaros' Summer Vacation2007 · Momotaros (voice)	Momotaros (voice)