Toshihiko Seki photo

🎭 Acting

Toshihiko Seki

Age · 64 Born · Jun 11, 1962 From · Sendai, Japon Films · 113

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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.

Known for

Demon Slayer: Kimetsu no Yaiba Infinity Castle poster

Demon Slayer: Kimetsu no Yaiba Infinity Castle

Nintama Rantarō: Invincible Master of the Dokutake Ninja poster

Nintama Rantarō: Invincible Master of the Dokutake Ninja

The Birth of Kitaro: The Mystery of GeGeGe poster

The Birth of Kitaro: The Mystery of GeGeGe

Black Clover: Sword of the Wizard King poster

Black Clover: Sword of the Wizard King

Career timeline

2026

Super Space Sheriff Gavan Infinity: The Day the Sun Cried

Cosmo Gavarion System Voice / · 2026

Super Space Sheriff Gavan Infinity: Jo-Chaku Course

Gavarion Trigger System Voice · 2026

2025

Demon Slayer: Kimetsu no Yaiba Infinity Castle Notable

Muzan Kibutsuji (voice) · 2025

2024

Nintama Rantarō: Invincible Master of the Dokutake Ninja Notable

Hansuke Doi (voice) · 2024

2023

The Birth of Kitaro: The Mystery of GeGeGe Notable

Kitarou's Father (voice) · 2023

Black Clover: Sword of the Wizard King Notable

Conrad Leto (voice) · 2023

2022

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc Notable

Muzan Kibutsuji (voice) · 2022

2021

My Hero Academia: World Heroes' Mission Notable

Eddie Soul (voice) · 2021

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles

Momotaros (voice) / Kamen Ride · 2021

2020

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

Momotaros (voice) · 2020

2019

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

Muzan Kibutsuji (voice) · 2019

2018

Kamen Rider Heisei Generations Forever

Momotaros / Kamen Rider Den-O · 2018

2017

Mazinger Z: Infinity

Tetsuya Tsurugi (voice) · 2017

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-

Momotaros · 2017

Kamen Rider × Super Sentai: Ultra Super Hero Wars

Momotaros - Kamen Rider Den-O · 2017

2016

Naruto OVA 12: The Day Naruto Became Hokage Notable

Iruka Umino (voice) · 2016

2015

Mobile Suit Gundam: The Origin II - Artesia's Sorrow Notable

Char Aznable (voice) · 2015

2014

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai

Kamen Rider Den-O Sword Form ( · 2014

2013

Hunter x Hunter: The Last Mission

Wing (voice) · 2013

Higurashi: When They Cry - Outbreak

Kyousuke Irie (voice) · 2013

2012

Road to Ninja: Naruto the Movie Notable

Iruka Umino (voice) · 2012

Kamen Rider × Super Sentai: Super Hero Wars

Momotaros - Kamen Rider Den-O · 2012

2011

Detective Conan: Quarter of Silence Notable

Shogo Hikawa (voice) · 2011

OOO, Den-O, All Riders: Let's Go Kamen Riders

Momotaros / Kamen Rider Den-O · 2011

Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!

Hansuke Doi (voice) · 2011

2010

Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010

Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates

Momotaros (voice) · 2010

Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral

Momotaros (voice) · 2010

2009

Kamen Rider × Kamen Rider W & Decade: Movie War 2010

Kamen Rider Den-O (voice) · 2009

10th Anniversary Project: Masked Rider LIVE & SHOW

Kamen Rider Den-O Sword Form ( · 2009

Kamen Rider Decade: All Riders vs. Dai-Shocker

Momotaros / Kamen Rider Den-O · 2009

2008

Imagin Anime: Momotaros Forever!/Imajin Terminal Station

Momotaros (voice) · 2008

Farewell Kamen Rider Den-O: Final Countdown Notable

Momotaros (voice) · 2008

Kamen Rider Kiva: King of the Castle in the Demon World

Penetentiary Officer Sanjo · 2008

2007

Kamen Rider Den-O: Final Stage

Momotaros · 2007

Kamen Rider Den-O: Singing, Dancing, Great Training!!

Momotaros (voice) · 2007

Kamen Rider Den-O The Movie: I'm Born! Notable

Momotaros (voice) · 2007

Frequently appears with

Tanjiro Kamado (voice)

Takahiro Sakurai

Giyu Tomioka (voice)

Zenitsu Agatsuma (voice)

Yoshimasa Hosoya

Kaigaku (voice)

Full filmography

Super Space Sheriff Gavan Infinity: The Day the Sun Cried poster

Super Space Sheriff Gavan Infinity: The Day the Sun Cried

Super Space Sheriff Gavan Infinity: Jo-Chaku Course poster

Super Space Sheriff Gavan Infinity: Jo-Chaku Course

Demon Slayer: Kimetsu no Yaiba Infinity Castle poster

Demon Slayer: Kimetsu no Yaiba Infinity Castle

Nintama Rantarō: Invincible Master of the Dokutake Ninja poster

Nintama Rantarō: Invincible Master of the Dokutake Ninja

The Birth of Kitaro: The Mystery of GeGeGe poster

The Birth of Kitaro: The Mystery of GeGeGe

Black Clover: Sword of the Wizard King poster

Black Clover: Sword of the Wizard King

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc poster

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc

My Hero Academia: World Heroes' Mission poster

My Hero Academia: World Heroes' Mission

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles poster

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles

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

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

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

Demon Slayer: Kimetsu no Yaiba - Sibling's Bond

Kamen Rider Heisei Generations Forever poster

Kamen Rider Heisei Generations Forever

Mazinger Z: Infinity poster

Mazinger Z: Infinity

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- poster

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-

Kamen Rider × Super Sentai: Ultra Super Hero Wars poster

Kamen Rider × Super Sentai: Ultra Super Hero Wars

Naruto OVA 12: The Day Naruto Became Hokage poster

Naruto OVA 12: The Day Naruto Became Hokage

Mobile Suit Gundam: The Origin II - Artesia's Sorrow poster

Mobile Suit Gundam: The Origin II - Artesia's Sorrow

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai poster

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai

Hunter x Hunter: The Last Mission poster

Hunter x Hunter: The Last Mission

Higurashi: When They Cry - Outbreak poster

Higurashi: When They Cry - Outbreak

Continue exploring

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Curated collectionsMovies by mood & theme

Demon Slayer: Kimetsu no YaiView movie page

Nintama Rantarō: Invincible View movie page