Toshihiko Seki
Personal Info
Known for
Acting
Gender
Male
Birthday
1962-06-11 (62 years old)
Place of Birth
Sendai, Miyagi Prefecture, 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 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
Acting
(2025)
Demon Slayer: Kimetsu no Yaiba Infinity Castle
as Muzan Kibutsuji (voice)
(2024)
Nintama Rantaro the Movie: The Dokutake Ninja Team's Strongest Strategist
as Hansuke Doi (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)
(2022)
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
as Muzan Kibutsuji (voice)
(2021)
My Hero Academia: World Heroes' Mission
as Eddie Soul (voice)
(2021)
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
as Momotaros (voice) / Kamen Rider Den-O (voice)
(2020)
Kamen Rider Den-O: The Birth of Pretty Den-O!
as Momotaros
(2019)
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond
as Muzan Kibutsuji (voice)
(2018)
Kamen Rider Heisei Generations FOREVER
as Momotaros / Kamen Rider Den-O Sword Form (voice)
(2017)
Mazinger Z: Infinity
as Tetsuya Tsurugi (voice)
(2017)
Kamen Rider × Super Sentai: Ultra Super Hero Wars
as Momotaros - Kamen Rider Den-O Sword Form (voice)
(2017)
(2016)
The Day Naruto Became Hokage
as Iruka Umino (voice)
(2015)
Mobile Suit Gundam: The Origin II - Artesia's Sorrow
as Char Aznable (voice)
(2014)
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
as Kamen Rider Den-O Sword Form (voice)
(2013)
Hunter x Hunter: The Last Mission
as Wing (voice)
(2013)
Higurashi: When They Cry - Kaku: Outbreak
as Kyousuke Irie (voice)
(2012)
Road to Ninja: Naruto the Movie
as Iruka Umino (voice)
(2012)
Kamen Rider × Super Sentai: Super Hero Wars
as Momotaros - Kamen Rider Den-O Sword Form (voice)
(2011)
Detective Conan: Quarter of Silence
as Shogo Hikawa (voice)
(2011)
Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!
as Hansuke Doi (voice)
(2011)
OOO, Den-O, All Riders: Let's Go Kamen Riders
as Momotaros / Kamen Rider Den-O Sword Form (voice)
(2011)
OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~
as Momotaros (voice)
(2010)
Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle
as Momotaros (voice)
(2010)
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral
as Momotaros (voice)
(2010)
Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates
as Momotaros (voice)
(2010)
Kamen Rider Decade: Final Stage
as Momotaros / Kamen Rider Den-O (Sword Form)
(2010)
(2009)
Kamen Rider Decade: All Riders vs. Dai-Shocker
as Momotaros / Kamen Rider Den-O (voice)
(2009)
Kamen Rider × Kamen Rider W & Decade: Movie War 2010
as Kamen Rider Den-O (voice)
(2009)
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
as Momotaros (voice)
(2009)
Kamen Rider Kiva & Den-O: DenLiner, Into Space!
as Momotaros (voice)
(2009)
(2008)
Kamen Rider Den-O & Kiva: Climax Deka
as Momotaros (voice)
(2008)
Farewell Kamen Rider Den-O: Final Countdown
as Momotaros (voice)
(2008)
Kamen Rider Kiva: King of the Castle in the Demon World
as Penetentiary Officer Sanjo
(2008)
Kamen Rider Den-O: Final Trilogy Special Edition
as Momotaros (voice)
(2008)
Momotaros' King of the Crimson Castle
as Momotaros (voice)
(2008)
Imagin Anime: Momotaros Forever!/Imajin Terminal Station
as Momotaros (voice)
(2007)
Kamen Rider Den-O The Movie: I’m Born!
as Momotaros (voice)
(2007)
Kamen Rider Den-O: Final Stage
as Momotaros
(2007)
Kamen Rider Den-O: Singing, Dancing, Great Training!!
as Momotaros (voice)
(2007)
(2007)
Momotaros' Summer Vacation
as Momotaros (voice)
(2005)
Mobile Suit Gundam SEED Destiny Final Plus: The Chosen Future
as Rey Za Burrel
(2002)
Animation Store Manager
as Ryuu Raiba (voice)
(2001)
Gensomaden Saiyuki Requiem: For the One Not Chosen
as Genjo Sanzo (voice)
(2000)
Vampire Hunter D: Bloodlust
as Grove Marcus
(2000)
Reign: The Conqueror Movie
as Alexander
(2000)
Baby Felix & Friends
as Felix The Cat
(1998)
Gundam Wing: The Endless Waltz
as Duo Maxwell (voice)
(1997)
Twilight of the Dark Master
as Shijo Tsunami
(1997)
Chimera: Angel of Death
as Ron
(1996)
X: The Movie
as Shougo
(1996)
Ultraman Super Fighter Legend
as Ultraseven / Ultraman Leo (voice)
(1996)
Violinist of Hamelin: The Movie
as Raiel (voice)
(1996)
The End of the Century Darling
as Todorokki Kouhei
(1996)
(1995)
Bio Hunter
as Komada
(1994)
Genocyber
as Sakomizu (voice)
(1994)
Wild 7: Biker Knights
as Dairoku Hiba
(1994)
I'm Not an Angel!
as Bunta Kouno (voice)
(1994)
Love Wedge 2
as Riki (voice)
(1993)
Ocean Waves
as Yutaka Matsuno (voice)
(1993)
Ninja Scroll
as Yurimaru (voice)
(1993)
Please Save My Earth
as Mikuro Yakushimaru (voice)
(1993)
Suikoden Demon Century
as Takateru Suga (voice)
(1993)
Kiss Me on the Apple of My Eye
as Naoto (voice)
(1992)
Download: Devil's Circuit
as Sid (voice)
(1992)
The Weathering Continent
as Tieh (voice)
(1992)
Love Wedge 1
as Riki (voice)
(1992)
Oruorane the Cat Player
as The Cellist
(1992)
Calico Cat Holmes and the Lord of the Haunted Castle
as Yoshitaro Katayama (voice)
(1992)
(1991)
Ranma ½: Big Trouble in Nekonron, China
as Mousse (voice)
(1991)
Nadia: The Secret of Blue Water - Nautilus Story II
as Fate (voice)
(1991)
Hisashi Eguchi's Kotobuki Goro Show
as Piston Akagi (voice)
(1991)
Inferious Interplanetary War Chronicle - Condition Green
as Soo Laform (voice)
(1991)
(1991)
Handsome Girl
as Ichiya Kumagai (voice)
(1991)
Moonlight Pierce
as Hiroshi Takama (voice)
(1990)
Goddamn
as Hans Schultz
(1990)
(1990)
Ryokunohara Labyrinth - Sparkling Phantom
as Hiroki Imashi
(1990)
Heart-Coloured Killer Ticket
as Chuta Misora (voice)
(1990)
Marina the Manga Artist Goes to Camelot
as Bijomaru Shizuka (voice)
(1990)
(1990)
Milky Passion: Dougenzaka - The Castle of Love
as Ootsuki (voice)
(1989)
Angel Cop
as Tachihara (voice)
(1989)
Demon Hunter Makaryūdo
as Shou Kurogane (voice)
(1989)
Hades Project: Zeorymer Extinction
as Masato Akitsu / Masaki Kihara (voice)
(1989)
Cinderella Express
as Yuji Shimano
(1988)
Balthus: Tia's Radiance
as Eud (voice)
(1988)
Hades Project: Zeorymer Separation
as Masato Akitsu (voice)
(1988)
Hades Project: Zeorymer Separation
as Masaki Kihara (voice)
(1988)
Zillion: Burning Night
as J.J. (voice)
(1988)
Sunlight All Around! Ka - su - mi: You Were in My Dreams
as Reporter B (voice)
(1988)
(1988)
Dragon Century
as Carmine (voice)
(1987)
(1987)
The Samurai
as Takeshi Chimatsuri
(1987)
Campus Special Investigator Hikaruon
as Hikaru Shihodo / Hikaruon (voice)
(1987)
TO-Y
as Shouji (voice)
(1986)
Castle in the Sky
as Additional Voices (voice)
(1986)
Call Me Tonight
as Hayata (voice)
Crew
(2009)
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
Theme Song Performance
(2008)
Kamen Rider Den-O & Kiva: Climax Deka
Theme Song Performance