Toshihiko Seki
- Known for
- Acting
- Born
- June 11, 1962
- Birthplace
- Sendai, Japon
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.
Filmography
Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi 2026
as Cosmo Gavarion System Voice / Gavarion Trigger System Voice
Super Space Sheriff Gavan Infinity: Jo-Chaku Course 2026
as Gavarion Trigger System Voice (voice)
Demon Slayer: Kimetsu no Yaiba Infinity Castle 2025
as Muzan Kibutsuji (voice)
Nintama Rantarō: Invincible Master of the Dokutake Ninja 2024
as Hansuke Doi (voice)
The Birth of Kitaro: The Mystery of GeGeGe 2023
as Kitarou's Father (voice)
Black Clover: Sword of the Wizard King 2023
as Conrad Leto (voice)
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc 2022
as Muzan Kibutsuji (voice)
My Hero Academia: World Heroes' Mission 2021
as Eddie Soul (voice)
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles 2021
as Momotaros (voice) / Kamen Rider Den-O (voice)
Kamen Rider Den-O: The Birth of Pretty Den-O! 2020
as Momotaros (voice)
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond 2019
as Muzan Kibutsuji (voice)
Kamen Rider Heisei Generations Forever 2018
as Momotaros / Kamen Rider Den-O Sword Form (voice)
Mazinger Z: Infinity 2017
as Tetsuya Tsurugi (voice)
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- 2017
as Momotaros
Kamen Rider × Super Sentai: Ultra Super Hero Wars 2017
as Momotaros - Kamen Rider Den-O Sword Form (voice)
Naruto OVA 12: The Day Naruto Became Hokage 2016
as Iruka Umino (voice)
Mobile Suit Gundam: The Origin II – Artesia's Sorrow 2015
as Char Aznable (voice)
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai 2014
as Kamen Rider Den-O Sword Form (voice)
Hunter x Hunter: The Last Mission 2013
as Wing (voice)
Higurashi: When They Cry - Outbreak 2013
as Kyousuke Irie (voice)
Road to Ninja: Naruto the Movie 2012
as Iruka Umino (voice)
Kamen Rider × Super Sentai: Super Hero Wars 2012
as Momotaros - Kamen Rider Den-O Sword Form (voice)
Detective Conan: Quarter of Silence 2011
as Shogo Hikawa (voice)
OOO, Den-O, All Riders: Let's Go Kamen Riders 2011
as Momotaros / Kamen Rider Den-O Sword Form (voice)
Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! 2011
as Hansuke Doi (voice)
OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~ 2011
as Momotaros (voice)
Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010 2010
Actor
Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates 2010
as Momotaros (voice)
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral 2010
as Momotaros (voice)
Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle 2010
as Momotaros (voice)
Kamen Rider Decade: Final Stage 2010
as Momotaros / Kamen Rider Den-O (Sword Form)
Kamen Rider × Kamen Rider W & Decade: Movie War 2010 2009
as Kamen Rider Den-O (voice)
10th Anniversary Project: Masked Rider LIVE & SHOW 2009
as Kamen Rider Den-O Sword Form (voice)
Kamen Rider Decade: All Riders vs. Dai-Shocker 2009
as Momotaros / Kamen Rider Den-O (voice)
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship 2009
as Momotaros (voice), Theme Song Performance
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- 2009
as Momotaros (voice)
Kamen Rider Kiva & Den-O: DenLiner, Into Space! 2009
as Momotaros (voice)
Imagin Anime: Momotaros Forever!/Imajin Terminal Station 2008
as Momotaros (voice)
Farewell Kamen Rider Den-O: Final Countdown 2008
as Momotaros (voice)
Kamen Rider Kiva: King of the Castle in the Demon World 2008
as Penetentiary Officer Sanjo
Momotaros' King of the Crimson Castle 2008
as Momotaros (voice)
Kamen Rider Den-O: Final Trilogy Special Edition 2008
as Momotaros (voice)
Kamen Rider Den-O & Kiva: Climax Deka 2008
as Momotaros (voice), Theme Song Performance
Kamen Rider Den-O: Final Stage 2007
as Momotaros
Kamen Rider Den-O: Singing, Dancing, Great Training!! 2007
as Momotaros (voice)
Kamen Rider Den-O The Movie: I'm Born! 2007
as Momotaros (voice)
Momotaros' Summer Vacation 2007
as Momotaros (voice)
Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!! 2007
as Momotaros (voice)
Paranoia Agent: Part 1 2004
as まにわ みつひろ
RahXephon: Pluralitas Concentio 2003
as Makoto Isshiki (voice)
Saiyuki Interactive 2002
Actor
Animation Store Manager 2002
as Ryuu Raiba (voice)
Saiyuki: Requiem 2001
as Genjo Sanzo (voice)
Reign: The Conqueror Movie 2000
as Alexander
Baby Felix & Friends 2000
as Felix The Cat
Gundam Wing: The Endless Waltz 1998
as Duo Maxwell (voice)
Twilight of the Dark Master 1997
as Shijo Tsunami (voice)
Chimera: Angel of Death 1997
as Ron (voice)
Ultraman Super Fighter Legend 1996
as Ultraseven / Ultraman Leo (voice)
X 1996
as Shougo
Yawara! Atlanta Special 1996
Actor
Violinist of Hamelin: The Movie 1996
as Raiel (voice)
The End of the Century Darling 1996
as Todorokki Kouhei (voice)
Bio Hunter 1995
as Komada
Legend of Crystania: The Motion Picture 1995
as Nasser (voice)
Wild 7: Biker Knights 1994
as Dairoku Hiba
The Irresponsible Captain Tylor: Tylor's War 1994
as Ru Baraba Dom (voice)
I'm Not an Angel! 1994
as Bunta Kouno (voice)
Love Wedge 2 1994
as Riki (voice)
Dorami-chan: A Blue Straw Hat 1994
as Crow (voice)
Genocyber 1994
as Sakomizu (voice)
Ocean Waves 1993
as Yutaka Matsuno (voice)
Suikoden Demon Century 1993
as Takateru Suga (voice)
Kiss Me on the Apple of My Eye 1993
as Naoto (voice)
Ninja Scroll 1993
as Yurimaru (voice)
Download: Devil's Circuit 1992
as Sid (voice)
Oruorane the Cat Player 1992
as The Cellist
Love Wedge 1 1992
as Riki (voice)
Ranma 1/2 the Movie 2: Nihao My Concubine 1992
as Mousse (voice)
Yawara! Go Get 'Em, Wimpy Kids!! 1992
as (voice)
Calico Cat Holmes and the Lord of the Haunted Castle 1992
as Yoshitaro Katayama (voice)
The Weathering Continent 1992
as Tieh (voice)
Moonlight Pierce 1991
as Hiroshi Takama (voice)
Inferious Interplanetary War Chronicle - Condition Green 1991
as Soo Laform (voice)
Ranma 1/2 the Movie: Big Trouble in Nekonron, China 1991
as Mousse (voice)
Handsome Girl 1991
as Ichiya Kumagai (voice)
Yuukan Club 1991
Actor
Nadia: The Secret of Blue Water - The Motion Picture 1991
as Falt (voice)
Nadia: The Secret of Blue Water - Nautilus Story II 1991
as Fate (voice)
Trusty Ginjiro 1991
as Hideki Mitsui (voice)
Hisashi Eguchi's Kotobuki Goro Show 1991
as Piston Akagi (voice)
TOKYO CITY Melhen 2 1990
Actor
Marina the Manga Artist Goes to Camelot 1990
as Bijomaru Shizuka (voice)
Midoriyama High School, Koshien Edition (Movie) 1990
Actor
Milky Passion: Dougenzaka - The Castle of Love 1990
as Ootsuki (voice)
Goddamn 1990
as Hans Schultz
Heart-Coloured Killer Ticket 1990
as Chuta Misora (voice)
Ryokunohara Labyrinth - Sparkling Phantom 1990
as Hiroki Imashi
Demon Hunter Makaryūdo 1989
as Shou Kurogane (voice)
Angel Cop 1989
as Tachihara (voice)
Cinderella Express 1989
as Yuji Shimano
Beat Shot!! 1989
as Akihiko Hanamatsuri (voice)
Scarlet Demon 1989
Actor
Hades Project: Zeorymer Extinction 1989
as Masato Akitsu / Masaki Kihara (voice)
Kaze wo Nuke! 1988
Actor
Hades Project: Zeorymer Separation 1988
as Masato Akitsu (voice), as Masaki Kihara (voice)
Dragon Century 1988
as Carmine (voice)
Sunlight All Around! Ka - su - mi: You Were in My Dreams 1988
as Reporter B (voice)
Zillion: Burning Night 1988
as J.J. (voice)
Balthus: Tia's Radiance 1988
as Eud (voice)
The Samurai 1987
as Takeshi Chimatsuri
TO-Y 1987
as Shouji (voice)
Maryuu Senki 1987
Actor
Campus Special Investigator Hikaruon 1987
as Hikaru Shihodo / Hikaruon (voice)
Castle in the Sky 1986
as (voice)
Call Me Tonight 1986
as Hayata (voice)
Credits from TMDB.