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Toshihiko Seki · PopcornQueue

Toshihiko Seki

Actor

Born: June 11, 1962 (age 64) · 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.

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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

Castle in the Sky
August 2, 1986
Demon Slayer: Kimetsu no Yaiba Infinity Castle
July 18, 2025
Road to Ninja: Naruto the Movie
July 28, 2012
Ocean Waves
October 9, 1993
Ninja Scroll
June 5, 1993
My Hero Academia: World Heroes' Mission
August 6, 2021
Black Clover: Sword of the Wizard King
June 16, 2023
Mazinger Z: Infinity
October 27, 2017
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond
March 29, 2019
Hunter x Hunter: The Last Mission
December 27, 2013
Detective Conan: Quarter of Silence
April 16, 2011
Ranma 1/2 the Movie 2: Nihao My Concubine
August 2, 1992

Acting113

2026Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi as Cosmo Gavarion System Voice / Gavarion Trigger System Voice
2026Super Space Sheriff Gavan Infinity: Jo-Chaku Course as Gavarion Trigger System Voice (voice)
2025Demon Slayer: Kimetsu no Yaiba Infinity Castle as Muzan Kibutsuji (voice)
2024Nintama Rantarō: Invincible Master of the Dokutake Ninja as Hansuke Doi (voice)
2023The Birth of Kitaro: The Mystery of GeGeGe as Kitarou's Father (voice)
2023Black Clover: Sword of the Wizard King as Conrad Leto (voice)
2022Demon Slayer: Kimetsu no Yaiba - Asakusa Arc as Muzan Kibutsuji (voice)
2021My 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)

2020Kamen Rider Den-O: The Birth of Pretty Den-O! as Momotaros (voice)

2019Demon Slayer: Kimetsu no Yaiba - Sibling's Bond as Muzan Kibutsuji (voice)

2018Kamen Rider Heisei Generations Forever as Momotaros / Kamen Rider Den-O Sword Form (voice)

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2017Mazinger Z: Infinity as Tetsuya Tsurugi (voice)
2017Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- as Momotaros
2017Kamen Rider × Super Sentai: Ultra Super Hero Wars as Momotaros - Kamen Rider Den-O Sword Form (voice)
2016Naruto OVA 12: The Day Naruto Became Hokage as Iruka Umino (voice)
2015Mobile Suit Gundam: The Origin II – Artesia's Sorrow as Char Aznable (voice)
2014Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai as Kamen Rider Den-O Sword Form (voice)
2013Hunter x Hunter: The Last Mission as Wing (voice)
2013Higurashi: When They Cry - Outbreak as Kyousuke Irie (voice)
2012Road to Ninja: Naruto the Movie as Iruka Umino (voice)
2012Kamen Rider × Super Sentai: Super Hero Wars as Momotaros - Kamen Rider Den-O Sword Form (voice)
2011Detective Conan: Quarter of Silence as Shogo Hikawa (voice)
2011OOO, Den-O, All Riders: Let's Go Kamen Riders as Momotaros / Kamen Rider Den-O Sword Form (voice)
2011Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! as Hansuke Doi (voice)
2011OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~ as Momotaros (voice)
2010Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010
2010Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates as Momotaros (voice)
2010Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral as Momotaros (voice)
2010Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle as Momotaros (voice)
2010Kamen Rider Decade: Final Stage as Momotaros / Kamen Rider Den-O (Sword Form)
2009Kamen Rider × Kamen Rider W & Decade: Movie War 2010 as Kamen Rider Den-O (voice)
200910th Anniversary Project: Masked Rider LIVE & SHOW as Kamen Rider Den-O Sword Form (voice)
2009Kamen Rider Decade: All Riders vs. Dai-Shocker as Momotaros / Kamen Rider Den-O (voice)
2009Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship as Momotaros (voice)
2009Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- as Momotaros (voice)
2009Kamen Rider Kiva & Den-O: DenLiner, Into Space! as Momotaros (voice)
2008Imagin Anime: Momotaros Forever!/Imajin Terminal Station as Momotaros (voice)
2008Farewell Kamen Rider Den-O: Final Countdown as Momotaros (voice)
2008Kamen Rider Kiva: King of the Castle in the Demon World as Penetentiary Officer Sanjo
2008Momotaros' King of the Crimson Castle as Momotaros (voice)
2008Kamen Rider Den-O: Final Trilogy Special Edition as Momotaros (voice)
2008Kamen Rider Den-O & Kiva: Climax Deka as Momotaros (voice)
2007Kamen Rider Den-O: Final Stage as Momotaros
2007Kamen Rider Den-O: Singing, Dancing, Great Training!! as Momotaros (voice)
2007Kamen Rider Den-O The Movie: I'm Born! as Momotaros (voice)
2007Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!! as Momotaros (voice)
2007Momotaros' Summer Vacation as Momotaros (voice)
2004Paranoia Agent: Part 1 as まにわみつひろ
2002Saiyuki Interactive
2002Animation Store Manager as Ryuu Raiba (voice)
2001Saiyuki: Requiem as Genjo Sanzo (voice)
2000Reign: The Conqueror Movie as Alexander
2000Baby Felix & Friends as Felix The Cat
1998Gundam Wing: The Endless Waltz as Duo Maxwell (voice)
1997Twilight of the Dark Master as Shijo Tsunami (voice)
1997Chimera: Angel of Death as Ron (voice)
1996Ultraman Super Fighter Legend as Ultraseven / Ultraman Leo (voice)
1996X as Shougo
1996Yawara! Atlanta Special
1996Violinist of Hamelin: The Movie as Raiel (voice)
1996The End of the Century Darling as Todorokki Kouhei (voice)
1995Bio Hunter as Komada
1994Wild 7: Biker Knights as Dairoku Hiba
1994The Irresponsible Captain Tylor: Tylor's War as Ru Baraba Dom (voice)
1994I'm Not an Angel! as Bunta Kouno (voice)
1994Love Wedge 2 as Riki (voice)
1994Dorami-chan: A Blue Straw Hat as Crow (voice)
1994Genocyber as Sakomizu (voice)
1993Ocean Waves as Yutaka Matsuno (voice)
1993Suikoden Demon Century as Takateru Suga (voice)
1993Kiss Me on the Apple of My Eye as Naoto (voice)
1993Ninja Scroll as Yurimaru (voice)
1992Download: Devil's Circuit as Sid (voice)
1992Oruorane the Cat Player as The Cellist
1992Love Wedge 1 as Riki (voice)
1992Ranma 1/2 the Movie 2: Nihao My Concubine as Mousse (voice)
1992Yawara! Go Get 'Em, Wimpy Kids!! as (voice)
1992Calico Cat Holmes and the Lord of the Haunted Castle as Yoshitaro Katayama (voice)
1992The Weathering Continent as Tieh (voice)
1991Moonlight Pierce as Hiroshi Takama (voice)
1991Inferious Interplanetary War Chronicle - Condition Green as Soo Laform (voice)
1991Ranma 1/2 the Movie: Big Trouble in Nekonron, China as Mousse (voice)
1991Handsome Girl as Ichiya Kumagai (voice)
1991Yuukan Club
1991Nadia: The Secret of Blue Water - The Motion Picture as Falt (voice)
1991Nadia: The Secret of Blue Water - Nautilus Story II as Fate (voice)
1991Trusty Ginjiro as Hideki Mitsui (voice)
1991Hisashi Eguchi's Kotobuki Goro Show as Piston Akagi (voice)
1990TOKYO CITY Melhen 2
1990Marina the Manga Artist Goes to Camelot as Bijomaru Shizuka (voice)
1990Midoriyama High School, Koshien Edition (Movie)
1990Milky Passion: Dougenzaka - The Castle of Love as Ootsuki (voice)
1990Goddamn as Hans Schultz
1990Heart-Coloured Killer Ticket as Chuta Misora (voice)
1990Ryokunohara Labyrinth - Sparkling Phantom as Hiroki Imashi
1989Demon Hunter Makaryūdo as Shou Kurogane (voice)
1989Angel Cop as Tachihara (voice)
1989Cinderella Express as Yuji Shimano
1989Scarlet Demon
1989Hades Project: Zeorymer Extinction as Masato Akitsu / Masaki Kihara (voice)
1988Kaze wo Nuke!
1988Hades Project: Zeorymer Separation as Masaki Kihara (voice), Masato Akitsu (voice)
1988Dragon Century as Carmine (voice)
1988Sunlight All Around! Ka - su - mi: You Were in My Dreams as Reporter B (voice)
1988Zillion: Burning Night as J.J. (voice)
1988Balthus: Tia's Radiance as Eud (voice)
1987The Samurai as Takeshi Chimatsuri
1987TO-Y as Shouji (voice)
1987Maryuu Senki
1987Campus Special Investigator Hikaruon as Hikaru Shihodo / Hikaruon (voice)
1986Castle in the Sky as (voice)
1986Call Me Tonight as Hayata (voice)

Behind the camera2

2009Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship Theme Song Performance
2008Kamen Rider Den-O & Kiva: Climax Deka Theme Song Performance