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
Kamen Rider
Kamen Rider
Bleach
Demon Slayer: Kimetsu no Yaiba Infinity Castle
Naruto
Hunter x Hunter
Ranma1/2
Mob Psycho 100
All Movies (113)
- Super Space Sheriff Gavan Infinity: The Day the Sun Cried2026 · as Cosmo Gavarion System Voice / Gavarion Trigger System Voice
- Super Space Sheriff Gavan Infinity: Jo-Chaku Course2026 · as Gavarion Trigger System Voice (voice)
- Demon Slayer: Kimetsu no Yaiba Infinity Castle2025 · as Muzan Kibutsuji (voice)
- Nintama Rantarō: Invincible Master of the Dokutake Ninja2024 · as Hansuke Doi (voice)
- The Birth of Kitaro: The Mystery of GeGeGe2023 · as Kitarou's Father (voice)
- Black Clover: Sword of the Wizard King2023 · as Conrad Leto (voice)
- Demon Slayer: Kimetsu no Yaiba - Asakusa Arc2022 · as Muzan Kibutsuji (voice)
- My Hero Academia: World Heroes' Mission2021 · as Eddie Soul (voice)
- Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles2021 · 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 Bond2019 · as Muzan Kibutsuji (voice)
- Kamen Rider Heisei Generations Forever2018 · as Momotaros / Kamen Rider Den-O Sword Form (voice)
- Mazinger Z: Infinity2017 · 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 Wars2017 · as Momotaros - Kamen Rider Den-O Sword Form (voice)
- Naruto OVA 12: The Day Naruto Became Hokage2016 · as Iruka Umino (voice)
- Mobile Suit Gundam: The Origin II - Artesia's Sorrow2015 · as Char Aznable (voice)
- Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai2014 · as Kamen Rider Den-O Sword Form (voice)
- Hunter x Hunter: The Last Mission2013 · as Wing (voice)
- Higurashi: When They Cry - Outbreak2013 · as Kyousuke Irie (voice)
- Road to Ninja: Naruto the Movie2012 · as Iruka Umino (voice)
- Kamen Rider × Super Sentai: Super Hero Wars2012 · as Momotaros - Kamen Rider Den-O Sword Form (voice)
- Detective Conan: Quarter of Silence2011 · as Shogo Hikawa (voice)
- OOO, Den-O, All Riders: Let's Go Kamen Riders2011 · 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 20102010
- Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates2010 · as Momotaros (voice)
- Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral2010 · as Momotaros (voice)
- Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle2010 · as Momotaros (voice)
- Kamen Rider Decade: Final Stage2010 · as Momotaros / Kamen Rider Den-O (Sword Form)
- Kamen Rider × Kamen Rider W & Decade: Movie War 20102009 · as Kamen Rider Den-O (voice)
- 10th Anniversary Project: Masked Rider LIVE & SHOW2009 · as Kamen Rider Den-O Sword Form (voice)
- Kamen Rider Decade: All Riders vs. Dai-Shocker2009 · as Momotaros / Kamen Rider Den-O (voice)
- Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship2009 · as Momotaros (voice)
- 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 Station2008 · as Momotaros (voice)
- Farewell Kamen Rider Den-O: Final Countdown2008 · as Momotaros (voice)
- Kamen Rider Kiva: King of the Castle in the Demon World2008 · as Penetentiary Officer Sanjo
- Momotaros' King of the Crimson Castle2008 · as Momotaros (voice)
- Kamen Rider Den-O: Final Trilogy Special Edition2008 · as Momotaros (voice)
- Kamen Rider Den-O & Kiva: Climax Deka2008 · as Momotaros (voice)
- Kamen Rider Den-O: Final Stage2007 · 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)
- Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!2007 · as Momotaros (voice)
- Momotaros' Summer Vacation2007 · as Momotaros (voice)
- Paranoia Agent: Part 12004 · as まにわ みつひろ
- Saiyuki Interactive2002
- Animation Store Manager2002 · as Ryuu Raiba (voice)
- Saiyuki: Requiem2001 · as Genjo Sanzo (voice)
- Reign: The Conqueror Movie2000 · as Alexander
- Baby Felix & Friends2000 · as Felix The Cat
- Gundam Wing: The Endless Waltz1998 · as Duo Maxwell (voice)
- Twilight of the Dark Master1997 · as Shijo Tsunami (voice)
- Chimera: Angel of Death1997 · as Ron
- Ultraman Super Fighter Legend1996 · as Ultraseven / Ultraman Leo (voice)
- X: The Movie1996 · as Shougo
- Yawara! Atlanta Special1996
- Violinist of Hamelin: The Movie1996 · as Raiel (voice)
- The End of the Century Darling1996 · as Todorokki Kouhei (voice)
- Bio Hunter1995 · as Komada
- Wild 7: Biker Knights1994 · as Dairoku Hiba
- I'm Not an Angel!1994 · as Bunta Kouno (voice)
- Love Wedge 21994 · as Riki (voice)
- Dorami-chan: A Blue Straw Hat1994 · as Crow (voice)
- Genocyber1994 · as Sakomizu (voice)
- Ocean Waves1993 · as Yutaka Matsuno (voice)
- Suikoden Demon Century1993 · as Takateru Suga (voice)
- Kiss Me on the Apple of My Eye1993 · as Naoto (voice)
- Ninja Scroll1993 · as Yurimaru (voice)
- Download: Devil's Circuit1992 · as Sid (voice)
- Oruorane the Cat Player1992 · as The Cellist
- Love Wedge 11992 · as Riki (voice)
- Ranma 1/2 the Movie 2: Nihao My Concubine1992 · as Mousse (voice)
- Yawara! Go Get 'Em, Wimpy Kids!!1992 · as (voice)
- Calico Cat Holmes and the Lord of the Haunted Castle1992 · as Yoshitaro Katayama (voice)
- The Weathering Continent1992 · as Tieh (voice)
- Moonlight Pierce1991 · as Hiroshi Takama (voice)
- Inferious Interplanetary War Chronicle - Condition Green1991 · as Soo Laform (voice)
- Ranma 1/2 the Movie: Big Trouble in Nekonron, China1991 · as Mousse (voice)
- Handsome Girl1991 · as Ichiya Kumagai (voice)
- Yuukan Club1991
- Nadia: The Secret of Blue Water - The Motion Picture1991 · as Falt (voice)
- Nadia: The Secret of Blue Water - Nautilus Story II1991 · as Fate (voice)
- Trusty Ginjiro1991 · as Hideki Mitsui (voice)
- Hisashi Eguchi's Kotobuki Goro Show1991 · as Piston Akagi (voice)
- TOKYO CITY Melhen 21990
- Marina the Manga Artist Goes to Camelot1990 · as Bijomaru Shizuka (voice)
- Midoriyama High School, Koshien Edition (Movie)1990
- Milky Passion: Dougenzaka - The Castle of Love1990 · as Ootsuki (voice)
- Goddamn1990 · as Hans Schultz
- Heart-Coloured Killer Ticket1990 · as Chuta Misora (voice)
- Ryokunohara Labyrinth - Sparkling Phantom1990 · as Hiroki Imashi
- Demon Hunter Makaryūdo1989 · as Shou Kurogane (voice)
- Angel Cop1989 · as Tachihara (voice)
- Cinderella Express1989 · as Yuji Shimano
- Scarlet Demon1989
- Hades Project: Zeorymer Extinction1989 · as Masato Akitsu / Masaki Kihara (voice)
- Kaze wo Nuke!1988
- Hades Project: Zeorymer Separation1988 · as Masaki Kihara (voice)
- Hades Project: Zeorymer Separation1988 · as Masato Akitsu (voice)
- Dragon Century1988 · as Carmine (voice)
- Sunlight All Around! Ka - su - mi: You Were in My Dreams1988 · as Reporter B (voice)
- Zillion: Burning Night1988 · as J.J. (voice)
- Balthus: Tia's Radiance1988 · as Eud (voice)
- The Samurai1987 · as Takeshi Chimatsuri
- TO-Y1987 · as Shouji (voice)
- Maryuu Senki1987
- Campus Special Investigator Hikaruon1987 · as Hikaru Shihodo / Hikaruon (voice)
- Castle in the Sky1986 · as Additional Voices (voice)
- Call Me Tonight1986 · as Hayata (voice)
All TV Shows (133)
- My Ribdiculous Reincarnation2026
- PROJECT R.E.D.2026 · as GavarionTrigger / CosmoGavarion (voice)
- SANDA2025 · as Hifumi Ōshibu (voice)
- U Takes Terra2025 · as Chongyue (Voice)
- Mashin Creator Wataru2025 · as Mr. Liar (voice)
- I Have a Crush at Work2025 · as Pastor (voice)
- Good Bye, Dragon Life2024 · as Dio (voice)
- Ranma1/22024 · as Mousse (voice)
- I Parry Everything2024 · as Carew (voice)
- Kaiju No. 82024 · as Kaiju No. 11 (voice)
- Onimusha2023 · as Kojiro Sasaki (voice)
- PLUTO2023 · as Sahad (voice)
- PLUTO2023 · as Pluto (voice)
- The Most Heretical Last Boss Queen: From Villainess to Savior2023 · as Clark Darwin (voice)
- Rurouni Kenshin2023 · as Narration (voice)
- HIGH CARD2023 · as Norman Kingstat (voice)
- Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-O2022 · as Momotaros (voice)
- Higurashi: When They Cry - NEW2020 · as Kyousuke Irie (voice)
- The Misfit of Demon King Academy2020 · as Ahide Alobo Agatze (voice)
- Ascendance of a Bookworm2019 · as Eustachius (voice)
- SAINT SEIYA: Knights of the Zodiac2019 · as Scorpio Milo (voice)
- Sarazanmai2019 · as Yuri Kamome
- Demon Slayer: Kimetsu no Yaiba2019 · as Muzan Kibutsuji (voice)
- Star☆Twinkle PreCure2019 · as Toto Hagoromo (voice)
- Saint Seiya: Saintia Sho2018 · as Scorpio Milo (voice)
- Golden Kamuy2018 · as Kazuo Henmi (voice)
- SWORD GAI: The Animation2018 · as Miura Takuma
- The Ryuo's Work is Never Done!2018 · as Kiyotaki Kousuke (voice)
- THE REFLECTION2017 · as Michael Holden (voice)
- The Laughing Salesman NEW2017 · as Shisao Kihara(Story2)
- To Be Hero2016 · as Chinese Tohoku Muffler (voice)
- Mob Psycho 1002016 · as Morizo Ebihara (voice)
- Mob Psycho 1002016 · as Musashi Goda (voice)
- Showa Genroku Rakugo Shinju2016 · as Eisuke Higuchi (voice)
- Saint Seiya: Soul of Gold2015 · as Scorpio Milo (voice)
- Cross Ange: Rondo of Angels and Dragons2014 · as Embryo (voice)
- Space Dandy2014 · as Public Prosecutor (voice)
- Gingitsune: Messenger Fox of the Gods2013 · as Tatsuo Saeki (voice)
- 声優戦隊ボイストーム72013 · as (voice)
- Triple Combination: Transformers Go!2013 · as Gekisōmaru (voice)
- Glitter Force2012 · as Hiroshi Hoshizora
- Guilty Crown2011 · as Kurosu Ouma (voice)
- Hunter x Hunter2011 · as Wing (voice)
- Saiyuki Gaiden2011 · as Konzen Dōji (voice)
- Psychic Detective Yakumo2010 · as Isshin Saitō
- Katanagatari2010 · as Umigame Maniwa (voice)
- Dogs: Bullets & Carnage2009 · as Ernst Rammsteiner
- Cookin' Idol Ai! Mai! Main!2009 · as 柊修
- A Certain Magical Index2008 · as Aleister Crowley (voice)
- Momotaros' King of the Crimson Castle2008 · as Momotaros (voice)
- Blade of the Immortal2008 · as Souri (voice)
- Sekirei2008 · as Hiroto Minaka
- Kamen Rider Den-O: Imagin Anime2008 · as Momotaros (voice)
- Saiyuki Reload: Burial2007 · as Genjō Sanzō (voice)
- Naruto Shippūden2007 · as Iruka Umino (voice)
- Kamen Rider Den-O2007 · as Momotaros (voice)
- Shonen Onmyouji2006
- Loving Angel Angelique2006 · as Luva
- Higurashi: When They Cry2006 · as Kyousuke Irie (voice)
- My-Otome2005 · as Rad (voice)
- MÄR: Märchen Awakens Romance2005 · as Danna Toramizu
- Gin'yuu Mokushiroku Meine Liebe2004 · as Ludwig Herzog von Mohn nahe Liechtenstein (voice)
- Bleach2004 · as Aaroniero Arruruerie (voice)
- My-Hime2004 · as Reito Kanzaki (voice)
- Samurai Champloo2004 · as Yamane (voice)
- Paranoia Agent2004 · as Mitsuhiro Maniwa (voice)
- Requiem from the Darkness2003 · as Momosuke Yamaoka (voice)
- Saint Seiya: The Hades Chapter2002 · as Milo (voice)
- Mobile Suit Gundam SEED2002 · as Rau Le Creuset (voice)
- Mobile Suit Gundam SEED2002 · as Rey Za Burrel (voice)
- Naruto2002 · as Iruka Umino (voice)
- Angelique: Twin Collection2002 · as Luva (voice)
- Mirage of Blaze2002 · as Takaya Ohgi (voice)
- Descendants of Darkness2000 · as Yutaka Watari (voice)
- Saiyuki2000 · as Genjo Sanzo (voice)
- Saiyuki2000 · as Konzen Douji (voice)
- Reign: The Conqueror1999 · as Alexander (voice)
- Pet Shop of Horrors1999 · as Count D (voice)
- Bビーダマン爆外伝V1999 · as Kurobon
- Harlock Saga - The Ring of the Nibelungs1999
- Nightwalker: The Midnight Detective1998 · as Bait
- TRIGUN1998 · as Legato Bluesummers (voice)
- Bomberman B-Daman Bakugaiden1998
- Outlaw Star1998 · as Fred (voice)
- Dragoon1997 · as Rain Keeves Fearudo (voice)
- Hakugei: Legend of the Moby Dick1997
- Hyper Police1997 · as Sakunoshin Chikura
- B'T X1996 · as Quatro (voice)
- The Legend of Zorro1996 · as Don Diego de la Vega / Zorro
- Special Duty Combat Unit Shinesman1996 · as Shujin Seki (voice)
- Mobile Suit Gundam Wing1995 · as Duo Maxwell (voice)
- Udauda Yatteru Hima wa Nee!1995 · as (voice)
- Wild 71994 · as Dairoku Hiba
- The Irresponsible Captain Tylor OVA1994 · as Dom (voice)
- Natsuki Crisis1994 · as Kyōtarō Himuro
- Please Save My Earth1993 · as Mikuro Yakushimaru (voice)
- Black Jack1993 · as Tokio Umetani (voice)
- Aoki Densetsu Shoot!1993 · as Akihiko Himuro (voice)
- Ninja Boy Rantaro1993 · as Hansuke Doi
- The Irresponsible Captain Tylor1993 · as Ru Baraba Dom
- D-1 Devastator1992 · as 谷田辺了
- Ai no Kusabi1992 · as Riki (voice)
- Bastard!!1992
- Princess Army: Wedding Combat1992 · as Yuuya Hashiba
- Nyūin Bokki Monogatari Ojiji ni!1991
- Here Is Greenwood1991 · as Shinobu Tezuka (voice)
- Izumo1991 · as Izumo (voice)
- Legend of Heavenly Sphere Shurato: The Secret Feud of Creation1991 · as Shurato
- Detonator Orgun1991 · as Knock
- Blazing Transfer Student1991 · as Noboru Takizawa (voice)
- Akai Hayate1991
- Future GPX Cyber Formula1991 · as Jotaro Kaga
- Hakkenden: Legend of the Dog Warriors1990 · as Shino Inuzuka (voice)
- Goddamn1990 · as Hans Schultz
- Nadia: The Secret of Blue Water1990 · as Fejto (voice)
- Yawara!1989 · as Matsuda / Eiji (voice)
- Darkness of the Sea, Shadow of the Moon1989 · as Katsuyuki Touma (voice)
- Dash! Yonkuro1989
- Star Cat Full House1989
- Ranma ½1989 · as Mousse (voice)
- Madö King Granzört1989 · as Grunwald
- Shurato1989 · as Shurato
- Nightsong of Splendor1989
- Hades Project Zeorymer1988 · as (voice)
- Armor Hunter Merowlink1988 · as PFC Cepres
- Dragon Century1988 · as Carmine
- Spirit Warrior1988 · as Kujaku (voice)
- F1988 · as Gunma Akagi (voice)
- Zillion1987 · as JJ
- Evil Dragon War Chronicles1987 · as 錦繍 (voice)
- Magical Emi, the Magic Star1985 · as Customer A (voice)
- Kamen Rider1971 · as Kamen Rider Den-O (voice)
- Kamen Rider1971 · as Momotaros (voice)