About
Toshihiko Seki
Overview
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 |
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| 2025 | SANDA | Actor | Hifumi Ōshibu (voice) | N/A N/A |
| 2025 | Demon Slayer: Kimetsu no Yaiba Infinity Castle | Actor | Muzan Kibutsuji (voice) | 60 Fair |
| 2024 | Nintama Rantarō: Invincible Master of the Dokutake Ninja | Actor | Hansuke Doi (voice) | 58 Average |
| 2024 | I Parry Everything | Actor | Carew (voice) | 73 Good |
| 2023 | The Birth of Kitaro: The Mystery of GeGeGe | Actor | Kitarou's Father (voice) | 59 Average |
| 2023 | Onimusha | Actor | Kojiro Sasaki (voice) | 73 Good |
| 2023 | The Most Heretical Last Boss Queen: From Villainess to Savior | Actor | Clark Darwin (voice) | 75 Good |
| 2023 | Black Clover: Sword of the Wizard King | Actor | Conrad Leto (voice) | 67 Fair |
| 2022 | Demon Slayer: Kimetsu no Yaiba — Asakusa Arc | Actor | Muzan Kibutsuji (voice) | 60 Fair |
| 2022 | Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-O | Actor | Momotaros (voice) | 70 Good |
| 2021 | My Hero Academia: World Heroes' Mission | Actor | Eddie Soul (voice) | 67 Fair |
| 2021 | Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles | Actor | Momotaros (voice) / Kamen Rider Den-O (voice) | 58 Average |
| 2020 | Higurashi: When They Cry - NEW | Actor | Kyousuke Irie (voice) | 72 Good |
| 2020 | Kamen Rider Den-O: The Birth of Pretty Den-O! | Actor | Momotaros | 58 Average |
| 2019 | Demon Slayer: Kimetsu no Yaiba — Sibling's Bond | Actor | Muzan Kibutsuji (voice) | 64 Fair |
| 2019 | Star☆Twinkle Precure | Actor | (voice) | 71 Good |
| 2018 | Kamen Rider Heisei Generations Forever | Actor | Momotaros / Kamen Rider Den-O Sword Form (voice) | 58 Average |
| 2018 | Saint Seiya: Saintia Sho | Actor | Scorpio Milo (voice) | 74 Good |
| 2018 | Golden Kamuy | Actor | Kazuo Henmi (voice) | 73 Good |
| 2018 | The Ryuo's Work is Never Done! | Actor | Kiyotaki Kousuke (voice) | 68 Fair |
| 2017 | Mazinger Z: Infinity | Actor | Tetsuya Tsurugi (voice) | 62 Fair |
| 2017 | Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- | Actor | Momotaros | N/A N/A |
| 2017 | The Laughing Salesman NEW | Actor | Shisao Kihara(Story2) | 69 Fair |
| 2017 | Kamen Rider × Super Sentai: Ultra Super Hero Wars | Actor | Momotaros - Kamen Rider Den-O Sword Form (voice) | 58 Average |
| 2016 | Naruto OVA 13: The Day Naruto Became Hokage | Actor | Iruka Umino (voice) | 60 Fair |
| 2016 | Showa Genroku Rakugo Shinju | Actor | Eisuke Higuchi (voice) | 74 Good |
| 2015 | Mobile Suit Gundam: The Origin II - Artesia's Sorrow | Actor | Char Aznable (voice) | 59 Average |
| 2015 | Wild Adapter | Actor | Kou | N/A N/A |
| 2015 | Saint Seiya: Soul of Gold | Actor | Scorpio Milo (voice) | 79 Good |
| 2014 | Cross Ange: Rondo of Angels and Dragons | Actor | Embryo (voice) | 78 Good |
| 2014 | Kill la Kill: Goodbye Once Again | Actor | Senketsu (voice) | N/A N/A |
| 2014 | Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai | Actor | Kamen Rider Den-O Sword Form (voice) | 58 Average |
| 2013 | Hunter x Hunter: The Last Mission | Actor | Wing (voice) | 61 Fair |
| 2013 | Gingitsune: Messenger Fox of the Gods | Actor | Tatsuo Saeki (voice) | 70 Good |
| 2013 | 声優戦隊ボイストーム7 | Actor | (voice) | N/A N/A |
| 2013 | Higurashi: When They Cry - Kaku: Outbreak | Actor | Kyousuke Irie (voice) | 59 Average |
| 2013 | Triple Combination: Transformers Go! | Actor | Gekisōmaru (voice) | 69 Fair |
| 2013 | 機動戦士ガンダムSEED DESTINY HDリマスター | Actor | レイ・ザ・バレル | N/A N/A |
| 2012 | Road to Ninja: Naruto the Movie | Actor | Iruka Umino (voice) | 69 Fair |
| 2012 | Kamen Rider × Super Sentai: Super Hero Wars | Actor | Momotaros - Kamen Rider Den-O Sword Form (voice) | 58 Average |
| 2012 | Smile PreCure! | Actor | Hiroshi Hoshizora | 71 Good |
| 2012 | 機動戦士ガンダムSEED HDリマスター | Actor | N/A N/A |
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| 2011 | 機動戦士ガンダムSEED HDリマスター | Actor | 69 Fair |
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| 2011 | 機動戦士ガンダムSEED - HDリマスター | Actor | 雷·扎·巴雷尔 | 70 Good |
| 2011 | Detective Conan: Quarter of Silence | Actor | Shogo Hikawa (voice) | 61 Fair |
| 2011 | OOO, Den-O, All Riders: Let's Go Kamen Riders | Actor | Momotaros / Kamen Rider Den-O Sword Form (voice) | 58 Average |
| 2011 | Saiyuki Gaiden | Actor | Konzen Dōji (voice) | 68 Fair |
| 2011 | Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! | Actor | Hansuke Doi (voice) | 58 Average |
| 2011 | OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~ | Actor | Momotaros (voice) | N/A N/A |
| 2010 | Psychic Detective Yakumo | Actor | Isshin Saitō | 68 Fair |
| 2010 | Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010 | Actor | N/A N/A |
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| 2010 | Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates | Actor | Momotaros (voice) | 58 Average |
| 2010 | Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral | Actor | Momotaros (voice) | 58 Average |
| 2010 | Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle | Actor | Momotaros (voice) | 58 Average |
| 2010 | Katanagatari | Actor | Umigame Maniwa (voice) | 71 Good |
| 2010 | Kamen Rider Decade: Final Stage | Actor | Momotaros / Kamen Rider Den-O (Sword Form) | N/A N/A |
| 2009 | Kamen Rider × Kamen Rider W & Decade: Movie War 2010 | Actor | Kamen Rider Den-O (voice) | 58 Average |
| 2009 | 10th Anniversary Project: Masked Rider LIVE & SHOW | Actor | Kamen Rider Den-O Sword Form (voice) | N/A N/A |
| 2009 | Kamen Rider Decade: All Riders vs. Dai-Shocker | Actor | Momotaros / Kamen Rider Den-O (voice) | 58 Average |
| 2009 | Dogs: Bullets & Carnage | Actor | Ernst Rammsteiner | 68 Fair |
| 2009 | Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship | Actor | Momotaros (voice) | 58 Average |
| 2009 | Cookin' Idol Ai! Mai! Main! | Actor | 柊修 | 70 Good |
| 2009 | Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- | Actor | Momotaros (voice) | N/A N/A |
| 2008 | Imagin Anime: Momotaros Forever!/Imajin Terminal Station | Actor | Momotaros (voice) | N/A N/A |
| 2008 | Farewell Kamen Rider Den-O: Final Countdown | Actor | Momotaros (voice) | 58 Average |
| 2008 | Momotaros' King of the Crimson Castle | Actor | Momotaros (voice) | N/A N/A |
| 2008 | Kamen Rider Den-O: Final Trilogy Special Edition | Actor | Momotaros (voice) | N/A N/A |
| 2008 | Momotaros' King of the Crimson Castle | Actor | Momotaros (voice) | N/A N/A |
| 2008 | Sekirei | Actor | Hiroto Minaka | 70 Good |
| 2008 | Kamen Rider Den-O: Imagin Anime | Actor | Momotaros (voice) | 69 Fair |
| 2008 | Kamen Rider Den-O & Kiva: Climax Deka | Actor | Momotaros (voice) | 58 Average |
| 2007 | Kamen Rider Den-O: Final Stage | Actor | Momotaros | N/A N/A |
| 2007 | Kamen Rider Den-O: Singing, Dancing, Great Training!! | Actor | Momotaros (voice) | N/A N/A |
| 2007 | Kamen Rider Den-O The Movie: I'm Born! | Actor | Momotaros (voice) | 58 Average |
| 2007 | Momotaros' Summer Vacation | Actor | Momotaros (voice) | N/A N/A |
| 2007 | Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!! | Actor | Momotaros (voice) | N/A N/A |
| 2007 | Kamen Rider Den-O | Actor | Momotaros / Kamen Rider Den-O Sword Form (Voice) | 70 Good |
| 2007 | Saiyuki Reload: Burial | Actor | Genjō Sanzō (voice) | 69 Fair |
| 2007 | Kamen Rider Den-O | Actor | Momotaros (voice) | N/A N/A |
| 2005 | MÄR: Märchen Awakens Romance | Actor | Danna Toramizu | 70 Good |
| 2004 | Gin'yuu Mokushiroku Meine Liebe | Actor | Ludwig Herzog von Mohn nahe Liechtenstein (voice) | 68 Fair |
| 2004 | 機動戦士ガンダムシードデスティニー | Actor | Rey Za Burrel (voice) | N/A N/A |
| 2004 | My-Hime | Actor | Reito Kanzaki (voice) | 69 Fair |
| 2004 | Samurai Champloo | Actor | Yamane (voice) | 81 Very good |
| 2004 | Paranoia Agent | Actor | Mitsuhiro Maniwa (voice) | 78 Good |
| 2003 | Requiem from the Darkness | Actor | Momosuke Yamaoka (voice) | 69 Fair |
| 2002 | Mobile Suit Gundam SEED | Actor | Rey Za Burrel (voice) | 72 Good |
| 2002 | Naruto | Actor | Iruka Umino (voice) | 83 Very good |
| 2002 | Saiyuki Interactive | Actor | N/A N/A |
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| 2002 | Animation Store Manager | Actor | Ryuu Raiba (voice) | 58 Average |
| 2002 | Angelique: Twin Collection | Actor | Luva (voice) | N/A N/A |
| 2002 | Mirage of Blaze | Actor | Takaya Ohgi (voice) | 68 Fair |
| 2001 | Saiyuki: Requiem | Actor | Genjo Sanzo (voice) | 58 Average |
| 2000 | Reign: The Conqueror Movie | Actor | Alexander | 59 Average |
| 2000 | Descendants of Darkness | Actor | Yutaka Watari (voice) | 68 Fair |
| 2000 | Vampire Hunter D: Bloodlust | Actor | Grove Marcus | 69 Fair |
| 2000 | Saiyuki | Actor | Genjo Sanzo (voice) | 68 Fair |
| 2000 | Baby Felix & Friends | Actor | Felix The Cat | 59 Average |
| 1999 | Reign: The Conqueror | Actor | Alexander (voice) | 67 Fair |
| 1999 | Pet Shop of Horrors | Actor | Count D | 69 Fair |
| 1999 | Bビーダマン爆外伝V | Actor | Kurobon | N/A N/A |
| 1999 | Harlock Saga - The Ring of the Nibelungs | Actor | 69 Fair |
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| 1998 | Blue Submarine No. 6 - The Movie | Actor | Katsuma Nonaka | 60 Fair |
| 1998 | Gundam Wing: The Endless Waltz | Actor | Duo Maxwell (voice) | 59 Average |
| 1998 | Nightwalker: The Midnight Detective | Actor | Bait | 68 Fair |
| 1998 | Outlaw Star | Actor | Fred (voice) | 72 Good |
| 1997 | Macross Dynamite Seven | Actor | Loschier (voice) | 60 Fair |
| 1997 | Twilight of the Dark Master | Actor | Shijo Tsunami (voice) | 58 Average |
| 1997 | Chimera: Angel of Death | Actor | Ron | 59 Average |
| 1997 | I Dream of Mimi | Actor | Master | 60 Fair |
| 1997 | Dragoon | Actor | Rain Keeves Fearudo (voice) | 69 Fair |
| 1997 | Hakugei: Legend of the Moby Dick | Actor | 70 Good |
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| 1997 | Hyper Police | Actor | Sakunoshin Chikura | 70 Good |
| 1997 | Mobile Suit Gundam Wing: Endless Waltz | Actor | Duo Maxwell (voice) | 69 Fair |
| 1997 | Mobile Suit Gundam Wing: Endless Waltz | Actor | Duo Maxwell | 75 Good |
| 1996 | Ultraman Super Fighter Legend | Actor | Ultraseven / Ultraman Leo (voice) | N/A N/A |
| 1996 | X: The Movie | Actor | Shougo | 58 Average |
| 1996 | Yawara! Atlanta Special | Actor | 59 Average |
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| 1996 | Violinist of Hamelin: The Movie | Actor | Raiel (voice) | N/A N/A |
| 1996 | B'T X | Actor | Quatro (voice) | 76 Good |
| 1996 | The Legend of Zorro | Actor | Don Diego de la Vega / Zorro | 69 Fair |
| 1996 | Special Duty Combat Unit Shinesman | Actor | Shujin Seki (voice) | N/A N/A |
| 1996 | The End of the Century Darling | Actor | Todorokki Kouhei (voice) | 58 Average |
| 1995 | Bio Hunter | Actor | Komada | 58 Average |
| 1995 | Mobile Suit Gundam Wing | Actor | Duo Maxwell (voice) | 73 Good |
| 1995 | Udauda Yatteru Hima wa Nee! | Actor | (voice) | N/A N/A |
| 1994 | Wild 7: Biker Knights | Actor | Dairoku Hiba | 59 Average |
| 1994 | Wild 7 | Actor | Dairoku Hiba | 69 Fair |
| 1994 | The Irresponsible Captain Tylor OVA | Actor | Dom (voice) | 69 Fair |
| 1994 | I'm Not an Angel! | Actor | Bunta Kouno (voice) | 58 Average |
| 1994 | Love Wedge 2 | Actor | Riki (voice) | 59 Average |
| 1994 | Dorami-chan: A Blue Straw Hat | Actor | 58 Average |
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| 1994 | Genocyber | Actor | Sakomizu (voice) | 58 Average |
| 1994 | Natsuki Crisis | Actor | Kyōtarō Himuro (voice) | N/A N/A |
| 1994 | Natsuki Crisis | Actor | Kyōtarō Himuro | 69 Fair |
| 1994 | なつきクライシス | Actor | 氷室狂太郎 | N/A N/A |
| 1993 | Please Save My Earth | Actor | Mikuro Yakushimaru (voice) | 68 Fair |
| 1993 | Aoki Densetsu Shoot! | Actor | Akihiko Himuro | 69 Fair |
| 1993 | Ranma ½ OAV | Actor | Mousse (voice) | N/A N/A |
| 1993 | Ocean Waves | Actor | Yutaka Matsuno (voice) | 62 Fair |
| 1993 | Suikoden Demon Century | Actor | Takateru Suga (voice) | 58 Average |
| 1993 | Kiss Me On The Apple Of My Eye | Actor | Naoto (voice) | N/A N/A |
| 1993 | Ninja Scroll | Actor | Yurimaru (voice) | 69 Fair |
| 1993 | The Irresponsible Captain Tylor | Actor | Ru Baraba Dom | 70 Good |
| 1992 | Download: Devil's Circuit | Actor | Sid (voice) | 58 Average |
| 1992 | D-1 Devastator | Actor | 谷田辺了 | 70 Good |
| 1992 | Oruorane the Cat Player | Actor | The Cellist | 58 Average |
| 1992 | Love Wedge 1 | Actor | Riki (voice) | 58 Average |
| 1992 | Ai no Kusabi | Actor | Riki (voice) | 68 Fair |
| 1992 | Yawara! Go Get 'Em, Wimpy Kids!! | Actor | 58 Average |
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| 1992 | Princess Army: Wedding Combat | Actor | Hashiba Yuuya | N/A N/A |
| 1992 | Princess Army: Wedding Combat | Actor | Yuuya Hashiba | N/A N/A |
| 1992 | Calico Cat Holmes and the Lord of the Haunted Castle | Actor | Yoshitaro Katayama (voice) | 58 Average |
| 1992 | The Weathering Continent | Actor | Tieh (voice) | 58 Average |
| 1992 | Spirit Warrior: Revival of Evil | Actor | Kujaku | N/A N/A |
| 1991 | Moonlight Pierce | Actor | Hiroshi Takama (voice) | N/A N/A |
| 1991 | Nyūin Bokki Monogatari Ojiji ni! | Actor | N/A N/A |
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| 1991 | Inferious Interplanetary War Chronicle - Condition Green | Actor | Soo Laform (voice) | N/A N/A |
| 1991 | Here Is Greenwood | Actor | Shinobu Tezuka (voice) | 69 Fair |
| 1991 | Ranma 1/2 the Movie: Big Trouble in Nekonron, China | Actor | Mousse (voice) | 61 Fair |
| 1991 | Handsome Girl | Actor | Ichiya Kumagai (voice) | 58 Average |
| 1991 | Izumo | Actor | Izumo (voice) | 69 Fair |
| 1991 | Legend of Heavenly Sphere Shurato: The Secret Feud of Creation | Actor | Shurato | 69 Fair |
| 1991 | Detonator Orgun | Actor | Knock | 69 Fair |
| 1991 | Yuukan Club | Actor | 58 Average |
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| 1991 | Nadia: The Secret of Blue Water - The Motion Picture | Actor | Falt (voice) | 58 Average |
| 1991 | Nadia: The Secret of Blue Water - Nautilus Story II | Actor | Fate (voice) | N/A N/A |
| 1991 | Trusty Ginjiro | Actor | N/A N/A |
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| 1991 | Hisashi Eguchi's Kotobuki Goro Show | Actor | Piston Akagi (voice) | 58 Average |
| 1991 | Blazing Transfer Student | Actor | Noboru Takizawa (voice) | 69 Fair |
| 1991 | Future GPX Cyber Formula | Actor | Jotaro Kaga | 71 Good |
| 1990 | Hakkenden: Legend of the Dog Warriors | Actor | Shino Inuzuka (voice) | 69 Fair |
| 1990 | TOKYO CITY Melhen 2 | Actor | N/A N/A |
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| 1990 | Marina the Manga Artist Goes to Camelot | Actor | Bijomaru Shizuka (voice) | 58 Average |
| 1990 | Midoriyama High School, Koshien Edition (Movie) | Actor | N/A N/A |
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| 1990 | Milky Passion: Dougenzaka - The Castle of Love | Actor | Ootsuki (voice) | N/A N/A |
| 1990 | Goddamn | Actor | Hans Schultz | N/A N/A |
| 1990 | Goddamn | Actor | Hans Schultz | N/A N/A |
| 1990 | Nadia: The Secret of Blue Water | Actor | Fejto (voice) | 72 Good |
| 1990 | Heart-Coloured Killer Ticket | Actor | Chuta Misora (voice) | N/A N/A |
| 1990 | Ryokunohara Labyrinth - Sparkling Phantom | Actor | Hiroki Imashi | 58 Average |
| 1989 | Demon Hunter Makaryūdo | Actor | Shou Kurogane (voice) | 58 Average |
| 1989 | Yawara! | Actor | Matsuda / Eiji (voice) | 70 Good |
| 1989 | Darkness of the Sea, Shadow of the Moon | Actor | Katsuyuki Touma (voice) | 69 Fair |
| 1989 | Dash! Yonkuro | Actor | 69 Fair |
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| 1989 | Angel Cop | Actor | Tachihara (voice) | 58 Average |
| 1989 | Cinderella Express | Actor | Yuji Shimano | 58 Average |
| 1989 | Peacock King: Spirit Warrior - Castle of Illusion | Actor | Kujaku | N/A N/A |
| 1989 | Star Cat Fullhouse | Actor | Seitarou Yaoi (voice) | N/A N/A |
| 1989 | Star Cat Full House | Actor | N/A N/A |
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| 1989 | Scarlet Demon | Actor | N/A N/A |
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| 1989 | Madö King Granzört | Actor | Grunwald | 71 Good |
| 1989 | Shurato | Actor | Shurato | 70 Good |
| 1989 | Nightsong of Splendor | Actor | 69 Fair |
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| 1989 | Hades Project: Zeorymer Extinction | Actor | Masato Akitsu / Masaki Kihara (voice) | 58 Average |
| 1988 | Kaze wo Nuke! | Actor | N/A N/A |
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| 1988 | Hades Project: Zeorymer Separation | Actor | Masaki Kihara (voice) | 58 Average |
| 1988 | Hades Project: Zeorymer Separation | Actor | Masato Akitsu (voice) | 58 Average |
| 1988 | Hades Project Zeorymer | Actor | (voice) | 68 Fair |
| 1988 | Dragon Century | Actor | Carmine (voice) | 59 Average |
| 1988 | Dragon Century | Actor | 69 Fair |
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| 1988 | Sunlight All Around! Ka - su - mi: You Were in My Dreams | Actor | Reporter B (voice) | N/A N/A |
| 1988 | Zillion: Burning Night | Actor | J.J. (voice) | 59 Average |
| 1988 | Balthus: Tia's Radiance | Actor | Eud (voice) | N/A N/A |
| 1988 | Balthus: Tia's Radiance | Actor | Eud (voice) | 58 Average |
| 1988 | F | Actor | 軍馬 | N/A N/A |
| 1988 | F | Actor | 69 Fair |
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| 1987 | The Samurai | Actor | Takeshi Chimatsuri | 58 Average |
| 1987 | TO-Y | Actor | Shouji (voice) | 59 Average |
| 1987 | Zillion | Actor | JJ | 69 Fair |
| 1987 | Maryuu Senki | Actor | 58 Average |
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| 1987 | Campus Special Investigator Hikaruon | Actor | Hikaru Shihodo / Hikaruon (voice) | 58 Average |
| 1986 | Castle in the Sky | Actor | Additional Voices (voice) | 77 Good |
| 1986 | Call Me Tonight | Actor | Hayata (voice) | 58 Average |
| Bビーダマン爆外伝V | Actor | N/A N/A |
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Sound |
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| 2009 | Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship | Sound | Theme Song Performance | 58 Average |
| 2008 | Kamen Rider Den-O & Kiva: Climax Deka | Sound | Theme Song Performance | 58 Average |