Acting
Toshihiko Seki
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.
Acting
- 2026My Ribdiculous Reincarnation12 ep.
- 2026PROJECT R.E.D.GavarionTrigger / CosmoGavarion (voice)23 ep.
- 2025SANDAHifumi Ōshibu (voice)12 ep.
- 2025U Takes TerraChongyue (Voice)1 ep.
- 2025Mashin Creator WataruMr. Liar (voice)2 ep.
- 2025I Have a Crush at WorkPastor (voice)1 ep.
- 2024Good Bye, Dragon LifeDio (voice)3 ep.
- 2024Ranma1/2Mousse (voice)4 ep.
- 2024I Parry EverythingCarew (voice)12 ep.
- 2024Kaiju No. 8Kaiju No. 11 (voice)1 ep.
- 2023OnimushaKojiro Sasaki (voice)8 ep.
- 2023PLUTOPluto (voice)4 ep.
- 2023Rurouni KenshinNarration (voice)21 ep.
- 2023The Most Heretical Last Boss Queen: From Villainess to SaviorClark Darwin (voice)12 ep.
- 2023HIGH CARDNorman Kingstat (voice)12 ep.
- 2022Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-OMomotaros (voice)3 ep.
- 2020Higurashi: When They Cry - NEWKyousuke Irie (voice)39 ep.
- 2020The Misfit of Demon King AcademyAhide Alobo Agatze (voice)6 ep.
- 2019Ascendance of a BookwormEustachius (voice)7 ep.
- 2019SAINT SEIYA: Knights of the ZodiacScorpio Milo (voice)1 ep.
- 2019SarazanmaiYuri Kamome1 ep.
- 2019Demon Slayer: Kimetsu no YaibaMuzan Kibutsuji (voice)13 ep.
- 2019Star☆Twinkle PreCureToto Hagoromo (voice)3 ep.
- 2018Saint Seiya: Saintia ShoScorpio Milo (voice)10 ep.
- 2018Golden KamuyKazuo Henmi (voice)62 ep.
- 2018SWORD GAI: The AnimationMiura Takuma12 ep.
- 2018The Ryuo's Work is Never Done!Kiyotaki Kousuke (voice)12 ep.
- 2017THE REFLECTIONMichael Holden (voice)12 ep.
- 2017The Laughing Salesman NEWShisao Kihara(Story2)12 ep.
- 2016To Be HeroChinese Tohoku Muffler (voice)12 ep.
- 2016Mob Psycho 100Musashi Goda (voice)15 ep.
- 2016Descending StoriesEisuke Higuchi (voice)25 ep.
- 2015Saint Seiya: Soul of GoldScorpio Milo (voice)13 ep.
- 2014Cross Ange: Rondo of Angels and DragonsEmbryo (voice)25 ep.
- 2014Space DandyPublic Prosecutor (voice)1 ep.
- 2013Gingitsune: Messenger Fox of the GodsTatsuo Saeki (voice)12 ep.
- 2013声優戦隊ボイストーム7(voice)11 ep.
- 2013Triple Combination: Transformers Go!Gekisōmaru (voice)10 ep.
- 2012Glitter ForceHiroshi Hoshizora48 ep.
- 2011Mobile Suit Gundam SEED HD RemasterRey Za Burrel (voice), Rau Le Creuset (voice)98 ep.
- 2011Guilty CrownKurosu Ouma (voice)1 ep.
- 2011Hunter x HunterWing (voice)10 ep.
- 2011Saiyuki GaidenKonzen Dōji (voice)4 ep.
- 2010Psychic Detective YakumoIsshin Saitō13 ep.
- 2010KatanagatariUmigame Maniwa (voice)12 ep.
- 2009Dogs: Bullets & CarnageErnst Rammsteiner4 ep.
- 2009Cookin' Idol Ai! Mai! Main!柊修25 ep.
- 2008A Certain Magical IndexAleister Crowley (voice)9 ep.
- 2008Momotaros' King of the Crimson CastleMomotaros (voice)4 ep.
- 2008Blade of the ImmortalSouri (voice)2 ep.
- 2008SekireiHiroto Minaka25 ep.
- 2008Kamen Rider Den-O: Imagin AnimeMomotaros (voice)34 ep.
- 2007Saiyuki Reload: BurialGenjō Sanzō (voice)3 ep.
- 2007Naruto ShippūdenIruka Umino (voice)320 ep.
- 2007Kamen Rider Den-OMomotaros (voice)49 ep.
- 2006Shonen Onmyouji26 ep.
- 2006Higurashi: When They CryKyousuke Irie (voice)10 ep.
- 2005My-OtomeRad (voice)26 ep.
- 2005MÄR: Märchen Awakens RomanceDanna Toramizu102 ep.
- 2004Gin'yuu Mokushiroku Meine LiebeLudwig Herzog von Mohn nahe Liechtenstein (voice)26 ep.
- 2004My-HimeReito Kanzaki (voice)26 ep.
- 2004Samurai ChamplooYamane (voice)26 ep.
- 2004Paranoia AgentMitsuhiro Maniwa (voice)13 ep.
- 2003Requiem from the DarknessMomosuke Yamaoka (voice)13 ep.
- 2002Saint Seiya: The Hades ChapterMilo (voice)10 ep.
- 2002Mobile Suit Gundam SEEDRau Le Creuset (voice)100 ep.
- 2002NarutoIruka Umino (voice)220 ep.
- 2002Angelique: Twin CollectionLuva (voice)8 ep.
- 2002Mirage of BlazeTakaya Ohgi (voice)13 ep.
- 2000Descendants of DarknessYutaka Watari (voice)13 ep.
- 2000SaiyukiGenjo Sanzo (voice)126 ep.
- 1999Reign: The ConquerorAlexander (voice)13 ep.
- 1999Pet Shop of HorrorsCount D (voice)4 ep.
- 1999Bビーダマン爆外伝VKurobon50 ep.
- 1999Harlock Saga - The Ring of the Nibelungs6 ep.
- 1998Nightwalker: The Midnight DetectiveBait12 ep.
- 1998TRIGUNLegato Bluesummers (voice)7 ep.
- 1998Bomberman B-Daman Bakugaiden48 ep.
- 1998Outlaw StarFred (voice)26 ep.
- 1997DragoonRain Keeves Fearudo (voice)3 ep.
- 1997Hakugei: Legend of the Moby Dick26 ep.
- 1997Hyper PoliceSakunoshin Chikura25 ep.
- 1996B'T XQuatro (voice)14 ep.
- 1996The Legend of ZorroDon Diego de la Vega / Zorro52 ep.
- 1996Special Duty Combat Unit ShinesmanShujin Seki (voice)2 ep.
- 1995Mobile Suit Gundam WingDuo Maxwell (voice)49 ep.
- 1995Udauda Yatteru Hima wa Nee!(voice)2 ep.
- 1994Wild 7Dairoku Hiba2 ep.
- 1994The Irresponsible Captain Tylor OVADom (voice)10 ep.
- 1994Natsuki CrisisKyōtarō Himuro2 ep.
- 1993Please Save My EarthMikuro Yakushimaru (voice)6 ep.
- 1993Black JackTokio Umetani (voice)1 ep.
- 1993Aoki Densetsu Shoot!Akihiko Himuro (voice)58 ep.
- 1993Ninja Boy RantaroHansuke Doi702 ep.
- 1993The Irresponsible Captain TylorRu Baraba Dom26 ep.
- 1992D-1 Devastator谷田辺了2 ep.
- 1992Ai no KusabiRiki (voice)2 ep.
- 1992Bastard!!6 ep.
- 1992Princess Army: Wedding CombatYuuya Hashiba2 ep.
- 1991Nyūin Bokki Monogatari Ojiji ni!2 ep.
- 1991Here Is GreenwoodShinobu Tezuka (voice)6 ep.
- 1991Flaming Rugby Boy: Dodge DanpeiNikaidou47 ep.
- 1991IzumoIzumo (voice)2 ep.
- 1991Legend of Heavenly Sphere Shurato: The Secret Feud of CreationShurato6 ep.
- 1991Detonator OrgunKnock3 ep.
- 1991Akai Hayate4 ep.
- 1991Blazing Transfer StudentNoboru Takizawa (voice)2 ep.
- 1991Future GPX Cyber FormulaJotaro Kaga64 ep.
- 1990The Hakkenden: Legend of the Dog WarriorsShino Inuzuka (voice)13 ep.
- 1990GoddamnHans Schultz2 ep.
- 1990Nadia: The Secret of Blue WaterFejto (voice)39 ep.
- 1989Yawara!Matsuda / Eiji (voice)124 ep.
- 1989Darkness of the Sea, Shadow of the MoonKatsuyuki Touma (voice)3 ep.
- 1989Dash! Yonkuro25 ep.
- 1989Star Cat Full House4 ep.
- 1989Ranma ½Mousse (voice)13 ep.
- 1989Madö King GranzörtGrunwald41 ep.
- 1989ShuratoShurato38 ep.
- 1989Nightsong of Splendor4 ep.
- 1988Hades Project Zeorymer(voice)4 ep.
- 1988Armor Hunter MerowlinkPFC Cepres1 ep.
- 1988Dragon CenturyCarmine2 ep.
- 1988Spirit WarriorKujaku (voice)3 ep.
- 1988FGunma Akagi (voice)31 ep.
- 1987ZillionJJ31 ep.
- 1987Evil Dragon War Chronicles錦繍 (voice)2 ep.
- 1985Magical Emi, the Magic StarCustomer A (voice)1 ep.
- 1985Musashi no KenMale member (voice)1 ep.
- 1971Kamen RiderMomotaros (voice)56 ep.
Behind the camera
- 2002Angelique: Twin CollectionTheme Song Performance8 ep.
Guest appearances
- 2020Ascendance of a BookwormEustachius (voice)8 ep.
- 2025Ranma1/2Mousse (voice)4 ep.
- 2025Kaiju No. 8Kaiju No. 11 (voice)1 ep.
- 2025Mashin Creator WataruMr. Liar (voice)2 ep.
- 2025U Takes TerraChongyue (Voice)1 ep.
- 2025I Have a Crush at WorkPastor (voice)1 ep.
- 2023Rurouni KenshinNarration (voice)21 ep.
- 2024Good Bye, Dragon LifeDio (voice)3 ep.
- 2019Demon Slayer: Kimetsu no YaibaMuzan Kibutsuji (voice)13 ep.
- 2024The Misfit of Demon King AcademyAhide Alobo Agatze (voice)6 ep.
- 2023PLUTOPluto (voice), Sahad (voice)4 ep.
- 2019Star☆Twinkle PreCureToto Hagoromo (voice)3 ep.
- 2019SAINT SEIYA: Knights of the ZodiacScorpio Milo (voice)1 ep.
- 2009Kamen RiderKamen Rider Den-O (voice), Momotaros (voice)7 ep.
- 2019SarazanmaiYuri Kamome1 ep.
- 2019Pop Team EpicPopuko (voice)1 ep.
- 2016Mob Psycho 100Morizo Ebihara (voice), Musashi Goda (voice)15 ep.
- 2008A Certain Magical IndexAleister Crowley (voice)9 ep.
- 2014Space DandyPublic Prosecutor (voice)1 ep.
- 2012Hunter x HunterWing (voice)10 ep.
- 2012Guilty CrownKurosu Ouma (voice)1 ep.
- 2008Blade of the ImmortalSouri (voice)2 ep.
- 2002Saint Seiya: The Hades ChapterMilo (voice)10 ep.
- 2006Higurashi: When They CryKyousuke Irie (voice)10 ep.
- 2004Mobile Suit Gundam SEEDRau Le Creuset (voice)6 ep.
- 1998TRIGUNLegato Bluesummers (voice)7 ep.
- 1997Mobile Suit Gundam WingDuo Maxwell (voice)3 ep.
- 1993Black JackTokio Umetani (voice)1 ep.
- 1989Ranma ½Mousse (voice)13 ep.
- 1989Evil Dragon War Chronicles錦繍 (voice)2 ep.
- 1989Armor Hunter MerowlinkPFC Cepres1 ep.
- 1986Musashi no KenMale member (voice)1 ep.
- 1985Magical Emi, the Magic StarCustomer A (voice)1 ep.
Also known as: せき としひこ · 关俊彦 · 関 俊彦