Toshihiko Seki

🎭 Actor

Toshihiko Seki

🎂 Born 11 June 1962 (age 64)📍 Sendai, Japon

2

Popularity Score

113

Acting Credits

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

Demon Slayer: Kimetsu no Yaiba Infinity Castle

Demon Slayer: Kimetsu no Yaiba Infinity Castle

Muzan Kibutsuji (voice)

Castle in the Sky

Castle in the Sky

Additional Voices (voice)

Black Clover: Sword of the Wizard King

Black Clover: Sword of the Wizard King

Conrad Leto (voice)

Detective Conan: Quarter of Silence

Detective Conan: Quarter of Silence

Shogo Hikawa (voice)

Full Filmography(113 films)

YearTitleCharacterRating

2025Demon Slayer: Kimetsu no Yaiba Infinity CastleMuzan Kibutsuji (voice)★ 7.7 1986Castle in the SkyAdditional Voices (voice)★ 8.0 2023Black Clover: Sword of the Wizard KingConrad Leto (voice)★ 8.1 2011Detective Conan: Quarter of SilenceShogo Hikawa (voice)★ 7.1 2021My Hero Academia: World Heroes' MissionEddie Soul (voice)★ 7.6 2012Road to Ninja: Naruto the MovieIruka Umino (voice)★ 7.4 1996X: The MovieShougo★ 6.1 1992Ranma 1/2 the Movie 2: Nihao My ConcubineMousse (voice)★ 8.0 1993Ninja ScrollYurimaru (voice)★ 7.8 1993Ocean WavesYutaka Matsuno (voice)★ 6.4 2017Mazinger Z: InfinityTetsuya Tsurugi (voice)★ 6.9 2019Demon Slayer: Kimetsu no Yaiba - Sibling's BondMuzan Kibutsuji (voice)★ 7.9 1995Bio HunterKomada★ 5.9 2013Hunter x Hunter: The Last MissionWing (voice)★ 6.9 2022Demon Slayer: Kimetsu no Yaiba - Asakusa ArcMuzan Kibutsuji (voice)★ 7.7 1988Balthus: Tia's RadianceEud (voice)★ 5.0 2026Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita HiCosmo Gavarion System Voice / Gavarion Trigger System Voice—2009Kamen Rider Decade: All Riders vs. Dai-ShockerMomotaros / Kamen Rider Den-O (voice)★ 6.4 2008Kamen Rider Kiva: King of the Castle in the Demon WorldPenetentiary Officer Sanjo★ 6.9 2018Kamen Rider Heisei Generations ForeverMomotaros / Kamen Rider Den-O Sword Form (voice)★ 6.1 2021Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero ChroniclesMomotaros (voice) / Kamen Rider Den-O (voice)★ 6.0 1987The SamuraiTakeshi Chimatsuri★ 3.8 2017Kamen Rider × Super Sentai: Ultra Super Hero WarsMomotaros - Kamen Rider Den-O Sword Form (voice)★ 5.7 2009Kamen Rider × Kamen Rider W & Decade: Movie War 2010Kamen Rider Den-O (voice)★ 6.2 1998Gundam Wing: The Endless WaltzDuo Maxwell (voice)★ 7.4 1997Twilight of the Dark MasterShijo Tsunami (voice)★ 5.4 2007Kamen Rider Den-O The Movie: I'm Born!Momotaros (voice)★ 7.2 2009Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima WarshipMomotaros (voice)★ 6.1 2012Kamen Rider × Super Sentai: Super Hero WarsMomotaros - Kamen Rider Den-O Sword Form (voice)★ 6.6 1991Ranma 1/2 the Movie: Big Trouble in Nekonron, ChinaMousse (voice)★ 7.2 2023The Birth of Kitaro: The Mystery of GeGeGeKitarou's Father (voice)★ 7.4 2008Kamen Rider Den-O & Kiva: Climax DekaMomotaros (voice)★ 8.0 2011OOO, Den-O, All Riders: Let's Go Kamen RidersMomotaros / Kamen Rider Den-O Sword Form (voice)★ 6.3 2024Nintama Rantarō: Invincible Master of the Dokutake NinjaHansuke Doi (voice)★ 7.6 2008Farewell Kamen Rider Den-O: Final CountdownMomotaros (voice)★ 7.3 2016Naruto OVA 12: The Day Naruto Became HokageIruka Umino (voice)★ 7.5 2015Mobile Suit Gundam: The Origin II - Artesia's SorrowChar Aznable (voice)★ 7.4 2011Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!Hansuke Doi (voice)★ 5.6 2014Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super SentaiKamen Rider Den-O Sword Form (voice)★ 6.4 1989Angel CopTachihara (voice)★ 6.2 1991Nadia: The Secret of Blue Water - The Motion PictureFalt (voice)★ 5.1 2001Saiyuki: RequiemGenjo Sanzo (voice)★ 5.6 1988Hades Project: Zeorymer SeparationMasato Akitsu (voice)★ 4.1 1988Hades Project: Zeorymer SeparationMasaki Kihara (voice)★ 4.1 1996Ultraman Super Fighter LegendUltraseven / Ultraman Leo (voice)—1987Campus Special Investigator HikaruonHikaru Shihodo / Hikaruon (voice)★ 7.3 2010Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End PiratesMomotaros (voice)★ 5.2 2013Higurashi: When They Cry - OutbreakKyousuke Irie (voice)★ 6.6 1987Maryuu Senki—★ 3.4 1991Inferious Interplanetary War Chronicle - Condition GreenSoo Laform (voice)—2008Kamen Rider Den-O: Final Trilogy Special EditionMomotaros (voice)—1990GoddamnHans Schultz—2000Reign: The Conqueror MovieAlexander★ 7.4 1988Sunlight All Around! Ka - su - mi: You Were in My DreamsReporter B (voice)★ 1.0 1992The Weathering ContinentTieh (voice)★ 5.5 1991Nadia: The Secret of Blue Water - Nautilus Story IIFate (voice)—1989Hades Project: Zeorymer ExtinctionMasato Akitsu / Masaki Kihara (voice)★ 4.7 1996Violinist of Hamelin: The MovieRaiel (voice)—1988Kaze wo Nuke!——1993Kiss Me on the Apple of My EyeNaoto (voice)—2010Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is NewtralMomotaros (voice)★ 5.6 1990Marina the Manga Artist Goes to CamelotBijomaru Shizuka (voice)★ 1.0 1990Ryokunohara Labyrinth - Sparkling PhantomHiroki Imashi★ 3.5 1987TO-YShouji (voice)★ 7.8 1992Calico Cat Holmes and the Lord of the Haunted CastleYoshitaro Katayama (voice)★ 7.0 1988Dragon CenturyCarmine (voice)★ 6.0 2007Kamen Rider Den-O: Singing, Dancing, Great Training!!Momotaros (voice)—2011OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~Momotaros (voice)—1988Zillion: Burning NightJ.J. (voice)★ 7.0 1994GenocyberSakomizu (voice)★ 5.6 2002Animation Store ManagerRyuu Raiba (voice)★ 4.2 1986Call Me TonightHayata (voice)★ 4.3 1994I'm Not an Angel!Bunta Kouno (voice)★ 6.0 1992Yawara! Go Get 'Em, Wimpy Kids!!(voice)★ 6.0 2007Kamen Rider Den-O: Final StageMomotaros—1993Suikoden Demon CenturyTakateru Suga (voice)★ 5.3 1990Milky Passion: Dougenzaka - The Castle of LoveOotsuki (voice)★ 2.0 1990Midoriyama High School, Koshien Edition (Movie)——2010Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star TwinkleMomotaros (voice)★ 5.3 2020Kamen Rider Den-O: The Birth of Pretty Den-O!Momotaros (voice)★ 8.0 1989Demon Hunter MakaryūdoShou Kurogane (voice)★ 5.8 1989Scarlet Demon——1991Hisashi Eguchi's Kotobuki Goro ShowPiston Akagi (voice)★ 4.7 1994Love Wedge 2Riki (voice)★ 6.8 1994Wild 7: Biker KnightsDairoku Hiba★ 2.0 1991Yuukan Club—★ 7.0 2009Kamen Rider Kiva & Den-O: DenLiner, Into Space!Momotaros (voice)—1991Handsome GirlIchiya Kumagai (voice)★ 3.0 1991Moonlight PierceHiroshi Takama (voice)—1996The End of the Century DarlingTodorokki Kouhei (voice)★ 4.0 1992Download: Devil's CircuitSid (voice)★ 6.2 1994Dorami-chan: A Blue Straw HatCrow (voice)★ 6.2 1992Oruorane the Cat PlayerThe Cellist★ 4.0 1990Heart-Coloured Killer TicketChuta Misora (voice)—2009Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-Momotaros (voice)—1991Trusty GinjiroHideki Mitsui (voice)★ 4.0 2010Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010——1990TOKYO CITY Melhen 2——1992Love Wedge 1Riki (voice)★ 6.8 2000Baby Felix & FriendsFelix The Cat★ 4.0 2010Kamen Rider Decade: Final StageMomotaros / Kamen Rider Den-O (Sword Form)—1989Cinderella ExpressYuji Shimano★ 2.0 1996Yawara! Atlanta Special—★ 6.5 2007Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!Momotaros (voice)—2002Saiyuki Interactive—★ 4.0 200910th Anniversary Project: Masked Rider LIVE & SHOWKamen Rider Den-O Sword Form (voice)—2008Imagin Anime: Momotaros Forever!/Imajin Terminal StationMomotaros (voice)—2017Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-Momotaros—2008Momotaros' King of the Crimson CastleMomotaros (voice)—2004Paranoia Agent: Part 1まにわみつひろ★ 5.0 2026Super Space Sheriff Gavan Infinity: Jo-Chaku CourseGavarion Trigger System Voice (voice)—2007Momotaros' Summer VacationMomotaros (voice)—1997Chimera: Angel of DeathRon★ 4.5

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