
Acting
Toshihiko Seki
JA, EN cinema · 115 credits
Born
11 June 1962 (age 64)
Birthplace
Sendai, Japon
Also known as せき としひこ · 关俊彦 · 関 俊彦
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
Filmography

Super Space Sheriff Gavan Infinity: Jo-Chaku Course
as Gavarion Trigger System Voice (voice)

Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi
as Cosmo Gavarion System Voice / Gavarion Trigger System Voice

Demon Slayer: Kimetsu no Yaiba Infinity Castle
as Muzan Kibutsuji (voice)

Nintama Rantarō: Invincible Master of the Dokutake Ninja
as Hansuke Doi (voice)

The Birth of Kitaro: The Mystery of GeGeGe
as Kitarou's Father (voice)

Black Clover: Sword of the Wizard King
as Conrad Leto (voice)

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
as Muzan Kibutsuji (voice)

My Hero Academia: World Heroes' Mission
as Eddie Soul (voice)

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
as Momotaros (voice) / Kamen Rider Den-O (voice)

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

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

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

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
as Momotaros

Mazinger Z: Infinity
as Tetsuya Tsurugi (voice)

Kamen Rider × Super Sentai: Ultra Super Hero Wars
as Momotaros - Kamen Rider Den-O Sword Form (voice)

Naruto OVA 12: The Day Naruto Became Hokage
as Iruka Umino (voice)

Mobile Suit Gundam: The Origin II – Artesia's Sorrow
as Char Aznable (voice)

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
as Kamen Rider Den-O Sword Form (voice)

Higurashi: When They Cry - Outbreak
as Kyousuke Irie (voice)

Hunter x Hunter: The Last Mission
as Wing (voice)

Road to Ninja: Naruto the Movie
as Iruka Umino (voice)

Kamen Rider × Super Sentai: Super Hero Wars
as Momotaros - Kamen Rider Den-O Sword Form (voice)

OOO, Den-O, All Riders: Let's Go Kamen Riders
as Momotaros / Kamen Rider Den-O Sword Form (voice)

Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!
as Hansuke Doi (voice)

OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~
as Momotaros (voice)

Detective Conan: Quarter of Silence
as Shogo Hikawa (voice)

Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral
as Momotaros (voice)

Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle
as Momotaros (voice)

Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates
as Momotaros (voice)

Kamen Rider Decade: Final Stage
as Momotaros / Kamen Rider Den-O (Sword Form)

Kamen Rider Decade: All Riders vs. Dai-Shocker
as Momotaros / Kamen Rider Den-O (voice)

Kamen Rider × Kamen Rider W & Decade: Movie War 2010
as Kamen Rider Den-O (voice)

Kamen Rider Kiva & Den-O: DenLiner, Into Space!
as Momotaros (voice)

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
as Momotaros (voice)

Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
as Momotaros (voice), Theme Song Performance

10th Anniversary Project: Masked Rider LIVE & SHOW
as Kamen Rider Den-O Sword Form (voice)

Kamen Rider Den-O: Final Trilogy Special Edition
as Momotaros (voice)

Kamen Rider Kiva: King of the Castle in the Demon World
as Penetentiary Officer Sanjo

Kamen Rider Den-O & Kiva: Climax Deka
as Momotaros (voice), Theme Song Performance

Farewell Kamen Rider Den-O: Final Countdown
as Momotaros (voice)

Imagin Anime: Momotaros Forever!/Imajin Terminal Station
as Momotaros (voice)

Momotaros' King of the Crimson Castle
as Momotaros (voice)

Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!
as Momotaros (voice)

Kamen Rider Den-O The Movie: I'm Born!
as Momotaros (voice)

Kamen Rider Den-O: Singing, Dancing, Great Training!!
as Momotaros (voice)

Kamen Rider Den-O: Final Stage
as Momotaros

Momotaros' Summer Vacation
as Momotaros (voice)

Paranoia Agent: Part 1
as まにわ みつひろ

RahXephon: Pluralitas Concentio
as Makoto Isshiki (voice)

Animation Store Manager
as Ryuu Raiba (voice)

Saiyuki: Requiem
as Genjo Sanzo (voice)

Reign: The Conqueror Movie
as Alexander

Baby Felix & Friends
as Felix The Cat

Gundam Wing: The Endless Waltz
as Duo Maxwell (voice)

Twilight of the Dark Master
as Shijo Tsunami (voice)

Chimera: Angel of Death
as Ron (voice)

X
as Shougo

The End of the Century Darling
as Todorokki Kouhei (voice)

Violinist of Hamelin: The Movie
as Raiel (voice)

Ultraman Super Fighter Legend
as Ultraseven / Ultraman Leo (voice)

Bio Hunter
as Komada

Legend of Crystania: The Motion Picture
as Nasser (voice)

I'm Not an Angel!
as Bunta Kouno (voice)

Wild 7: Biker Knights
as Dairoku Hiba

Genocyber
as Sakomizu (voice)

Love Wedge 2
as Riki (voice)

Dorami-chan: A Blue Straw Hat
as Crow (voice)

The Irresponsible Captain Tylor: Tylor's War
as Ru Baraba Dom (voice)

Ocean Waves
as Yutaka Matsuno (voice)

Ninja Scroll
as Yurimaru (voice)

Suikoden Demon Century
as Takateru Suga (voice)

Kiss Me on the Apple of My Eye
as Naoto (voice)

The Weathering Continent
as Tieh (voice)

Download: Devil's Circuit
as Sid (voice)

Oruorane the Cat Player
as The Cellist

Calico Cat Holmes and the Lord of the Haunted Castle
as Yoshitaro Katayama (voice)

Love Wedge 1
as Riki (voice)

Ranma 1/2 the Movie 2: Nihao My Concubine
as Mousse (voice)

Handsome Girl
as Ichiya Kumagai (voice)

Moonlight Pierce
as Hiroshi Takama (voice)

Hisashi Eguchi's Kotobuki Goro Show
as Piston Akagi (voice)

Ranma 1/2 the Movie: Big Trouble in Nekonron, China
as Mousse (voice)

Inferious Interplanetary War Chronicle - Condition Green
as Soo Laform (voice)

Trusty Ginjiro
as Hideki Mitsui (voice)

Marina the Manga Artist Goes to Camelot
as Bijomaru Shizuka (voice)

Ryokunohara Labyrinth - Sparkling Phantom
as Hiroki Imashi

Heart-Coloured Killer Ticket
as Chuta Misora (voice)

Goddamn
as Hans Schultz

Milky Passion: Dougenzaka - The Castle of Love
as Ootsuki (voice)

Cinderella Express
as Yuji Shimano

Demon Hunter Makaryūdo
as Shou Kurogane (voice)

Hades Project: Zeorymer Extinction
as Masato Akitsu / Masaki Kihara (voice)

Angel Cop
as Tachihara (voice)

Dragon Century
as Carmine (voice)

Zillion: Burning Night
as J.J. (voice)

Balthus: Tia's Radiance
as Eud (voice)

Hades Project: Zeorymer Separation
as Masato Akitsu (voice), as Masaki Kihara (voice)

Sunlight All Around! Ka - su - mi: You Were in My Dreams
as Reporter B (voice)

The Samurai
as Takeshi Chimatsuri

TO-Y
as Shouji (voice)

Campus Special Investigator Hikaruon
as Hikaru Shihodo / Hikaruon (voice)

Castle in the Sky
as (voice)

Call Me Tonight
as Hayata (voice)













