DesiMDB
Toshihiko Seki

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 poster

Super Space Sheriff Gavan Infinity: Jo-Chaku Course

JA · 2026Not rated

as Gavarion Trigger System Voice (voice)

Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi poster

Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi

JA · 2026Not rated

as Cosmo Gavarion System Voice / Gavarion Trigger System Voice

Demon Slayer: Kimetsu no Yaiba Infinity Castle poster

Demon Slayer: Kimetsu no Yaiba Infinity Castle

JA · 20258.8

as Muzan Kibutsuji (voice)

Nintama Rantarō: Invincible Master of the Dokutake Ninja poster

Nintama Rantarō: Invincible Master of the Dokutake Ninja

JA · 20247.0

as Hansuke Doi (voice)

The Birth of Kitaro: The Mystery of GeGeGe poster

The Birth of Kitaro: The Mystery of GeGeGe

JA · 20237.4

as Kitarou's Father (voice)

Black Clover: Sword of the Wizard King poster

Black Clover: Sword of the Wizard King

JA · 20238.1

as Conrad Leto (voice)

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc poster

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc

JA · 20227.6

as Muzan Kibutsuji (voice)

My Hero Academia: World Heroes' Mission poster

My Hero Academia: World Heroes' Mission

JA · 20217.6

as Eddie Soul (voice)

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles poster

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles

JA · 20216.1

as Momotaros (voice) / Kamen Rider Den-O (voice)

Kamen Rider Den-O: The Birth of Pretty Den-O! poster

Kamen Rider Den-O: The Birth of Pretty Den-O!

JA · 20208.0

as Momotaros (voice)

Demon Slayer: Kimetsu no Yaiba - Sibling's Bond poster

Demon Slayer: Kimetsu no Yaiba - Sibling's Bond

JA · 20197.9

as Muzan Kibutsuji (voice)

Kamen Rider Heisei Generations Forever poster

Kamen Rider Heisei Generations Forever

JA · 20186.2

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

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

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

JA · 2017Not rated

as Momotaros

Mazinger Z: Infinity poster

Mazinger Z: Infinity

JA · 20177.0

as Tetsuya Tsurugi (voice)

Kamen Rider × Super Sentai: Ultra Super Hero Wars poster

Kamen Rider × Super Sentai: Ultra Super Hero Wars

JA · 20175.7

as Momotaros - Kamen Rider Den-O Sword Form (voice)

Naruto OVA 12: The Day Naruto Became Hokage poster

Naruto OVA 12: The Day Naruto Became Hokage

JA · 20167.4

as Iruka Umino (voice)

Mobile Suit Gundam: The Origin II – Artesia's Sorrow poster

Mobile Suit Gundam: The Origin II – Artesia's Sorrow

JA · 20157.4

as Char Aznable (voice)

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai poster

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai

JA · 20146.3

as Kamen Rider Den-O Sword Form (voice)

Higurashi: When They Cry - Outbreak poster

Higurashi: When They Cry - Outbreak

JA · 20136.6

as Kyousuke Irie (voice)

Hunter x Hunter: The Last Mission poster

Hunter x Hunter: The Last Mission

JA · 20137.0

as Wing (voice)

Road to Ninja: Naruto the Movie poster

Road to Ninja: Naruto the Movie

JA · 20127.4

as Iruka Umino (voice)

Kamen Rider × Super Sentai: Super Hero Wars poster

Kamen Rider × Super Sentai: Super Hero Wars

JA · 20126.6

as Momotaros - Kamen Rider Den-O Sword Form (voice)

OOO, Den-O, All Riders: Let's Go Kamen Riders poster

OOO, Den-O, All Riders: Let's Go Kamen Riders

JA · 20116.3

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

Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! poster

Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!

JA · 20115.6

as Hansuke Doi (voice)

OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~ poster

OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~

JA · 2011Not rated

as Momotaros (voice)

Detective Conan: Quarter of Silence poster

Detective Conan: Quarter of Silence

JA · 20117.1

as Shogo Hikawa (voice)

Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral poster

Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral

JA · 20105.8

as Momotaros (voice)

Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle poster

Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle

JA · 20105.4

as Momotaros (voice)

Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates poster

Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates

JA · 20105.3

as Momotaros (voice)

Kamen Rider Decade: Final Stage poster

Kamen Rider Decade: Final Stage

JA · 2010Not rated

as Momotaros / Kamen Rider Den-O (Sword Form)

Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010 poster

Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010

JA · 2010Not rated

Actor

Kamen Rider Decade: All Riders vs. Dai-Shocker poster

Kamen Rider Decade: All Riders vs. Dai-Shocker

JA · 20096.5

as Momotaros / Kamen Rider Den-O (voice)

Kamen Rider × Kamen Rider W & Decade: Movie War 2010 poster

Kamen Rider × Kamen Rider W & Decade: Movie War 2010

JA · 20096.2

as Kamen Rider Den-O (voice)

Kamen Rider Kiva & Den-O: DenLiner, Into Space! poster

Kamen Rider Kiva & Den-O: DenLiner, Into Space!

JA · 2009Not rated

as Momotaros (voice)

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

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

JA · 2009Not rated

as Momotaros (voice)

Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship poster

Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship

JA · 20095.9

as Momotaros (voice), Theme Song Performance

10th Anniversary Project: Masked Rider LIVE & SHOW poster

10th Anniversary Project: Masked Rider LIVE & SHOW

JA · 2009Not rated

as Kamen Rider Den-O Sword Form (voice)

Kamen Rider Den-O: Final Trilogy Special Edition poster

Kamen Rider Den-O: Final Trilogy Special Edition

JA · 2008Not rated

as Momotaros (voice)

Kamen Rider Kiva: King of the Castle in the Demon World poster

Kamen Rider Kiva: King of the Castle in the Demon World

JA · 20086.8

as Penetentiary Officer Sanjo

Kamen Rider Den-O & Kiva: Climax Deka poster

Kamen Rider Den-O & Kiva: Climax Deka

JA · 20087.6

as Momotaros (voice), Theme Song Performance

Farewell Kamen Rider Den-O: Final Countdown poster

Farewell Kamen Rider Den-O: Final Countdown

JA · 20087.3

as Momotaros (voice)

Imagin Anime: Momotaros Forever!/Imajin Terminal Station poster

Imagin Anime: Momotaros Forever!/Imajin Terminal Station

JA · 2008Not rated

as Momotaros (voice)

Momotaros' King of the Crimson Castle poster

Momotaros' King of the Crimson Castle

JA · 2008Not rated

as Momotaros (voice)

Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!! poster

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

JA · 2007Not rated

as Momotaros (voice)

Kamen Rider Den-O The Movie: I'm Born! poster

Kamen Rider Den-O The Movie: I'm Born!

JA · 20077.1

as Momotaros (voice)

Kamen Rider Den-O: Singing, Dancing, Great Training!! poster

Kamen Rider Den-O: Singing, Dancing, Great Training!!

JA · 2007Not rated

as Momotaros (voice)

Kamen Rider Den-O: Final Stage poster

Kamen Rider Den-O: Final Stage

JA · 2007Not rated

as Momotaros

Momotaros' Summer Vacation poster

Momotaros' Summer Vacation

JA · 2007Not rated

as Momotaros (voice)

Paranoia Agent: Part 1 poster

Paranoia Agent: Part 1

JA · 20045.0

as まにわ みつひろ

RahXephon: Pluralitas Concentio poster

RahXephon: Pluralitas Concentio

JA · 20035.8

as Makoto Isshiki (voice)

Animation Store Manager poster

Animation Store Manager

JA · 20024.7

as Ryuu Raiba (voice)

Saiyuki Interactive poster

Saiyuki Interactive

JA · 20024.0

Actor

Saiyuki: Requiem poster

Saiyuki: Requiem

JA · 20016.4

as Genjo Sanzo (voice)

Reign: The Conqueror Movie poster

Reign: The Conqueror Movie

JA · 20007.5

as Alexander

Baby Felix & Friends poster

Baby Felix & Friends

EN · 20004.0

as Felix The Cat

Gundam Wing: The Endless Waltz poster

Gundam Wing: The Endless Waltz

JA · 19987.3

as Duo Maxwell (voice)

Twilight of the Dark Master poster

Twilight of the Dark Master

JA · 19975.3

as Shijo Tsunami (voice)

Chimera: Angel of Death poster

Chimera: Angel of Death

JA · 19974.5

as Ron (voice)

X poster

X

JA · 19966.2

as Shougo

The End of the Century Darling poster

The End of the Century Darling

JA · 19964.0

as Todorokki Kouhei (voice)

Yawara! Atlanta Special poster

Yawara! Atlanta Special

JA · 19966.5

Actor

Violinist of Hamelin: The Movie poster

Violinist of Hamelin: The Movie

JA · 1996Not rated

as Raiel (voice)

Ultraman Super Fighter Legend poster

Ultraman Super Fighter Legend

JA · 1996Not rated

as Ultraseven / Ultraman Leo (voice)

Bio Hunter poster

Bio Hunter

JA · 19955.8

as Komada

Legend of Crystania: The Motion Picture poster

Legend of Crystania: The Motion Picture

JA · 19956.0

as Nasser (voice)

I'm Not an Angel! poster

I'm Not an Angel!

JA · 19946.0

as Bunta Kouno (voice)

Wild 7: Biker Knights poster

Wild 7: Biker Knights

JA · 19942.0

as Dairoku Hiba

Genocyber poster

Genocyber

JA · 19945.6

as Sakomizu (voice)

Love Wedge 2 poster

Love Wedge 2

JA · 19946.8

as Riki (voice)

Dorami-chan: A Blue Straw Hat poster

Dorami-chan: A Blue Straw Hat

JA · 19946.2

as Crow (voice)

The Irresponsible Captain Tylor: Tylor's War poster

The Irresponsible Captain Tylor: Tylor's War

EN · 199410.0

as Ru Baraba Dom (voice)

Ocean Waves poster

Ocean Waves

JA · 19936.4

as Yutaka Matsuno (voice)

Ninja Scroll poster

Ninja Scroll

JA · 19937.8

as Yurimaru (voice)

Suikoden Demon Century poster

Suikoden Demon Century

JA · 19936.0

as Takateru Suga (voice)

Kiss Me on the Apple of My Eye poster

Kiss Me on the Apple of My Eye

JA · 1993Not rated

as Naoto (voice)

The Weathering Continent poster

The Weathering Continent

JA · 19925.5

as Tieh (voice)

Download: Devil's Circuit poster

Download: Devil's Circuit

JA · 19926.5

as Sid (voice)

Yawara! Go Get 'Em, Wimpy Kids!! poster

Yawara! Go Get 'Em, Wimpy Kids!!

JA · 19925.3

as (voice)

Oruorane the Cat Player poster

Oruorane the Cat Player

JA · 19924.0

as The Cellist

Calico Cat Holmes and the Lord of the Haunted Castle poster

Calico Cat Holmes and the Lord of the Haunted Castle

JA · 19927.0

as Yoshitaro Katayama (voice)

Love Wedge 1 poster

Love Wedge 1

JA · 19926.8

as Riki (voice)

Ranma 1/2 the Movie 2: Nihao My Concubine poster

Ranma 1/2 the Movie 2: Nihao My Concubine

JA · 19927.9

as Mousse (voice)

Handsome Girl poster

Handsome Girl

JA · 19913.0

as Ichiya Kumagai (voice)

Nadia: The Secret of Blue Water - Nautilus Story II poster

Nadia: The Secret of Blue Water - Nautilus Story II

JA · 1991Not rated

as Fate (voice)

Moonlight Pierce poster

Moonlight Pierce

JA · 1991Not rated

as Hiroshi Takama (voice)

Hisashi Eguchi's Kotobuki Goro Show poster

Hisashi Eguchi's Kotobuki Goro Show

JA · 19914.7

as Piston Akagi (voice)

Ranma 1/2 the Movie: Big Trouble in Nekonron, China poster

Ranma 1/2 the Movie: Big Trouble in Nekonron, China

JA · 19917.3

as Mousse (voice)

Inferious Interplanetary War Chronicle - Condition Green poster

Inferious Interplanetary War Chronicle - Condition Green

JA · 1991Not rated

as Soo Laform (voice)

Yuukan Club poster

Yuukan Club

JA · 19917.0

Actor

Trusty Ginjiro poster

Trusty Ginjiro

JA · 19914.0

as Hideki Mitsui (voice)

Nadia: The Secret of Blue Water - The Motion Picture poster

Nadia: The Secret of Blue Water - The Motion Picture

JA · 19915.1

as Falt (voice)

Marina the Manga Artist Goes to Camelot poster

Marina the Manga Artist Goes to Camelot

JA · 19901.0

as Bijomaru Shizuka (voice)

TOKYO CITY Melhen 2 poster

TOKYO CITY Melhen 2

JA · 1990Not rated

Actor

Ryokunohara Labyrinth - Sparkling Phantom poster

Ryokunohara Labyrinth - Sparkling Phantom

JA · 19903.5

as Hiroki Imashi

Heart-Coloured Killer Ticket poster

Heart-Coloured Killer Ticket

JA · 1990Not rated

as Chuta Misora (voice)

Goddamn poster

Goddamn

JA · 1990Not rated

as Hans Schultz

Midoriyama High School, Koshien Edition (Movie) poster

Midoriyama High School, Koshien Edition (Movie)

JA · 1990Not rated

Actor

Milky Passion: Dougenzaka - The Castle of Love poster

Milky Passion: Dougenzaka - The Castle of Love

JA · 19902.0

as Ootsuki (voice)

Cinderella Express poster

Cinderella Express

JA · 19892.0

as Yuji Shimano

Demon Hunter Makaryūdo poster

Demon Hunter Makaryūdo

JA · 19895.8

as Shou Kurogane (voice)

Hades Project: Zeorymer Extinction poster

Hades Project: Zeorymer Extinction

JA · 19894.7

as Masato Akitsu / Masaki Kihara (voice)

Angel Cop poster

Angel Cop

JA · 19896.2

as Tachihara (voice)

Scarlet Demon poster

Scarlet Demon

JA · 19894.0

Actor

Dragon Century poster

Dragon Century

JA · 19886.0

as Carmine (voice)

Zillion: Burning Night poster

Zillion: Burning Night

JA · 19887.0

as J.J. (voice)

Balthus: Tia's Radiance poster

Balthus: Tia's Radiance

JA · 19885.0

as Eud (voice)

Hades Project: Zeorymer Separation poster

Hades Project: Zeorymer Separation

JA · 19884.1

as Masato Akitsu (voice), as Masaki Kihara (voice)

Sunlight All Around! Ka - su - mi: You Were in My Dreams poster

Sunlight All Around! Ka - su - mi: You Were in My Dreams

JA · 19883.0

as Reporter B (voice)

Kaze wo Nuke! poster

Kaze wo Nuke!

JA · 1988Not rated

Actor

The Samurai poster

The Samurai

JA · 19873.8

as Takeshi Chimatsuri

TO-Y poster

TO-Y

JA · 19877.8

as Shouji (voice)

Maryuu Senki poster

Maryuu Senki

JA · 19873.5

Actor

Campus Special Investigator Hikaruon poster

Campus Special Investigator Hikaruon

JA · 19877.0

as Hikaru Shihodo / Hikaruon (voice)

Castle in the Sky poster

Castle in the Sky

JA · 19868.0

as (voice)

Call Me Tonight poster

Call Me Tonight

JA · 19864.6

as Hayata (voice)