Actor · Acting

Toshihiko Seki

Born 1962-06-11

📍 Sendai, Miyagi, Japan

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.

Filmography 244

Untitled Super Space Sheriff Gavan Infinity Summer Movie

as Cosmo Gavarion System Voice / Gavarion Trigger System Voice

My Ribdiculous Reincarnation

Super Space Sheriff Gavan Infinity: Jo-Chaku Course

as Gavarion Trigger System Voice (voice)

as GavarionTrigger / CosmoGavarion (voice)

as Hifumi Ōshibu (voice)

Demon Slayer: Kimetsu no Yaiba Infinity Castle

as Muzan Kibutsuji (voice)

as Chongyue (Voice)

Mashin Creator Wataru

as Mr. Liar (voice)

I Have a Crush at Work

as Pastor (voice)

Nintama Rantarō: Invincible Master of the Dokutake Ninja

as Hansuke Doi (voice)

Good Bye, Dragon Life

as Mousse (voice)

I Parry Everything

as Carew (voice)

as Kaiju No. 11 (voice)

The Birth of Kitaro: The Mystery of GeGeGe

as Kitarou's Father (voice)

as Kojiro Sasaki (voice)

as Pluto (voice)

as Sahad (voice)

The Most Heretical Last Boss Queen: From Villainess to Savior

as Clark Darwin (voice)

Rurouni Kenshin

as Narration (voice)

Black Clover: Sword of the Wizard King

as Conrad Leto (voice)

as Norman Kingstat (voice)

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc

as Muzan Kibutsuji (voice)

Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-O

as Momotaros (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)

Higurashi: When They Cry - NEW

as Kyousuke Irie (voice)

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

as Momotaros (voice)

The Misfit of Demon King Academy

as Ahide Alobo Agatze (voice)

SAINT SEIYA: Knights of the Zodiac

as Scorpio Milo (voice)

Demon Slayer: Kimetsu no Yaiba

as 鬼舞辻无惨（配音）

Demon Slayer: Kimetsu no Yaiba - Sibling's Bond

as Muzan Kibutsuji (voice)

Star☆Twinkle PreCure

as Toto Hagoromo (voice)

Kamen Rider Heisei Generations Forever

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

Saint Seiya: Saintia Sho

as Scorpio Milo (voice)

as Kazuo Henmi (voice)

SWORD GAI: The Animation

as Miura Takuma

The Ryuo's Work is Never Done!

as Kiyotaki Kousuke (voice)

Mazinger Z: Infinity

as Tetsuya Tsurugi (voice)

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

as Michael Holden (voice)

The Laughing Salesman NEW

as Shisao Kihara(Story2)

Kamen Rider × Super Sentai: Ultra Super Hero Wars

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

as Chinese Tohoku Muffler (voice)

as Morizo Ebihara (voice)

as Musashi Goda (voice)

Naruto OVA 12: The Day Naruto Became Hokage

as Iruka Umino (voice)

Showa Genroku Rakugo Shinju

as Eisuke Higuchi (voice)

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

as Char Aznable (voice)

Saint Seiya: Soul of Gold

as Scorpio Milo (voice)

Cross Ange: Rondo of Angels and Dragons

as Embryo (voice)

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

as Kamen Rider Den-O Sword Form (voice)

as Public Prosecutor (voice)

Hunter x Hunter: The Last Mission

as Wing (voice)

Gingitsune: Messenger Fox of the Gods

as Tatsuo Saeki (voice)

声優戦隊ボイストーム7

Higurashi: When They Cry - Outbreak

as Kyousuke Irie (voice)

Triple Combination: Transformers Go!

as Gekisōmaru (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)

as Hiroshi Hoshizora

as Kurosu Ouma (voice)

Hunter x Hunter

as 云古（配音）

Detective Conan: Quarter of Silence

as Shogo Hikawa (voice)

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

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

as Konzen Dōji (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)

Psychic Detective Yakumo

as Isshin Saitō

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

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

as Momotaros (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)

as Umigame Maniwa (voice)

Kamen Rider Decade: Final Stage

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

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

as Kamen Rider Den-O (voice)

10th Anniversary Project: Masked Rider LIVE & SHOW

as Kamen Rider Den-O Sword Form (voice)

Kamen Rider Decade: All Riders vs. Dai-Shocker

as Momotaros / Kamen Rider Den-O (voice)

Dogs: Bullets & Carnage

as Ernst Rammsteiner

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

as Momotaros (voice)

Cookin' Idol Ai! Mai! Main!

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

as Momotaros (voice)

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

as Momotaros (voice)

Imagin Anime: Momotaros Forever!/Imajin Terminal Station

as Momotaros (voice)

A Certain Magical Index

as 亚雷斯塔·克劳利（配音）

Farewell Kamen Rider Den-O: Final Countdown

as Momotaros (voice)

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

as Penetentiary Officer Sanjo

Momotaros' King of the Crimson Castle

as Momotaros (voice)

Kamen Rider Den-O: Final Trilogy Special Edition

as Momotaros (voice)

Momotaros' King of the Crimson Castle

as Momotaros (voice)

Blade of the Immortal

as Souri (voice)

as Hiroto Minaka

Kamen Rider Den-O: Imagin Anime

as Momotaros (voice)

Kamen Rider Den-O & Kiva: Climax Deka

as Momotaros (voice)

Kamen Rider Den-O: Final Stage

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

as Momotaros (voice)

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

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)

Momotaros' Summer Vacation

as Momotaros (voice)

Saiyuki Reload: Burial

as Genjō Sanzō (voice)

Naruto Shippūden

as Iruka Umino (voice)

Kamen Rider Den-O

as Momotaros (voice)

Shonen Onmyouji

Loving Angel Angelique

Higurashi: When They Cry

as Kyousuke Irie (voice)

MÄR: Märchen Awakens Romance

as Danna Toramizu

Gin'yuu Mokushiroku Meine Liebe

as Ludwig Herzog von Mohn nahe Liechtenstein (voice)

as Aaroniero Arruruerie (voice)

as Reito Kanzaki (voice)

Samurai Champloo

as Yamane (voice)

as Mitsuhiro Maniwa (voice)

Paranoia Agent: Part 1

as まにわみつひろ

Requiem from the Darkness

as Momosuke Yamaoka (voice)

Saint Seiya: The Hades Chapter

as Milo (voice)

Mobile Suit Gundam SEED

as Rau Le Creuset (voice)

Mobile Suit Gundam SEED

as Rey Za Burrel (voice)

as 海野伊鲁卡（配音）

Saiyuki Interactive

Animation Store Manager

as Ryuu Raiba (voice)

Angelique: Twin Collection

as Luva (voice)

Mirage of Blaze

as Takaya Ohgi (voice)

Saiyuki: Requiem

as Genjo Sanzo (voice)

Reign: The Conqueror Movie

Descendants of Darkness

as Yutaka Watari (voice)

as Genjo Sanzo (voice)

as Konzen Douji (voice)

Baby Felix & Friends

as Felix The Cat

Reign: The Conqueror

as Alexander (voice)

Pet Shop of Horrors

as Count D (voice)

Bビーダマン爆外伝V

Harlock Saga - The Ring of the Nibelungs

Gundam Wing: The Endless Waltz

as Duo Maxwell (voice)

Nightwalker: The Midnight Detective

as Legato Bluesummers (voice)

Bomberman B-Daman Bakugaiden

as Fred (voice)

Twilight of the Dark Master

as Shijo Tsunami (voice)

Chimera: Angel of Death

as Rain Keeves Fearudo (voice)

Hakugei: Legend of the Moby Dick

as Sakunoshin Chikura

Ultraman Super Fighter Legend

as Ultraseven / Ultraman Leo (voice)

Yawara! Atlanta Special

Violinist of Hamelin: The Movie

as Raiel (voice)

as Quatro (voice)

The Legend of Zorro

as Don Diego de la Vega / Zorro

Special Duty Combat Unit Shinesman

as Shujin Seki (voice)

The End of the Century Darling

as Todorokki Kouhei (voice)

Mobile Suit Gundam Wing

as Duo Maxwell (voice)

Udauda Yatteru Hima wa Nee!

Wild 7: Biker Knights

as Dairoku Hiba

as Dairoku Hiba

The Irresponsible Captain Tylor OVA

I'm Not an Angel!

as Bunta Kouno (voice)

as Riki (voice)

Dorami-chan: A Blue Straw Hat

as Crow (voice)

as Sakomizu (voice)

as Kyōtarō Himuro

Please Save My Earth

as Mikuro Yakushimaru (voice)

as Tokio Umetani (voice)

Aoki Densetsu Shoot!

as Akihiko Himuro (voice)

as Yutaka Matsuno (voice)

Suikoden Demon Century

as Takateru Suga (voice)

Kiss Me on the Apple of My Eye

as Naoto (voice)

as Yurimaru (voice)

Ninja Boy Rantaro

The Irresponsible Captain Tylor

as Ru Baraba Dom

Download: Devil's Circuit

as 谷田辺了

Oruorane the Cat Player

as Riki (voice)

as Riki (voice)

Ranma 1/2 the Movie 2: Nihao My Concubine

as Mousse (voice)

Yawara! Go Get 'Em, Wimpy Kids!!

Princess Army: Wedding Combat

as Yuuya Hashiba

Calico Cat Holmes and the Lord of the Haunted Castle

as Yoshitaro Katayama (voice)

The Weathering Continent

as Tieh (voice)

Moonlight Pierce

as Hiroshi Takama (voice)

Nyūin Bokki Monogatari Ojiji ni!

Inferious Interplanetary War Chronicle - Condition Green

as Soo Laform (voice)

Here Is Greenwood

as Shinobu Tezuka (voice)

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

as Mousse (voice)

as Ichiya Kumagai (voice)

as Izumo (voice)

Legend of Heavenly Sphere Shurato: The Secret Feud of Creation

Detonator Orgun

Nadia: The Secret of Blue Water - The Motion Picture

as Falt (voice)

Nadia: The Secret of Blue Water - Nautilus Story II

as Fate (voice)

as Hideki Mitsui (voice)

Hisashi Eguchi's Kotobuki Goro Show

as Piston Akagi (voice)

Blazing Transfer Student

as Noboru Takizawa (voice)

Future GPX Cyber Formula

Hakkenden: Legend of the Dog Warriors

as Shino Inuzuka (voice)

TOKYO CITY Melhen 2

Marina the Manga Artist Goes to Camelot

as Bijomaru Shizuka (voice)

Midoriyama High School, Koshien Edition (Movie)

Milky Passion: Dougenzaka - The Castle of Love

as Ootsuki (voice)

as Hans Schultz

as Hans Schultz

Nadia: The Secret of Blue Water

as Fejto (voice)

Heart-Coloured Killer Ticket

as Chuta Misora (voice)

Ryokunohara Labyrinth - Sparkling Phantom

as Hiroki Imashi

Demon Hunter Makaryūdo

as Shou Kurogane (voice)

as Matsuda / Eiji (voice)

Darkness of the Sea, Shadow of the Moon

as Katsuyuki Touma (voice)

as Tachihara (voice)

Cinderella Express

as Yuji Shimano

Star Cat Full House

as Mousse (voice)

Madö King Granzört

Nightsong of Splendor

Hades Project: Zeorymer Extinction

as Masato Akitsu / Masaki Kihara (voice)

Hades Project: Zeorymer Separation

as Masaki Kihara (voice)

Hades Project: Zeorymer Separation

as Masato Akitsu (voice)

Hades Project Zeorymer

Armor Hunter Merowlink

as Carmine (voice)

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

as Reporter B (voice)

Zillion: Burning Night

as J.J. (voice)

as Kujaku (voice)

Balthus: Tia's Radiance

as Gunma Akagi (voice)

as Takeshi Chimatsuri

as Shouji (voice)

Evil Dragon War Chronicles

as 錦繍 (voice)

Campus Special Investigator Hikaruon

as Hikaru Shihodo / Hikaruon (voice)

Castle in the Sky

as Additional Voices (voice)

Call Me Tonight

as Hayata (voice)

Magical Emi, the Magic Star

as Customer A (voice)

as Kamen Rider Den-O (voice)

as Momotaros (voice)