
Toshihiko Seki
- Known for
- Acting
- Born
- June 11, 1962 (age 64)
- Birthplace
- Sendai, Japon
Biography
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
Movie · as Gavarion Trigger System Voice (voice)

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

PROJECT R.E.D.
TV · as GavarionTrigger / CosmoGavarion (voice) · 23 eps

My Ribdiculous Reincarnation
TV · 12 eps

Super Space Sheriff Gavan Infinity
TV · as Cosmo Gavarion System / Gavarion Trigger System (voice), Supreme Chancellor · 23 eps

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

Mashin Creator Wataru
TV · as Mr. Liar (voice) · 2 eps

I Have a Crush at Work
TV · as Pastor (voice) · 1 ep

SANDA
TV · as Hifumi Ōshibu (voice) · 12 eps

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

I Parry Everything
TV · as Carew (voice) · 12 eps

Kaiju No. 8
TV · as Kaiju No. 11 (voice) · 1 ep

Ranma1/2
TV · as Mousse (voice) · 4 eps

Good Bye, Dragon Life
TV · as Dio (voice) · 3 eps

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

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

The Most Heretical Last Boss Queen: From Villainess to Savior
TV · as Clark Darwin (voice) · 12 eps

Rurouni Kenshin
TV · as Narration (voice) · 21 eps

Onimusha
TV · as Kojiro Sasaki (voice) · 8 eps

PLUTO
TV · as Pluto (voice), Sahad (voice) · 3 eps

HIGH CARD
TV · as Norman Kingstat (voice) · 12 eps

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

Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-O
TV · as Momotaros (voice) · 3 eps

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

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

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

The Misfit of Demon King Academy
TV · as Ahide Alobo Agatze (voice) · 6 eps

Higurashi: When They Cry - NEW
TV · as Kyousuke Irie (voice) · 39 eps

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

SAINT SEIYA: Knights of the Zodiac
TV · as Scorpio Milo (voice) · 1 ep

Ascendance of a Bookworm
TV · as Eustachius (voice) · 7 eps

Sarazanmai
TV · as Yuri Kamome · 1 ep

Demon Slayer: Kimetsu no Yaiba
TV · as Muzan Kibutsuji (voice) · 13 eps

Star☆Twinkle PreCure
TV · as Toto Hagoromo (voice) · 3 eps

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

Saint Seiya: Saintia Sho
TV · as Scorpio Milo (voice) · 10 eps

SWORD GAI: The Animation
TV · as Miura Takuma · 12 eps

Golden Kamuy
TV · as Kazuo Henmi (voice) · 62 eps

The Ryuo's Work is Never Done!
TV · as Kiyotaki Kousuke (voice) · 12 eps

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

Mazinger Z: Infinity
Movie · as Tetsuya Tsurugi (voice)

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

The Laughing Salesman NEW
TV · as Shisao Kihara(Story2) · 12 eps

THE REFLECTION
TV · as Michael Holden (voice) · 12 eps

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

Mob Psycho 100
TV · as Morizo Ebihara (voice), Musashi Goda (voice) · 1 ep

Descending Stories
TV · as Eisuke Higuchi (voice) · 25 eps

To Be Hero
TV · as Chinese Tohoku Muffler (voice) · 12 eps

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

Saint Seiya: Soul of Gold
TV · as Scorpio Milo (voice) · 13 eps

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

Space Dandy
TV · as Public Prosecutor (voice) · 1 ep

Cross Ange: Rondo of Angels and Dragons
TV · as Embryo (voice) · 25 eps

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

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

Triple Combination: Transformers Go!
TV · as Gekisōmaru (voice) · 10 eps

声優戦隊ボイストーム7
TV · as (voice) · 11 eps

Gingitsune: Messenger Fox of the Gods
TV · as Tatsuo Saeki (voice) · 12 eps

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

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

Glitter Force
TV · as Hiroshi Hoshizora · 48 eps

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

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

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

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

Saiyuki Gaiden
TV · as Konzen Dōji (voice) · 4 eps

Hunter x Hunter
TV · as Wing (voice) · 10 eps

Guilty Crown
TV · as Kurosu Ouma (voice) · 1 ep

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

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

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

Kamen Rider Decade: Final Stage
Movie · 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
Movie

Psychic Detective Yakumo
TV · as Isshin Saitō · 13 eps

Katanagatari
TV · as Umigame Maniwa (voice) · 12 eps

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

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

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

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

Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
Movie · as Momotaros (voice)

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

Cookin' Idol Ai! Mai! Main!
TV · as 柊修 · 25 eps

Dogs: Bullets & Carnage
TV · as Ernst Rammsteiner · 4 eps

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

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

Kamen Rider Den-O & Kiva: Climax Deka
Movie · as Momotaros (voice)

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

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

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

Sekirei
TV · as Hiroto Minaka · 25 eps

Kamen Rider Den-O: Imagin Anime
TV · as Momotaros (voice) · 34 eps

A Certain Magical Index
TV · as Aleister Crowley (voice) · 9 eps

Blade of the Immortal
TV · as Souri (voice) · 2 eps

Momotaros' King of the Crimson Castle
TV · as Momotaros (voice) · 4 eps

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

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

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

Kamen Rider Den-O: Final Stage
Movie · as Momotaros

Momotaros' Summer Vacation
Movie · as Momotaros (voice)

Naruto Shippūden
TV · as Iruka Umino (voice) · 320 eps

Saiyuki Reload: Burial
TV · as Genjō Sanzō (voice) · 3 eps

Kamen Rider Den-O
TV · as Momotaros (voice) · 49 eps

Loving Angel Angelique
TV · as Luva

Higurashi: When They Cry
TV · as Kyousuke Irie (voice) · 10 eps

Shonen Onmyouji
TV · 26 eps

MÄR: Märchen Awakens Romance
TV · as Danna Toramizu · 102 eps

My-Otome
TV · as Rad (voice) · 26 eps

Paranoia Agent: Part 1
Movie · as まにわ みつひろ

Samurai Champloo
TV · as Yamane (voice) · 26 eps

Paranoia Agent
TV · as Mitsuhiro Maniwa (voice) · 13 eps

My-Hime
TV · as Reito Kanzaki (voice) · 26 eps

Bleach
TV · as Aaroniero Arruruerie (voice)

Gin'yuu Mokushiroku Meine Liebe
TV · as Ludwig Herzog von Mohn nahe Liechtenstein (voice) · 26 eps

RahXephon: Pluralitas Concentio
Movie · as Makoto Isshiki (voice)

Requiem from the Darkness
TV · as Momosuke Yamaoka (voice) · 13 eps

Animation Store Manager
Movie · as Ryuu Raiba (voice)

Saiyuki Interactive
Movie

Mirage of Blaze
TV · as Takaya Ohgi (voice) · 13 eps

Mobile Suit Gundam SEED
TV · as Rau Le Creuset (voice), Rey Za Burrel (voice) · 56 eps

Naruto
TV · as Iruka Umino (voice) · 220 eps

Angelique: Twin Collection
TV · as Luva (voice) · 8 eps

Saint Seiya: The Hades Chapter
TV · as Milo (voice) · 10 eps

.hack//Liminality
TV · 4 eps

Saiyuki: Requiem
Movie · as Genjo Sanzo (voice)

Reign: The Conqueror Movie
Movie · as Alexander

Baby Felix & Friends
Movie · as Felix The Cat

Descendants of Darkness
TV · as Yutaka Watari (voice) · 13 eps

Saiyuki
TV · as Genjo Sanzo (voice), Konzen Douji (voice) · 126 eps

Reign: The Conqueror
TV · as Alexander (voice) · 13 eps

Bビーダマン爆外伝V
TV · as Kurobon · 50 eps

Pet Shop of Horrors
TV · as Count D (voice) · 4 eps

Harlock Saga - The Ring of the Nibelungs
TV · 6 eps

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

TRIGUN
TV · as Legato Bluesummers (voice) · 7 eps

Bomberman B-Daman Bakugaiden
TV · 48 eps

Outlaw Star
TV · as Fred (voice) · 26 eps

Nightwalker: The Midnight Detective
TV · as Bait · 12 eps

Twilight of the Dark Master
Movie · as Shijo Tsunami (voice)

Chimera: Angel of Death
Movie · as Ron (voice)

Dragoon
TV · as Rain Keeves Fearudo (voice) · 3 eps

Hyper Police
TV · as Sakunoshin Chikura · 25 eps

Hakugei: Legend of the Moby Dick
TV · 26 eps

X
Movie · as Shougo

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

Yawara! Atlanta Special
Movie

Violinist of Hamelin: The Movie
Movie · as Raiel (voice)

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

The Legend of Zorro
TV · as Don Diego de la Vega / Zorro (voice) · 52 eps

B'T X
TV · as Quatro (voice) · 14 eps

Special Duty Combat Unit Shinesman
TV · as Shujin Seki (voice) · 2 eps

Bio Hunter
Movie · as Komada

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

Mobile Suit Gundam Wing
TV · as Duo Maxwell (voice) · 49 eps

Udauda Yatteru Hima wa Nee!
TV · as (voice) · 2 eps

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

Wild 7: Biker Knights
Movie · as Dairoku Hiba

Genocyber
Movie · as Sakomizu (voice)

Love Wedge 2
Movie · as Riki (voice)

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

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

The Irresponsible Captain Tylor OVA
TV · as Dom (voice) · 10 eps

Natsuki Crisis
TV · as Kyōtarō Himuro · 2 eps

Wild 7
TV · as Dairoku Hiba · 2 eps

Ocean Waves
Movie · as Yutaka Matsuno (voice)

Ninja Scroll
Movie · as Yurimaru (voice)

Suikoden Demon Century
Movie · as Takateru Suga (voice)

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

Ninja Boy Rantaro
TV · as Hansuke Doi · 702 eps

Aoki Densetsu Shoot!
TV · as Akihiko Himuro (voice) · 58 eps

The Irresponsible Captain Tylor
TV · as Ru Baraba Dom · 26 eps

Black Jack
TV · as Tokio Umetani (voice) · 1 ep

Please Save My Earth
TV · as Mikuro Yakushimaru (voice) · 6 eps

The Weathering Continent
Movie · as Tieh (voice)

Download: Devil's Circuit
Movie · as Sid (voice)

Yawara! Go Get 'Em, Wimpy Kids!!
Movie · as (voice)

Oruorane the Cat Player
Movie · as The Cellist

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

Love Wedge 1
Movie · as Riki (voice)

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

Princess Army: Wedding Combat
TV · as Yuuya Hashiba · 2 eps

Ai no Kusabi
TV · as Riki (voice) · 2 eps

D-1 Devastator
TV · as 谷田辺了 · 2 eps

Bastard!!
TV · 6 eps

Handsome Girl
Movie · as Ichiya Kumagai (voice)

Nadia: The Secret of Blue Water - Nautilus Story II
Movie · as Fate (voice)

Moonlight Pierce
Movie · as Hiroshi Takama (voice)

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

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

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

Yuukan Club
Movie

Trusty Ginjiro
Movie · as Hideki Mitsui (voice)

Nadia: The Secret of Blue Water - The Motion Picture
Movie · as Falt (voice)

Future GPX Cyber Formula
TV · as Jotaro Kaga · 64 eps

Blazing Transfer Student
TV · as Noboru Takizawa (voice) · 2 eps

Here Is Greenwood
TV · as Shinobu Tezuka (voice) · 6 eps

Izumo
TV · as Izumo (voice) · 2 eps

Detonator Orgun
TV · as Knock · 3 eps

Legend of Heavenly Sphere Shurato: The Secret Feud of Creation
TV · as Shurato · 6 eps

Nyūin Bokki Monogatari Ojiji ni!
TV · 2 eps

Akai Hayate
TV · 4 eps

Flaming Rugby Boy: Dodge Danpei
TV · as Nikaidou · 47 eps

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

TOKYO CITY Melhen 2
Movie

Ryokunohara Labyrinth - Sparkling Phantom
Movie · as Hiroki Imashi

Heart-Coloured Killer Ticket
Movie · as Chuta Misora (voice)

Goddamn
Movie · as Hans Schultz

Midoriyama High School, Koshien Edition (Movie)
Movie

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

The Hakkenden: Legend of the Dog Warriors
TV · as Shino Inuzuka (voice) · 13 eps

Goddamn
TV · as Hans Schultz · 2 eps

Nadia: The Secret of Blue Water
TV · as 페이트 · 39 eps

Cinderella Express
Movie · as Yuji Shimano

Demon Hunter Makaryūdo
Movie · as Shou Kurogane (voice)

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

Angel Cop
Movie · as Tachihara (voice)

Scarlet Demon
Movie

Beat Shot!!
Movie · as Akihiko Hanamatsuri (voice)

Ranma ½
TV · as Mousse (voice) · 13 eps

Madö King Granzört
TV · as Grunwald · 41 eps

Dash! Yonkuro
TV · 25 eps

Darkness of the Sea, Shadow of the Moon
TV · as Katsuyuki Touma (voice) · 3 eps

Shurato
TV · as Shurato · 38 eps

Yawara!
TV · as Matsuda / Eiji (voice) · 124 eps

Nightsong of Splendor
TV · 4 eps

Star Cat Full House
TV · 4 eps

Dragon Century
Movie · as Carmine (voice)

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

Balthus: Tia's Radiance
Movie · as Eud (voice)

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

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

Kaze wo Nuke!
Movie

Dragon Century
TV · as Carmine · 2 eps

Spirit Warrior
TV · as Kujaku (voice) · 3 eps

Armor Hunter Merowlink
TV · as PFC Cepres · 1 ep

F
TV · as Gunma Akagi (voice) · 31 eps

Hades Project Zeorymer
TV · as (voice) · 4 eps

The Samurai
Movie · as Takeshi Chimatsuri

TO-Y
Movie · as Shouji (voice)

Maryuu Senki
Movie

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

Zillion
TV · as JJ · 31 eps

Evil Dragon War Chronicles
TV · as 錦繍 (voice) · 2 eps

Castle in the Sky
Movie · as (voice)

Call Me Tonight
Movie · as Hayata (voice)

Magical Emi, the Magic Star
TV · as Customer A (voice) · 1 ep

Musashi no Ken
TV · as Male member (voice) · 1 ep

Kamen Rider
TV · as Kamen Rider Den-O (voice), Momotaros (voice) · 2 eps