Toshihiko Seki
Acting
Born: June 11, 1962 (age 64) · Sendai, Japon
Highest Rated
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
Naruto Shippūden
2007
Demon Slayer: Kimetsu no Yaiba
2019
Naruto
2002
Castle in the Sky
1986
Bleach
2004
Hunter x Hunter
2011
Ranma ½
1989
Mob Psycho 100
2016
Road to Ninja: Naruto the Movie
2012
Ocean Waves
1993
Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025
The Misfit of Demon King Academy
2020
Photos (1)
Movies (114)
Demon Slayer: Kimetsu no Yaiba Infinity Castle
Muzan Kibutsuji (voice)
Castle in the Sky
(voice)
Black Clover: Sword of the Wizard King
Conrad Leto (voice)
Ocean Waves
Yutaka Matsuno (voice)
Road to Ninja: Naruto the Movie
Iruka Umino (voice)
Detective Conan: Quarter of Silence
Shogo Hikawa (voice)
My Hero Academia: World Heroes' Mission
Eddie Soul (voice)
Mazinger Z: Infinity
Tetsuya Tsurugi (voice)
Ninja Scroll
Yurimaru (voice)
Gundam Wing: The Endless Waltz
Duo Maxwell (voice)
Mobile Suit Gundam: The Origin II – Artesia's Sorrow
Char Aznable (voice)
X
Shougo
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond
Muzan Kibutsuji (voice)
Hunter x Hunter: The Last Mission
Wing (voice)
Ranma 1/2 the Movie 2: Nihao My Concubine
Mousse (voice)
The Birth of Kitaro: The Mystery of GeGeGe
Kitarou's Father (voice)
Nintama Rantarō: Invincible Master of the Dokutake Ninja
Hansuke Doi (voice)
Ranma 1/2 the Movie: Big Trouble in Nekonron, China
Mousse (voice)
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
Kamen Rider Den-O Sword Form (voice)
Campus Special Investigator Hikaruon
Hikaru Shihodo / Hikaruon (voice)
The Weathering Continent
Tieh (voice)
Twilight of the Dark Master
Shijo Tsunami (voice)
Angel Cop
Tachihara (voice)
Kamen Rider Den-O The Movie: I'm Born!
Momotaros (voice)
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
Momotaros (voice) / Kamen Rider Den-O (voice)
Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle
Momotaros (voice)
Kamen Rider × Kamen Rider W & Decade: Movie War 2010
Kamen Rider Den-O (voice)
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
Momotaros (voice)
OOO, Den-O, All Riders: Let's Go Kamen Riders
Momotaros / Kamen Rider Den-O Sword Form (voice)
Kamen Rider Kiva: King of the Castle in the Demon World
Penetentiary Officer Sanjo
Inferious Interplanetary War Chronicle - Condition Green
Soo Laform (voice)
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
Muzan Kibutsuji (voice)
Baby Felix & Friends
Felix The Cat
Kamen Rider Decade: All Riders vs. Dai-Shocker
Momotaros / Kamen Rider Den-O (voice)
Kamen Rider × Super Sentai: Super Hero Wars
Momotaros - Kamen Rider Den-O Sword Form (voice)
Naruto OVA 12: The Day Naruto Became Hokage
Iruka Umino (voice)
The Samurai
Takeshi Chimatsuri
Saiyuki: Requiem
Genjo Sanzo (voice)
Kamen Rider × Super Sentai: Ultra Super Hero Wars
Momotaros - Kamen Rider Den-O Sword Form (voice)
Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi
Cosmo Gavarion System Voice / Gavarion Trigger System Voice
Balthus: Tia's Radiance
Eud (voice)
Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!
Hansuke Doi (voice)
Momotaros' Summer Vacation
Momotaros (voice)
Kamen Rider Heisei Generations Forever
Momotaros / Kamen Rider Den-O Sword Form (voice)
Love Wedge 2
Riki (voice)
Kamen Rider Den-O & Kiva: Climax Deka
Momotaros (voice)
Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates
Momotaros (voice)
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral
Momotaros (voice)
Bio Hunter
Komada
TO-Y
Shouji (voice)
Higurashi: When They Cry - Outbreak
Kyousuke Irie (voice)
Kaze wo Nuke!
1988
Maryuu Senki
1987
Nadia: The Secret of Blue Water - Nautilus Story II
Fate (voice)
Download: Devil's Circuit
Sid (voice)
Genocyber
Sakomizu (voice)
Hades Project: Zeorymer Separation
Masaki Kihara (voice)
Hades Project: Zeorymer Separation
Masato Akitsu (voice)
Nadia: The Secret of Blue Water - The Motion Picture
Falt (voice)
Ryokunohara Labyrinth - Sparkling Phantom
Hiroki Imashi
Moonlight Pierce
Hiroshi Takama (voice)
Farewell Kamen Rider Den-O: Final Countdown
Momotaros (voice)
Kamen Rider Den-O: Final Trilogy Special Edition
Momotaros (voice)
Call Me Tonight
Hayata (voice)
Imagin Anime: Momotaros Forever!/Imajin Terminal Station
Momotaros (voice)
Kamen Rider Den-O: Singing, Dancing, Great Training!!
Momotaros (voice)
Oruorane the Cat Player
The Cellist
Ultraman Super Fighter Legend
Ultraseven / Ultraman Leo (voice)
Sunlight All Around! Ka - su - mi: You Were in My Dreams
Reporter B (voice)
Reign: The Conqueror Movie
Alexander
Goddamn
Hans Schultz
Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010
2010
Hisashi Eguchi's Kotobuki Goro Show
Piston Akagi (voice)
Animation Store Manager
Ryuu Raiba (voice)
Midoriyama High School, Koshien Edition (Movie)
1990
Yuukan Club
1991
Love Wedge 1
Riki (voice)
Kiss Me on the Apple of My Eye
Naoto (voice)
Momotaros' King of the Crimson Castle
Momotaros (voice)
Kamen Rider Decade: Final Stage
Momotaros / Kamen Rider Den-O (Sword Form)
The End of the Century Darling
Todorokki Kouhei (voice)
TOKYO CITY Melhen 2
1990
OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~
Momotaros (voice)
Hades Project: Zeorymer Extinction
Masato Akitsu / Masaki Kihara (voice)
Kamen Rider Kiva & Den-O: DenLiner, Into Space!
Momotaros (voice)
Trusty Ginjiro
Hideki Mitsui (voice)
Violinist of Hamelin: The Movie
Raiel (voice)
Milky Passion: Dougenzaka - The Castle of Love
Ootsuki (voice)
Suikoden Demon Century
Takateru Suga (voice)
Kamen Rider Den-O: Final Stage
Momotaros
I'm Not an Angel!
Bunta Kouno (voice)
Demon Hunter Makaryūdo
Shou Kurogane (voice)
Marina the Manga Artist Goes to Camelot
Bijomaru Shizuka (voice)
Calico Cat Holmes and the Lord of the Haunted Castle
Yoshitaro Katayama (voice)
Yawara! Atlanta Special
1996
Scarlet Demon
1989
Cinderella Express
Yuji Shimano
Dorami-chan: A Blue Straw Hat
Crow (voice)
Wild 7: Biker Knights
Dairoku Hiba
Kamen Rider Den-O: The Birth of Pretty Den-O!
Momotaros (voice)
Super Space Sheriff Gavan Infinity: Jo-Chaku Course
Gavarion Trigger System Voice (voice)
Zillion: Burning Night
J.J. (voice)
Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!
Momotaros (voice)
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
Momotaros
Saiyuki Interactive
2002
10th Anniversary Project: Masked Rider LIVE & SHOW
Kamen Rider Den-O Sword Form (voice)
The Irresponsible Captain Tylor: Tylor's War
Ru Baraba Dom (voice)
Yawara! Go Get 'Em, Wimpy Kids!!
(voice)
Dragon Century
Carmine (voice)
Heart-Coloured Killer Ticket
Chuta Misora (voice)
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
Momotaros (voice)
Handsome Girl
Ichiya Kumagai (voice)
Paranoia Agent: Part 1
まにわ みつひろ
Chimera: Angel of Death
Ron (voice)
TV Shows (136)
Kamen Rider
Kamen Rider Den-O (voice) · 2 eps
Kamen Rider
Momotaros (voice) · 54 eps
Bleach
Aaroniero Arruruerie (voice)
Naruto
Iruka Umino (voice) · 220 eps
Ninja Boy Rantaro
Hansuke Doi · 702 eps
Naruto Shippūden
Iruka Umino (voice) · 320 eps
Hunter x Hunter
Wing (voice) · 10 eps
Ranma ½
Mousse (voice) · 13 eps
Mob Psycho 100
Morizo Ebihara (voice) · 1 eps
Mob Psycho 100
Musashi Goda (voice) · 14 eps
Ranma1/2
Mousse (voice) · 4 eps
Saiyuki
Genjo Sanzo (voice) · 126 eps
Saiyuki
Konzen Douji (voice) · 50 eps
A Certain Magical Index
Aleister Crowley (voice) · 9 eps
Rurouni Kenshin
Narration (voice) · 21 eps
Mobile Suit Gundam SEED
Rau Le Creuset (voice) · 56 eps
Mobile Suit Gundam SEED
Rey Za Burrel (voice) · 50 eps
Kaiju No. 8
Kaiju No. 11 (voice) · 1 eps
Golden Kamuy
Kazuo Henmi (voice) · 62 eps
The Misfit of Demon King Academy
Ahide Alobo Agatze (voice) · 6 eps
Ascendance of a Bookworm
Eustachius (voice) · 7 eps
Yawara!
Matsuda / Eiji (voice) · 124 eps
MÄR: Märchen Awakens Romance
Danna Toramizu · 102 eps
Higurashi: When They Cry
Kyousuke Irie (voice) · 10 eps
TRIGUN
Legato Bluesummers (voice) · 7 eps
Higurashi: When They Cry - NEW
Kyousuke Irie (voice) · 39 eps
Nadia: The Secret of Blue Water
Fejto (voice) · 39 eps
Saint Seiya: The Hades Chapter
Milo (voice) · 10 eps
Guilty Crown
Kurosu Ouma (voice) · 1 eps
Sekirei
Hiroto Minaka · 25 eps
Space Dandy
Public Prosecutor (voice) · 1 eps
Demon Slayer: Kimetsu no Yaiba
Muzan Kibutsuji (voice) · 13 eps
PLUTO
Sahad (voice) · 1 eps
PLUTO
Pluto (voice) · 3 eps
Mobile Suit Gundam Wing
Duo Maxwell (voice) · 49 eps
Descending Stories
Eisuke Higuchi (voice) · 25 eps
The Most Heretical Last Boss Queen: From Villainess to Savior
Clark Darwin (voice) · 12 eps
Samurai Champloo
Yamane (voice) · 26 eps
Star☆Twinkle PreCure
Toto Hagoromo (voice) · 3 eps
Future GPX Cyber Formula
Jotaro Kaga · 64 eps
SAINT SEIYA: Knights of the Zodiac
Scorpio Milo (voice) · 1 eps
Glitter Force
Hiroshi Hoshizora · 48 eps
HIGH CARD
Norman Kingstat (voice) · 12 eps
The Hakkenden: Legend of the Dog Warriors
Shino Inuzuka (voice) · 13 eps
To Be Hero
Chinese Tohoku Muffler (voice) · 12 eps
Magical Emi, the Magic Star
Customer A (voice) · 1 eps
My-Hime
Reito Kanzaki (voice) · 26 eps
PROJECT R.E.D.
GavarionTrigger / CosmoGavarion (voice) · 23 eps
I Have a Crush at Work
Pastor (voice) · 1 eps
Black Jack
Tokio Umetani (voice) · 1 eps
Shurato
Shurato · 38 eps
The Irresponsible Captain Tylor
Ru Baraba Dom · 26 eps
Good Bye, Dragon Life
Dio (voice) · 3 eps
Paranoia Agent
Mitsuhiro Maniwa (voice) · 13 eps
Madö King Granzört
Grunwald · 41 eps
The Ryuo's Work is Never Done!
Kiyotaki Kousuke (voice) · 12 eps
I Parry Everything
Carew (voice) · 12 eps
The Legend of Zorro
Don Diego de la Vega / Zorro · 52 eps
Cross Ange: Rondo of Angels and Dragons
Embryo (voice) · 25 eps
SANDA
Hifumi Ōshibu (voice) · 12 eps
Mashin Creator Wataru
Mr. Liar (voice) · 2 eps
B'T X
Quatro (voice) · 14 eps
Aoki Densetsu Shoot!
Akihiko Himuro (voice) · 58 eps
Blade of the Immortal
Souri (voice) · 2 eps
Saint Seiya: Soul of Gold
Scorpio Milo (voice) · 13 eps
Kamen Rider Den-O
Momotaros (voice) · 49 eps
Katanagatari
Umigame Maniwa (voice) · 12 eps
Saint Seiya: Saintia Sho
Scorpio Milo (voice) · 10 eps
Musashi no Ken
Male member (voice) · 1 eps
Hyper Police
Sakunoshin Chikura · 25 eps
Zillion
JJ · 31 eps
Loving Angel Angelique
Luva
Sarazanmai
Yuri Kamome · 1 eps
Onimusha
Kojiro Sasaki (voice) · 8 eps
My Ribdiculous Reincarnation
12 eps
Gingitsune: Messenger Fox of the Gods
Tatsuo Saeki (voice) · 12 eps
Gin'yuu Mokushiroku Meine Liebe
Ludwig Herzog von Mohn nahe Liechtenstein (voice) · 26 eps
My-Otome
Rad (voice) · 26 eps
Requiem from the Darkness
Momosuke Yamaoka (voice) · 13 eps
Kamen Rider Den-O: Imagin Anime
Momotaros (voice) · 34 eps
Mirage of Blaze
Takaya Ohgi (voice) · 13 eps
Hakugei: Legend of the Moby Dick
26 eps
Armor Hunter Merowlink
PFC Cepres · 1 eps
The Irresponsible Captain Tylor OVA
Dom (voice) · 10 eps
SWORD GAI: The Animation
Miura Takuma · 12 eps
Descendants of Darkness
Yutaka Watari (voice) · 13 eps
Bastard!!
6 eps
Hades Project Zeorymer
(voice) · 4 eps
Detonator Orgun
Knock · 3 eps
Outlaw Star
Fred (voice) · 26 eps
Bビーダマン爆外伝V
Kurobon · 50 eps
F
Gunma Akagi (voice) · 31 eps
The Laughing Salesman NEW
Shisao Kihara(Story2) · 12 eps
Mobile Suit Gundam SEED HD Remaster
Rey Za Burrel (voice), Rau Le Creuset (voice) · 98 eps
Nightwalker: The Midnight Detective
Bait · 12 eps
Shonen Onmyouji
26 eps
Dash! Yonkuro
25 eps
Reign: The Conqueror
Alexander (voice) · 13 eps
Cookin' Idol Ai! Mai! Main!
柊修 · 25 eps
Triple Combination: Transformers Go!
Gekisōmaru (voice) · 10 eps
THE REFLECTION
Michael Holden (voice) · 12 eps
Please Save My Earth
Mikuro Yakushimaru (voice) · 6 eps
Psychic Detective Yakumo
Isshin Saitō · 13 eps
U Takes Terra
Chongyue (Voice) · 1 eps
Ai no Kusabi
Riki (voice) · 2 eps
Bomberman B-Daman Bakugaiden
48 eps
Angelique: Twin Collection
Luva (voice) · 8 eps
Blazing Transfer Student
Noboru Takizawa (voice) · 2 eps
Here Is Greenwood
Shinobu Tezuka (voice) · 6 eps
Wild 7
Dairoku Hiba · 2 eps
Special Duty Combat Unit Shinesman
Shujin Seki (voice) · 2 eps
声優戦隊ボイストーム7
(voice) · 11 eps
Spirit Warrior
Kujaku (voice) · 3 eps
Udauda Yatteru Hima wa Nee!
(voice) · 2 eps
Saiyuki Reload: Burial
Genjō Sanzō (voice) · 3 eps
Akai Hayate
4 eps
Dogs: Bullets & Carnage
Ernst Rammsteiner · 4 eps
Nightsong of Splendor
4 eps
Harlock Saga - The Ring of the Nibelungs
6 eps
Flaming Rugby Boy: Dodge Danpei
Nikaidou · 47 eps
Nyūin Bokki Monogatari Ojiji ni!
2 eps
Princess Army: Wedding Combat
Yuuya Hashiba · 2 eps
Saiyuki Gaiden
Konzen Dōji (voice) · 4 eps
D-1 Devastator
谷田辺了 · 2 eps
Legend of Heavenly Sphere Shurato: The Secret Feud of Creation
Shurato · 6 eps
Goddamn
Hans Schultz · 2 eps
Pet Shop of Horrors
Count D (voice) · 4 eps
Evil Dragon War Chronicles
錦繍 (voice) · 2 eps
Dragon Century
Carmine · 2 eps
Natsuki Crisis
Kyōtarō Himuro · 2 eps
Darkness of the Sea, Shadow of the Moon
Katsuyuki Touma (voice) · 3 eps
Momotaros' King of the Crimson Castle
Momotaros (voice) · 4 eps
Dragoon
Rain Keeves Fearudo (voice) · 3 eps
Star Cat Full House
4 eps
Izumo
Izumo (voice) · 2 eps
Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-O
Momotaros (voice) · 3 eps