Toshihiko Seki
Personal Info
Known For
Acting
Gender
Male
Birthday
1962-06-11
Place of Birth
Sendai, Miyagi, Japan
Toshihiko Seki
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.
Also Known For
Castle in the Sky
Aug 02, 1986
Twilight of the Dark Master
Nov 11, 1997
Ocean Waves
Oct 09, 1993
I'm Not an Angel!
Sep 21, 1994
Ninja Scroll
Jun 05, 1993
Higurashi: When They Cry - Outbreak
Aug 15, 2013
Marina the Manga Artist Goes to Camelot
Aug 25, 1990
X: The Movie
Aug 02, 1996
The End of the Century Darling
Feb 16, 1996
Cinderella Express
Aug 16, 1989
TOKYO CITY Melhen 2
Sep 25, 1990
Handsome Girl
Sep 29, 1991
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
Mar 29, 2014
Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!
Aug 03, 2007
Kamen Rider Den-O: Final Trilogy Special Edition
Jul 21, 2008
Kamen Rider Decade: All Riders vs. Dai-Shocker
Aug 08, 2009
Kamen Rider × Kamen Rider W & Decade: Movie War 2010
Dec 12, 2009
Kamen Rider Kiva: King of the Castle in the Demon World
Aug 09, 2008
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
Oct 06, 2017
Bio Hunter
Dec 08, 1995
My Hero Academia: World Heroes' Mission
Aug 06, 2021
Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle
May 22, 2010
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral
Jun 05, 2010
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
Jul 22, 2021
The Birth of Kitaro: The Mystery of GeGeGe
Nov 17, 2023
Naruto OVA 13: The Day Naruto Became Hokage
Jul 06, 2016
OOO, Den-O, All Riders: Let's Go Kamen Riders
Apr 01, 2011
Gundam Wing: The Endless Waltz
Aug 01, 1998
Nadia: The Secret of Blue Water - Nautilus Story II
Jun 21, 1991
Kamen Rider Kiva & Den-O: DenLiner, Into Space!
Jan 02, 2009
Black Clover: Sword of the Wizard King
Jun 16, 2023
Ryokunohara Labyrinth - Sparkling Phantom
Jan 01, 1990
The Samurai
Nov 01, 1987
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
Feb 21, 2009
TO-Y
Oct 01, 1987
Call Me Tonight
Jul 28, 1986
Dragon Century
Oct 26, 1988
The Weathering Continent
Jun 21, 1992
Wild 7: Biker Knights
Dec 17, 1994
Genocyber
Mar 02, 1994
Nintama Rantarō: Invincible Master of the Dokutake Ninja
Dec 20, 2024
Zillion: Burning Night
Jun 21, 1988
Saiyuki: Requiem
Aug 18, 2001
Suikoden Demon Century
Sep 25, 1993
Heart-Coloured Killer Ticket
Feb 03, 1990
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
Aug 25, 2022
Balthus: Tia's Radiance
Apr 09, 1988
Demon Hunter Makaryūdo
Nov 08, 1989
Download: Devil's Circuit
Dec 18, 1992
Yawara! Go Get 'Em, Wimpy Kids!!
Aug 01, 1992
Yawara! Atlanta Special
Jul 19, 1996
Kamen Rider Den-O The Movie: I'm Born!
Aug 04, 2007
Kamen Rider Den-O & Kiva: Climax Deka
Apr 12, 2008
Farewell Kamen Rider Den-O: Final Countdown
Oct 04, 2008
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
May 01, 2009
Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates
Jun 19, 2010
Mazinger Z: Infinity
Oct 27, 2017
Moonlight Pierce
Dec 14, 1991
Hades Project: Zeorymer Separation
Nov 26, 1988
Hades Project: Zeorymer Separation
Nov 26, 1988
Hades Project: Zeorymer Extinction
Jan 01, 1989
Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!
Mar 12, 2011
Kiss Me on the Apple of My Eye
Aug 27, 1993
Maryuu Senki
Mar 05, 1987
Oruorane the Cat Player
Nov 26, 1992
Campus Special Investigator Hikaruon
Jan 28, 1987
Kamen Rider Heisei Generations Forever
Dec 22, 2018
Chimera: Angel of Death
Oct 10, 1997
OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~
Mar 11, 2011
Kamen Rider Den-O: Singing, Dancing, Great Training!!
Sep 01, 2007
Goddamn
Apr 27, 1990
Animation Store Manager
Aug 19, 2002
Mobile Suit Gundam: The Origin II - Artesia's Sorrow
Oct 31, 2015
Hisashi Eguchi's Kotobuki Goro Show
May 21, 1991
Angel Cop
Sep 01, 1989
Ranma 1/2 the Movie: Big Trouble in Nekonron, China
Nov 02, 1991
Calico Cat Holmes and the Lord of the Haunted Castle
Jul 21, 1992
Love Wedge 1
Aug 31, 1992
Love Wedge 2
May 21, 1994
Kamen Rider Decade: Final Stage
Jan 21, 2010
Inferious Interplanetary War Chronicle - Condition Green
Nov 29, 1991
Reign: The Conqueror Movie
Oct 27, 2000
Midoriyama High School, Koshien Edition (Movie)
Jun 29, 1990
Sunlight All Around! Ka - su - mi: You Were in My Dreams
Oct 01, 1988
Kamen Rider Den-O: Final Stage
Dec 06, 2007
Road to Ninja: Naruto the Movie
Jul 28, 2012
Kamen Rider Den-O: The Birth of Pretty Den-O!
Aug 14, 2020
Milky Passion: Dougenzaka - The Castle of Love
Jun 23, 1990
Kamen Rider × Super Sentai: Super Hero Wars
Apr 21, 2012
Kamen Rider × Super Sentai: Ultra Super Hero Wars
Mar 25, 2017
Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010
Sep 21, 2010
Hunter x Hunter: The Last Mission
Dec 27, 2013
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond
Mar 29, 2019
Baby Felix & Friends
Jan 01, 2000
Detective Conan: Quarter of Silence
Apr 16, 2011
Yuukan Club
Jul 25, 1991
Violinist of Hamelin: The Movie
Apr 20, 1996
Vampire Hunter D: Bloodlust
Apr 21, 2001
Ultraman Super Fighter Legend
Sep 25, 1996
Kaze wo Nuke!
Dec 16, 1988
Demon Slayer: Kimetsu no Yaiba Infinity Castle
Jul 18, 2025
Momotaros' Summer Vacation
Aug 03, 2007
Imagin Anime: Momotaros Forever!/Imajin Terminal Station
Oct 07, 2008
Momotaros' King of the Crimson Castle
Aug 08, 2008
Scarlet Demon
Apr 20, 1989
Saiyuki Interactive
Sep 19, 2002
Trusty Ginjiro
May 22, 1991
Nadia: The Secret of Blue Water - The Motion Picture
Jun 29, 1991
Dorami-chan: A Blue Straw Hat
Mar 12, 1994
10th Anniversary Project: Masked Rider LIVE & SHOW
Nov 21, 2009
Ranma 1/2 the Movie 2: Nihao My Concubine
Aug 02, 1992
Ranma 1/2 OVA 2: Tendo Family Christmas Scramble
Dec 17, 1993
Samurai Champloo
May 20, 2004
Mirage of Blaze
Jan 07, 2002
Dragoon
Jul 25, 1997
Future GPX Cyber Formula
Mar 15, 1991
Paranoia Agent
Feb 03, 2004
Dragon Century
Oct 26, 1988
Descendants of Darkness
Oct 02, 2000
My-Hime
Sep 30, 2004
Saint Seiya: Saintia Sho
Dec 10, 2018
Reign: The Conqueror
Sep 14, 1999
Mob Psycho 100
Jul 12, 2016
Mobile Suit Gundam SEED
Oct 05, 2002
Nadia: The Secret of Blue Water
Apr 13, 1990
The Legend of Zorro
Apr 05, 1996
The Irresponsible Captain Tylor OVA
Oct 01, 1994
Mobile Suit Gundam Wing
Apr 07, 1995
Ranma ½
Apr 15, 1989
Blazing Transfer Student
May 21, 1991
Madö King Granzört
Apr 07, 1989
Bleach
Oct 05, 2004
Sekirei
Jul 02, 2008
Hyper Police
Apr 03, 1997
Ninja Boy Rantaro
Apr 10, 1993
Loving Angel Angelique
Jul 08, 2006
Naruto Shippūden
Feb 15, 2007
Psychic Detective Yakumo
Oct 03, 2010
Glitter Force
Feb 05, 2012
Naruto
Oct 03, 2002
Katanagatari
Jan 25, 2010
Zillion
Apr 12, 1987
Aoki Densetsu Shoot!
Nov 07, 1993
The Irresponsible Captain Tylor
Jan 25, 1993
Saiyuki
Apr 04, 2000
Saiyuki
Apr 04, 2000
Gin'yuu Mokushiroku Meine Liebe
Nov 04, 2004
Requiem from the Darkness
Oct 03, 2003
Space Dandy
Jan 04, 2014
Higurashi: When They Cry
Apr 05, 2006
Angelique: Twin Collection
Mar 27, 2002
Udauda Yatteru Hima wa Nee!
Apr 07, 1995
Cross Ange: Rondo of Angels and Dragons
Oct 05, 2014
Here Is Greenwood
Nov 21, 1991
Izumo
Sep 21, 1991
Natsuki Crisis
Feb 23, 1994
Princess Army: Wedding Combat
Aug 01, 1992
Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-O
Mar 01, 2022
The Most Heretical Last Boss Queen: From Villainess to Savior
Jul 07, 2023
Spirit Warrior
Apr 29, 1988
Saiyuki Gaiden
Mar 25, 2011
Kamen Rider
Apr 03, 1971
Rurouni Kenshin
Jul 07, 2023
Saiyuki Reload: Burial
Apr 27, 2007
Ai no Kusabi
Aug 31, 1992
Kamen Rider Den-O: Imagin Anime
Apr 24, 2008
Saint Seiya: Soul of Gold
Apr 11, 2015
TRIGUN
Apr 02, 1998
Armor Hunter Merowlink
Nov 21, 1988
Kamen Rider
Apr 03, 1971
Saint Seiya: The Hades Chapter
Nov 09, 2002
SAINT SEIYA: Knights of the Zodiac
Jul 19, 2019
Black Jack
Dec 12, 1993
B'T X
Apr 06, 1996
Onimusha
Nov 02, 2023
Hunter x Hunter
Oct 02, 2011
Special Duty Combat Unit Shinesman
Feb 21, 1996
Hakkenden: Legend of the Dog Warriors
Oct 25, 1990
Cookin' Idol Ai! Mai! Main!
Mar 30, 2009
Hakugei: Legend of the Moby Dick
Apr 09, 1997
PLUTO
Oct 26, 2023
PLUTO
Oct 26, 2023
The Laughing Salesman NEW
Apr 03, 2017
Mob Psycho 100
Jul 12, 2016
Bomberman B-Daman Bakugaiden
Feb 07, 1998
SWORD GAI: The Animation
Mar 23, 2018
Dash! Yonkuro
Oct 03, 1989
Golden Kamuy
Apr 09, 2018
Goddamn
Apr 27, 1990
Dogs: Bullets & Carnage
May 19, 2009
Darkness of the Sea, Shadow of the Moon
Oct 14, 1989
Magical Emi, the Magic Star
Jun 07, 1985
MÄR: Märchen Awakens Romance
Apr 03, 2005
A Certain Magical Index
Oct 05, 2008
Triple Combination: Transformers Go!
Jun 01, 2013
Detonator Orgun
Aug 25, 1991
声優戦隊ボイストーム7
Oct 05, 2013
F
Mar 09, 1988
Wild 7
Dec 17, 1994
Bビーダマン爆外伝V
Feb 07, 1999
I Parry Everything
Jul 05, 2024
HIGH CARD
Jan 09, 2023
The Ryuo's Work is Never Done!
Jan 08, 2018
Gingitsune: Messenger Fox of the Gods
Oct 07, 2013
Pet Shop of Horrors
Mar 01, 1999
Shurato
Apr 06, 1989
The Misfit of Demon King Academy
Jul 04, 2020
Outlaw Star
Jan 09, 1998
Nightwalker: The Midnight Detective
Jul 08, 1998
Showa Genroku Rakugo Shinju
Jan 09, 2016
To Be Hero
Oct 05, 2016
Mobile Suit Gundam SEED
Oct 05, 2002
Yawara!
Oct 16, 1989
Legend of Heavenly Sphere Shurato: The Secret Feud of Creation
Sep 16, 1991
Sarazanmai
Apr 12, 2019
Demon Slayer: Kimetsu no Yaiba
Apr 06, 2019
Blade of the Immortal
Jul 14, 2008
Higurashi: When They Cry - NEW
Oct 01, 2020
Please Save My Earth
Dec 17, 1993
D-1 Devastator
Dec 11, 1992
Kamen Rider Den-O
Jan 28, 2007
Star☆Twinkle PreCure
Feb 03, 2019
Nyūin Bokki Monogatari Ojiji ni!
Dec 05, 1991
Evil Dragon War Chronicles
Mar 05, 1987
Hades Project Zeorymer
Nov 26, 1988
THE REFLECTION
Jul 22, 2017
Momotaros' King of the Crimson Castle
Jul 19, 2008
Mashin Creator Wataru
Jan 12, 2025
U Takes Terra
May 16, 2025
Bastard!!
Aug 25, 1992
Nightsong of Splendor
Mar 25, 1989
I Have a Crush at Work
Jan 06, 2025
Guilty Crown
Oct 13, 2011
Star Cat Full House
Jun 16, 1989
Harlock Saga - The Ring of the Nibelungs
Jan 25, 1999
SANDA
Oct 04, 2025
Shonen Onmyouji
Oct 03, 2006
Kaiju No. 8
Apr 13, 2024
Ranma1/2
Oct 06, 2024
