Toshihiko Seki
Born: 1962-06-11
Place of Birth: Sendai, Miyagi, Japan
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
Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025★ 7.6
Castle in the Sky
1986★ 8.0
Black Clover: Sword of the Wizard King
2023★ 8.1
My Hero Academia: World Heroes' Mission
2021★ 7.6
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond
2019★ 7.9
Vampire Hunter D: Bloodlust
2001★ 7.6
Mazinger Z: Infinity
2017★ 6.9
Kamen Rider × Super Sentai: Super Hero Wars
2012★ 6.3
Kamen Rider Heisei Generations Forever
2018★ 6.1
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
2014★ 6.4
Detective Conan: Quarter of Silence
2011★ 7.1
Ninja Scroll
1993★ 7.8
Road to Ninja: Naruto the Movie
2012★ 7.4
Ocean Waves
1993★ 6.4
Saiyuki: Requiem
2001★ 4.9
Kamen Rider × Super Sentai: Ultra Super Hero Wars
2017★ 5.7
Gundam Wing: The Endless Waltz
1998★ 7.3
Inferious Interplanetary War Chronicle - Condition Green
1991★ 0.0
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
2022★ 7.8
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
2009★ 6.1
Ranma 1/2 the Movie: Big Trouble in Nekonron, China
1991★ 7.1
Campus Special Investigator Hikaruon
1987★ 7.3
Ranma 1/2 the Movie 2: Nihao My Concubine
1992★ 7.9
Naruto OVA 13: The Day Naruto Became Hokage
2016★ 7.5
Bio Hunter
1995★ 5.8
Hunter x Hunter: The Last Mission
2013★ 7.0
Balthus: Tia's Radiance
1988★ 5.0
Baby Felix & Friends
2000★ 4.0
Kamen Rider Kiva: King of the Castle in the Demon World
2008★ 6.9
Twilight of the Dark Master
1997★ 5.3
The Birth of Kitaro: The Mystery of GeGeGe
2023★ 7.5
Kamen Rider Den-O & Kiva: Climax Deka
2008★ 8.0
Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!
2011★ 4.8
Genocyber
1994★ 5.5
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
2021★ 6.0
Kamen Rider Den-O The Movie: I'm Born!
2007★ 7.2
OOO, Den-O, All Riders: Let's Go Kamen Riders
2011★ 6.0
Kamen Rider Decade: All Riders vs. Dai-Shocker
2009★ 6.3
X: The Movie
1996★ 6.0
Nintama Rantarō: Invincible Master of the Dokutake Ninja
2024★ 7.7
Farewell Kamen Rider Den-O: Final Countdown
2008★ 7.3
Kamen Rider × Kamen Rider W & Decade: Movie War 2010
2009★ 6.2
Angel Cop
1989★ 5.9
Nadia: The Secret of Blue Water - The Motion Picture
1991★ 4.7
Yawara! Go Get 'Em, Wimpy Kids!!
1992★ 5.5
Call Me Tonight
1986★ 4.3
I'm Not an Angel!
1994★ 6.0
Mobile Suit Gundam: The Origin II - Artesia's Sorrow
2015★ 7.3
Demon Hunter Makaryūdo
1989★ 6.8
Nadia: The Secret of Blue Water - Nautilus Story II
1991★ 0.0
Ryokunohara Labyrinth - Sparkling Phantom
1990★ 5.0
The Weathering Continent
1992★ 5.5
Animation Store Manager
2002★ 4.2
Higurashi: When They Cry - Outbreak
2013★ 6.7
Ultraman Super Fighter Legend
1996★ 0.0
Hades Project: Zeorymer Extinction
1989★ 4.7
Suikoden Demon Century
1993★ 4.5
TO-Y
1987★ 8.0
Scarlet Demon
1989★ 0.0
Kamen Rider Den-O: Singing, Dancing, Great Training!!
2007★ 0.0
Love Wedge 1
1992★ 6.8
Download: Devil's Circuit
1992★ 6.2
Oruorane the Cat Player
1992★ 4.0
Maryuu Senki
1987★ 3.4
Momotaros' Summer Vacation
2007★ 0.0
Marina the Manga Artist Goes to Camelot
1990★ 1.0
OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~
2011★ 0.0
Reign: The Conqueror Movie
2000★ 7.6
Kaze wo Nuke!
1988★ 0.0
Kamen Rider Den-O: The Birth of Pretty Den-O!
2020★ 8.0
Trusty Ginjiro
1991★ 0.0
Moonlight Pierce
1991★ 0.0
Violinist of Hamelin: The Movie
1996★ 0.0
Handsome Girl
1991★ 3.0
Hades Project: Zeorymer Separation
1988★ 3.6
Hades Project: Zeorymer Separation
1988★ 3.6
Zillion: Burning Night
1988★ 7.8
Dorami-chan: A Blue Straw Hat
1994★ 6.2
Kiss Me on the Apple of My Eye
1993★ 0.0
The Samurai
1987★ 3.8
Goddamn
1990★ 0.0
Milky Passion: Dougenzaka - The Castle of Love
1990★ 0.0
Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates
2010★ 5.2
Hisashi Eguchi's Kotobuki Goro Show
1991★ 4.7
Yuukan Club
1991★ 7.0
Saiyuki Interactive
2002★ 4.0
The End of the Century Darling
1996★ 4.0
Midoriyama High School, Koshien Edition (Movie)
1990★ 0.0
Cinderella Express
1989★ 1.0
Kamen Rider Den-O: Final Trilogy Special Edition
2008★ 0.0
Sunlight All Around! Ka - su - mi: You Were in My Dreams
1988★ 1.0
Calico Cat Holmes and the Lord of the Haunted Castle
1992★ 7.0
Dragon Century
1988★ 6.0
Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral
2010★ 5.6
Kamen Rider Kiva & Den-O: DenLiner, Into Space!
2009★ 0.0
Kamen Rider Decade: Final Stage
2010★ 0.0
Heart-Coloured Killer Ticket
1990★ 0.0
TOKYO CITY Melhen 2
1990★ 0.0
Yawara! Atlanta Special
1996★ 6.3
Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!
2007★ 0.0
Kamen Rider Den-O: Final Stage
2007★ 0.0
Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle
2010★ 5.3
Love Wedge 2
1994★ 6.8
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
2009★ 0.0
10th Anniversary Project: Masked Rider LIVE & SHOW
2009★ 0.0
Wild 7: Biker Knights
1994★ 2.0
Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010
2010★ 0.0
Momotaros' King of the Crimson Castle
2008★ 0.0
Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-
2017★ 0.0
Imagin Anime: Momotaros Forever!/Imajin Terminal Station
2008★ 0.0
Chimera: Angel of Death
1997★ 4.5