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.
Filmography
all 241
Voice 151
TV Shows 133
Movies 108

Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025)

Nintama Rantaro the Movie: The Dokutake Ninja Team's Strongest Strategist (2024)

I Parry Everything (2024)

The Birth of Kitaro: The Mystery of GeGeGe (2023)

Onimusha (2023)

PLUTO (2023)

Rurouni Kenshin (2023)

The Most Heretical Last Boss Queen: From Villainess to Savior (2023)

Black Clover: Sword of the Wizard King (2023)

HIGH CARD (2023)

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc (2022)

My Hero Academia: World Heroes' Mission (2021)

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles (2021)

Higurashi: When They Cry - NEW (2020)

The Misfit of Demon King Academy (2020)

SAINT SEIYA: Knights of the Zodiac (2019)

Sarazanmai (2019)

Demon Slayer: Kimetsu no Yaiba (2019)

Demon Slayer: Kimetsu no Yaiba - Sibling's Bond (2019)

Star☆Twinkle PreCure (2019)

Kamen Rider Heisei Generations FOREVER (2018)

Saint Seiya: Saintia Sho (2018)

Golden Kamuy (2018)

SWORD GAI: The Animation (2018)

The Ryuo's Work is Never Done! (2018)

Mazinger Z: Infinity (2017)

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- (2017)

THE REFLECTION (2017)

Elegant Yokai Apartment Life (2017)

The Laughing Salesman NEW (2017)

Kamen Rider × Super Sentai: Ultra Super Hero Wars (2017)

To Be Hero (2016)

Mob Psycho 100 (2016)

The Day Naruto Became Hokage (2016)

Showa Genroku Rakugo Shinju (2016)

Mobile Suit Gundam: The Origin II - Artesia's Sorrow (2015)

Saint Seiya: Soul of Gold (2015)

Cross Ange: Rondo of Angels and Dragons (2014)

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai (2014)

Space Dandy (2014)

Hunter x Hunter: The Last Mission (2013)

Gingitsune: Messenger Fox of the Gods (2013)

声優戦隊ボイストーム7 (2013)

Kill la Kill (2013)

Higurashi: When They Cry - Kaku: Outbreak (2013)

Triple Combination: Transformers Go! (2013)

Road to Ninja: Naruto the Movie (2012)

Kamen Rider × Super Sentai: Super Hero Wars (2012)

Glitter Force (2012)

機動戦士ガンダム SEED HD (2011)

Hunter x Hunter (2011)

Detective Conan: Quarter of Silence (2011)

OOO, Den-O, All Riders: Let's Go Kamen Riders (2011)

Saiyuki Gaiden (2011)

Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! (2011)

OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~ (2011)

Psychic Detective Yakumo (2010)

Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates (2010)

Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral (2010)

Katanagatari (2010)

Kamen Rider Decade: Final Stage (2010)

Kamen Rider × Kamen Rider W & Decade: Movie War 2010 (2009)

Kamen Rider Decade: All Riders vs. Dai-Shocker (2009)

Dogs: Bullets & Carnage (2009)

Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship (2009)

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!- (2009)

Kamen Rider Kiva & Den-O: DenLiner, Into Space! (2009)

Imagin Anime: Momotaros Forever!/Imajin Terminal Station (2008)

A Certain Magical Index (2008)

Farewell Kamen Rider Den-O: Final Countdown (2008)

Kamen Rider Kiva: King of the Castle in the Demon World (2008)

Momotaros' King of the Crimson Castle (2008)

Kamen Rider Den-O: Final Trilogy Special Edition (2008)

Momotaros' King of the Crimson Castle (2008)

Blade of the Immortal (2008)

Sekirei (2008)

Kamen Rider Den-O: Imagin Anime (2008)

Kamen Rider Den-O & Kiva: Climax Deka (2008)

Kamen Rider Den-O: Singing, Dancing, Great Training!! (2007)

Kamen Rider Den-O The Movie: I’m Born! (2007)

Momotaros' Summer Vacation (2007)

Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!! (2007)

Saiyuki Reload: Burial (2007)

Naruto Shippūden (2007)

Kamen Rider Den-O (2007)

Shonen Onmyouji (2006)

Higurashi: When They Cry (2006)

MÄR: Märchen Awakens Romance (2005)

Gin'yuu Mokushiroku Meine Liebe (2004)

My-Hime (2004)

Samurai Champloo (2004)

Paranoia Agent (2004)

Requiem from the Darkness (2003)

Saint Seiya: The Hades Chapter (2002)

Mobile Suit Gundam SEED (2002)

Naruto (2002)

Gensomaden Saiyuki: A Sin of Hope (2002)

Animation Store Manager (2002)

Angelique: Twin Collection (2002)

Mirage of Blaze (2002)

Rave Master (2001)

Gensomaden Saiyuki Requiem: For the One Not Chosen (2001)

Descendants of Darkness (2000)

Vampire Hunter D: Bloodlust (2000)

Saiyuki (2000)

Baby Felix & Friends (2000)

Reign: The Conqueror (1999)

Pet Shop of Horrors (1999)

Bビーダマン爆外伝V (1999)

Harlock Saga - The Ring of the Nibelungs (1999)

Gundam Wing: The Endless Waltz (1998)

TRIGUN (1998)

Twilight of the Dark Master (1998)

Outlaw Star (1998)

Dragoon (1997)

Hyper Police (1997)

Ultraman Super Fighter Legend (1996)

X: The Movie (1996)

Violinist of Hamelin: The Movie (1996)

B'T X (1996)

The Legend of Zorro (1996)

Special Duty Combat Unit Shinesman (1996)

The End of the Century Darling (1996)

Bio Hunter (1995)

Mobile Suit Gundam Wing (1995)

Wild 7 (1994)

Wild 7: Biker Knights (1994)

801 T.T.S Airbats (1994)

The Irresponsible Captain Tylor OVA (1994)

I'm Not an Angel! (1994)

Love Wedge 2 (1994)

ゴールFH (1994)

Genocyber (1994)

Natsuki Crisis (1994)

Please Save My Earth (1993)

Please Save My Earth (1993)

Black Jack (1993)

Aoki Densetsu Shoot! (1993)

Ocean Waves (1993)

Suikoden Demon Century (1993)

Kiss Me on the Apple of My Eye (1993)

Ninja Scroll (1993)

Ninja Boy Rantaro (1993)

The Irresponsible Captain Tylor (1993)

Download: Devil's Circuit (1992)

Oruorane the Cat Player (1992)

Love Wedge 1 (1992)

Ai no Kusabi (1992)

Bastard!! (1992)

Princess Army: Wedding Combat (1992)

Calico Cat Holmes and the Lord of the Haunted Castle (1992)

The Weathering Continent (1992)

Genesis Survivor Gaiarth (1992)

Adventures of Puss-in-Boots (1992)

Moonlight Pierce (1991)

Inferious Interplanetary War Chronicle - Condition Green (1991)

Here Is Greenwood (1991)

Ranma ½: The Movie — The Battle of Nekonron: The Fight to Break the Rules! (1991)

Handsome Girl (1991)

Izumo (1991)

Akai Hayate (1991)

Hisashi Eguchi's Kotobuki Goro Show (1991)

Blazing Transfer Student (1991)

Future GPX Cyber Formula (1991)

Hakkenden: Legend of the Dog Warriors (1990)

Karura Mau OVA (1990)

Marina the Manga Artist Goes to Camelot (1990)

Milky Passion: Dougenzaka - The Castle of Love (1990)

Goddamn (1990)

Goddamn (1990)

Burning Blood (1990)

Nadia: The Secret of Blue Water (1990)

Heart-Coloured Killer Ticket (1990)

Demon Hunter Makaryūdo (1989)

Yawara! (1989)

Darkness of the Sea, Shadow of the Moon (1989)

Angel Cop (1989)

Cinderella Express (1989)

Star Cat Full House (1989)

Ranma ½ (1989)

Madö King Granzört (1989)

Shurato (1989)

Nightsong of Splendor (1989)

Jushin Liger (1989)

Hades Project: Zeorymer Extinction (1989)

Hades Project Zeorymer (1988)

Hades Project: Zeorymer Separation (1988)

Armor Hunter Merowlink (1988)

Dragon Century (1988)

Sunlight All Around! Ka - su - mi: You Were in My Dreams (1988)

Zillion: Burning Night (1988)

Spirit Warrior (1988)

Balthus: Tia's Radiance (1988)

The Samurai (1987)

TO-Y (1987)

Evil Dragon War Chronicles (1987)

Campus Special Investigator Hikaruon (1987)

Castle in the Sky (1986)

Call Me Tonight (1986)

Baribari Densetsu (1986)

Magical Emi, the Magic Star (1985)

Kamen Rider (1971)

Quando as Cigarras Choram
Information
Known ForActing
GenderMale
Birthday1958-12-31 (66 years old)
Birth PlaceSendai, Japan
CitizenshipsJapan
Also Known As関俊彦, せき としひこ, 关俊彦
AwardsKei Tomiyama Award
This article uses material from Wikipedia.
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