
Toshihiko Seki
Acting • 1962-06-11 • Sendai, Japon
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
6.5Kamen Rider
1971
8.5Naruto Shippūden
2007
8.4Naruto
2002
6.9Ninja Boy Rantaro
1993
8.7Hunter x Hunter
2011
8.6Ranma ½
1989
From Nerdspin
Filmography
- 2026★ 7.2
- 2026★ 6.6
- 2026Super Space Sheriff Gavan InfinityTV
Cosmo Gavarion System / Gavarion Trigger System (voice), Supreme Chancellor • 23 episodes
- 2026
- 2026Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita HiFilm
Cosmo Gavarion System Voice / Gavarion Trigger System Voice
- 2025★ 8.8
- 2025★ 7.6
- 2025★ 7.3
- 2025★ 7.2
- 2024★ 8.4
- 2024★ 8.1
- 2024★ 8.0
- 2024★ 7.5
- 2024★ 7.0
- 2023★ 8.3
- 2023★ 8.1
- 2023★ 7.8
- 2023★ 7.8
- 2023★ 8.0
- 2023★ 7.5
- 2023★ 6.8
- 2023★ 7.2
- 2022★ 7.6
- 2022Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-OTV★ 9.5
Momotaros (voice) • 3 episodes
- 2021★ 7.6
- 2021Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero ChroniclesFilm★ 6.1
Momotaros (voice) / Kamen Rider Den-O (voice)
- 2020★ 8.4
- 2020★ 7.2
- 2020★ 8.0
- 2019★ 8.6
- 2019★ 7.4
- 2019★ 8.1
- 2019★ 7.9
- 2019★ 6.8
- 2019★ 7.5
- 2018★ 7.6
- 2018★ 7.6
- 2018★ 6.5
- 2018★ 6.7
- 2018★ 6.2
- 2017★ 7.0
- 2017Kamen Rider × Super Sentai: Ultra Super Hero WarsFilm★ 5.7
Momotaros - Kamen Rider Den-O Sword Form (voice)
- 2017★ 5.2
- 2017★ 6.5
- 2017
- 2016★ 8.5
- 2016★ 8.5
- 2016★ 8.0
- 2016★ 7.4
- 2016★ 6.1
- 2015★ 8.0
- 2015★ 7.4
- 2014★ 7.5
- 2014★ 8.1
- 2014Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super SentaiFilm★ 6.3
Kamen Rider Den-O Sword Form (voice)
- 2013★ 7.0
- 2013★ 6.6
- 2013★ 7.3
- 2013★ 8.0
- 2013
- 2012★ 7.4
- 2012★ 7.7
- 2012★ 6.6
- 2011★ 8.7
- 2011★ 7.3
- 2011★ 7.1
- 2011★ 6.3
- 2011★ 4.7
- 2011★ 5.6
- 2011OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~Film
Momotaros (voice)
- 2010★ 7.3
- 2010★ 7.0
- 2010Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is NewtralFilm★ 5.8
Momotaros (voice)
- 2010★ 5.3
- 2010★ 5.4
- 2010
- 2010
- 2009★ 6.2
- 2009★ 6.5
- 2009★ 6.2
- 2009★ 5.9
- 2009★ 8.0
- 2009
- 2009
- 2009
- 2008★ 7.5
- 2008★ 7.4
- 2008★ 6.1
- 2008★ 7.6
- 2008★ 6.8
- 2008★ 7.3
- 2008★ 6.0
- 2008
- 2008
- 2008
- 2008
- 2007★ 8.5
- 2007★ 7.1
- 2007★ 8.6
- 2007★ 5.6
- 2007
- 2007
- 2007
- 2007
- 2006★ 7.7
- 2006★ 7.0
- 2006
- 2005★ 8.0
- 2005★ 7.2
- 2004★ 8.4
- 2004★ 8.3
- 2004★ 7.9
- 2004★ 6.6
- 2004★ 4.5
- 2004★ 5.0
- 2003★ 6.2
- 2003★ 5.8
- 2002★ 8.4
- 2002★ 7.6
- 2002★ 7.6
- 2002★ 8.0
- 2002★ 5.3
- 2002★ 4.7
- 2002★ 7.3
- 2002★ 4.0
- 2002
- 2001★ 6.4
- 2000★ 6.3
- 2000★ 6.3
- 2000★ 6.3
- 2000★ 7.5
- 2000★ 4.0
- 1999★ 6.9
- 1999★ 6.5
- 1999★ 7.3
- 1999
- 1998★ 8.1
- 1998★ 7.5
- 1998★ 7.3
- 1998★ 6.2
- 1998★ 6.0
- 1997★ 5.3
- 1997★ 9.2
- 1997★ 8.2
- 1997★ 4.5
- 1997★ 4.5
- 1996★ 8.3
- 1996★ 6.2
- 1996★ 7.1
- 1996★ 6.5
- 1996★ 4.0
- 1996★ 7.0
- 1996
- 1996
- 1995★ 7.9
- 1995★ 5.8
- 1995★ 6.0
- 1995
- 1994★ 5.6
- 1994★ 7.2
- 1994★ 6.2
- 1994★ 6.8
- 1994★ 10.0
- 1994★ 8.0
- 1994★ 5.5
- 1994★ 6.0
- 1994★ 2.0
- 1993★ 6.9
- 1993★ 6.4
- 1993★ 7.8
- 1993★ 7.6
- 1993★ 7.1
- 1993★ 6.7
- 1993★ 6.0
- 1993★ 4.8
- 1993
- 1992★ 7.9
- 1992★ 5.7
- 1992★ 5.9
- 1992★ 6.5
- 1992★ 5.5
- 1992★ 5.3
- 1992★ 6.8
- 1992★ 7.0
- 1992★ 7.0
- 1992★ 7.0
- 1992★ 4.0
- 1991★ 7.3
- 1991★ 8.7
- 1991★ 8.1
- 1991★ 5.1
- 1991★ 6.9
- 1991★ 8.0
- 1991★ 7.3
- 1991★ 5.0
- 1991★ 6.7
- 1991★ 4.3
- 1991★ 4.7
- 1991Yuukan ClubFilm★ 7.0
- 1991★ 3.0
- 1991★ 4.0
- 1991
- 1991
- 1991
- 1991
- 1990★ 7.4
- 1990★ 7.2
- 1990★ 8.0
- 1990★ 3.5
- 1990★ 2.0
- 1990★ 1.0
- 1990
- 1990
- 1990
- 1990
- 1989★ 8.6
- 1989★ 6.7
- 1989★ 7.8
- 1989★ 8.6
- 1989★ 6.2
- 1989★ 6.8
- 1989★ 5.8
- 1989★ 6.5
- 1989★ 6.0
- 1989★ 4.7
- 1989★ 2.0
- 1989★ 2.0
- 1989Scarlet DemonFilm★ 4.0
- 1989
- 1988★ 7.1
- 1988★ 6.8
- 1988★ 4.1
- 1988★ 4.1
- 1988★ 7.2
- 1988★ 6.5
- 1988★ 7.0
- 1988★ 6.0
- 1988★ 5.0
- 1988★ 6.0
- 1988★ 3.0
- 1988Kaze wo Nuke!Film
- 1987★ 7.0
- 1987★ 7.8
- 1987★ 7.0
- 1987Maryuu SenkiFilm★ 3.5
- 1987★ 3.8
- 1987★ 4.5
- 1986★ 8.0
- 1986★ 4.6
- 1985★ 6.3
- 1985★ 6.0
- 1971★ 6.5
- 1971★ 6.5























































































































































































































































