Toshihiko Seki
関俊彦
Holds a 2nd Dan rank in Kendo. A veteran Japanese voice actor who has played characters in anime, drama CDs and video games. Apart from voice work, Toshihiko Seki sometimes does live-action drama stage work and is a member of 81 Produce.
Non-anime roles:
• Dottore (Genshin Impact)
• Chongyue (Arknights)
Demon Slayer: Kimetsu no Yaiba
TV, 2019
Muzan Kibutsuji
SUPPORTING
Hunter x Hunter (2011)
TV, 2011
Wing
SUPPORTING
Naruto
TV, 2002
Iruka Umino
SUPPORTING
Mob Psycho 100
TV, 2016
Musashi Gouda
SUPPORTING
Naruto: Shippuden
TV, 2007
Iruka Umino
SUPPORTING
Bleach
TV, 2004
Kaien Shiba
SUPPORTING
Bleach
TV, 2004
Aaroniero Arruruerie
SUPPORTING
Muzan Kibutsuji
SUPPORTING
Mob Psycho 100 II
TV, 2019
Musashi Gouda
SUPPORTING
Kill la Kill
TV, 2013
Senketsu
MAIN
Muzan Kibutsuji
SUPPORTING
Samurai Champloo
TV, 2004
Yamane
SUPPORTING
Muzan Kibutsuji
SUPPORTING
Mob Psycho 100 III
TV, 2022
Musashi Gouda
SUPPORTING
Guilty Crown
TV, 2011
Kurosu Ouma
SUPPORTING
Boruto: Naruto Next Generations
TV, 2017
Iruka Umino
SUPPORTING
Demon Slayer: Kimetsu no Yaiba Infinity Castle
Movie, 2025
Muzan Kibutsuji
SUPPORTING
A Certain Magical Index
TV, 2008
Aleister Crowley
SUPPORTING
When They Cry
TV, 2006
Kyousuke Irie
SUPPORTING
Trigun
TV, 1998
Legato Bluesummers
SUPPORTING
Sentenced to Be a Hero
TV, 2026
Kafzen Dakrom
SUPPORTING
Kaiju No. 8 Season 2
TV, 2025