Todoroki Tomonosuke is a main character in the series 'Kamen Rider Hibiki,' which is part of the long-running Kamen Rider franchise. As Kamen Rider Todoroki, he is an Oni warrior who fights against monstrous creatures known as Makamou. Initially appearing as a disciplined and reserved Oni, Todoroki grows throughout the series, building strong bonds with his mentor and fellow Riders. His electric guitar weapon and lightning-themed powers set him apart, making him a reliable and memorable ally in the battle against evil.