Yoshinori Sonobe

as Daiki Nakanishi (voice) (50 episodes)

as Leader (voice) (1 episode), as Commander (voice) (2 episodes)

as Chougo Morozumi (voice) (1 episode)

as Fahgo (voice) (3 episodes)

as (voice)

as Razalus (13 episodes)

as Tarkus (voice)

as Masashi Daihama (26 episodes)

as Buzz (voice) (51 episodes)

as Middle-Aged Man (voice) (1 episode)

as Library Clerk (voice) (1 episode)

as (voice) (1 episode)

as Yamada-kun (voice) (36 episodes)

as Snack mom (voice) (1 episode), as Bookstore clerk (voice) (1 episode), as Man (voice) (1 episode), as Bookstore manager (voice) (1 episode)

as King Cobra (voice) (24 episodes)

as Man (voice)

as Todo School Student (voice) (1 episode), as Yamashita (voice) (1 episode), as Spectator (voice) (1 episode)