Season 1

Yuji Mitsuya

Tetsu (voice)

Kumiko Takizawa

Sakura (voice)

Noriko Ohara

Muujo (voice)

Ai Sakuma

Amattan (voice)

Joji Yanami

Tobocke (voice)

Yoshito Miyamura

Referee Machine (voice)

Masaru Ikeda

Nyaravota (voice)

Yoko Asagami

Amattan (voice)

Kazuya Tatekabe

Donjuro (voice)

Kohei Miyauchi

Dr. Monja (voice)