Mitsuru Jōgasaki Friends

Bossun is the leader and creator of the Sket Dance. He has intense powers of concentration, and has devoted his life to helping others.

Chiaki is a captain in Baseball team on the Kaimei High School. She also asked a request to Sket Dan to help her find her lottery.

A member of the Sket Dance. She is the team's muscle, and is rarely seen without her trusty hockey stick or a lollipop in her mouth.

Kazuyoshi (Switch) is one of the three members of the school support club, the Sket Dan. He is the club's secretary.