The leader of the Gunigumi Bike Gang. He looks like a tough guy on the exterior, but he is a kind, loving big brother to his orphaned kids and bike gang members.
A member of the Gunigumi bike gang, he is a normal type of guy that follows leader Takashi's orders. Nothing special about him except that he is always with fellow member Kia.
Another member of the Gunigumi bike gang, he is a total idiot. He is very cocky, and a talker. When insulted, he goes into fights. Always getting hit on the head for being an idiot.
The only female in the Gunigumi bike gang. She is an expert chopper biker. She is also like Shoutaro, a follower of Takashi, but she thinks about if the leader's decision is right or wrong.
Well, the police of the district of Himeji city. They were after the wanted Gunigumi bike gang, but ending up in helping them.
The orphans who live off Big Brother Takashi and the Gunigumi's stolen goods. Why, to nurture them for their training to become the future members of the Gunigumi Bike Gang.