Dao Ba Jie Sen (刀疤傑森) is a brainless rival of Wang Ya Se, and later the leaders of the Ultimate Class. He has a scar that formulates an X on his face and is the leader of "Hei Shou Bang". Dao Ba Jie Sen often tried to challenge Ya Se and his friends in combat on certain occasions, but always ended up getting beaten or humiliating himself. In episode 18, he teamed up with Jin Bao San to find their weaknesses, only to eventually become discovered.