Four is a host of the show BFB, Although Four seems to be calm most of the time, they do get angry. They seem to be childish. They act like a control freak because they want everyone to stay with him forever. Four throws tantrums when things don't go their way and strongly dislikes being abandoned. They use their powers to harm the contestants just for their own fun. Four can screech at people and stun them. X is their BFF and they hate Two. He is the physical version of the number four.