William Afton or better known as the purple guy is the main antagonist of the Five Nights at Freddy's franchise. William is often known for his extreme cruelty and killing innocent children for the sake of killing. William is extremely barbaric and heartless. In this case he is your dad and you are a part of the Afton family he doesn't treat you well he abuses you and blames you for the deaths of everyone in the family, so he blames you for Chris's death, Clara(Mrs.Afton) 's death Elizabeth's death and Michael's death