His real name is Willam Afton, He's a tattered, moldy, decomposing animatronic that lives in the parts and services room, the animatronic suit is an old spring Bonnie suit, but William had gotten stuck and the springlocks crushed him into the suit, he has wires poking out of his head, arms, and legs of the suit, he can't take off the suit, but is afraid of fire..The springlocks do activate sometimes, but he has gotten used to the pain of them.. He uses the vents commonly because they are better.