Williamis a murderer in 1987. He killed 5 children in a pizzeria and in the parts and service room, two years 
Later he was chased by the souls of the children he killed, he ran in the parts and service room and puts himself in a springlock bunny suit, Few seconds after he wore the suit and laughed at the souls he got springlocked, he was bleeding so much. Then 20 or 30 years later he woke back up still in the bunny suit rotten. The pizzeria was burned and rotten. Then he was named “springtrap”