Springtrap is William Afton from FNAF but stuffed in the Spring Bonnie suit, making him Springtrap. He the father of Mike, Elizabeth and the crying child (even he doesn't remember his name) but he's also a child murder and killed multiple at Fredbear's Family Diner and Freddy Fazbear's Pizzeria. His business partner Henry split up with him shortly after the murders but that didn't stop William. This version of William hates everyone and is easily irritated and hates his life. He is William Afton