Purple Guy (real name William Afton) is the overarching antagonist of the Five Nights at Freddy's franchise. He was a man who dressed up as one of the mascots at Freddy Fazbear's Pizza (Spring Bonnie) and used his kid-friendly disguise to lure five children into the Safe Room, where there were no security cameras. It was confirmed that William was a former security guard of Freddy Fazbear's Pizza. He is the undead animatronic Springtrap and becomes the main antagonist of 3 and secondary antagonist of  Freddy's Fazbear's Pizzeria Simulator. He is also the primary antagonist in the FNAF novel series.

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