Purple Guy Inside Springtrap - Global Network
On night 5, however, the five spirits of the children he killed appear and enter the safe room along with purple guy. After chasing him for a while, he runs into the springtrap suit. As springtrap, the purple guy is grotesquely fused with an animatronic suit, with his decayed and decomposed body visible through the torn fabric and exposed wiring of the suit.
Understanding the Context
This color choice makes him stand out against the game's background, and it has since become a defining characteristic of his character. So, whenever you hear 'purple guy' or 'purple man' in. A behind the scenes render of springtrap with parts of the costume removed to show william afton's remains inside. It was used for celebrating the franchise's 2nd anniversary.