In some ancient civilizations the Wolf was a symbol of the underworld. In Egypt, the guardian of the dead was Anubis who was a wolf-headed god. The jackal portrayed as black was the symbol of both death and regeneration.
William is also the one who hid inside the suits and kidnapped and killed children, leading to the assumption that William Afton is The Purple Guy of FNaF 2 and 3 (he is killed at the end of the book when Charlie sets off the spring locks in his suit).
The motto of the Purple People Eaters was Meet at the quarterback.. 1  Defensive tackle Alan Page, 9 Pro Bowl Selections (1968-1976), NFL MVP (1971), Hall of Fame. 2  Defensive end Carl Eller, 6 Pro Bowl Selections (1968-1971, 1973-1974) Hall of Fame. 3  Defensive end Jim Marshall, 2 Pro Bowl Selections (1968-1969)