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).
â Fredbear's Loading Screen. Fredbear is an unlockable character in FNaF World, as well as a guide who explains how the game works as the player progresses through it. He is one of the two characters that are much harder to unlock, another being Spring Bonnie.