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).
R.I.P Yafeu YAK Fula ~ aka ~ Kadafi. The only witness Yafeu YAK Fula also known as Kadafi one if Pacs outlawz said he could possibly identify 2-Pacs killer. Fula was riding in the car behind Suge's on the night 2-Pac was hit. The police let him go home to New Jersey without interviewing him in depth about what he saw.