Sylvester Ashanti is a half-human and half-skinwalker character from Navajo folklore. He is described as having a tragic past, where he was born to an unfortunate mother forced to give birth to him by his father. His mother died after giving birth to him, leaving him an orphan. This traumatic story is said to have filled him with a dark and cold heart full of vengeance. On the night of the full moon, his skin walker blood activated, turning him into a monstrous creature that killed everyone.