Just One Bite! A fearsome mythological human that transforms into a blood thirsty flesh eating wolf-like beast with the onset on the full moon. Scary tales of human shape-shifters transforming into werewolves are a common themes in European fairytales and amongst many Native American tribes. A bite or scratch from a werewolf is all thatâs required for transformation. On Halloween, this deluxe adult latex full over the head werewolf costume mask with lots of hair attached will provide a perfect adult werewolf disguise and no bite is required!