Werewolves
The very popular werewolf brings many stories with him in his path. Here is one very creepy story about This monster:
Right after Christmas, a young boy would call to all of the evil people. He would force them to follow him to a horrid place. If the people turned to another direction because they did not want to follow, a tall, fierce man wearing medal chains would come after them. He would beat them until they surrendered, and walked in the young boy's direction. While following the boy, the evil people would gradually take the form of werewolves. They were hungry, flesh eating, wolf-like monsters for twelve days. When those twelve days ended, they would go back to their every day life, and would stay like that. well, until next Christmas, that is...