Bonus: The Hookman
The Hookman is pretty simple. He is a man with a hook for a hand. He wanders around at night, flighting his hook at any passersby with the threat of killing them. He's also known to attack canoodling teenagers in cars.
Bonus: Slenderman
Slenderman was originally a creepypasta story that took over the urban legend community. In the story, he is a thin, tall man with a stark white and featureless face. He wears a black suit and abducts children.