Bogeymen are very similar to monsters, but they are often more ghostlike and demonic. The most famous of all is, of course, the Bogeyman himself. However, many variations exist in cultures across the world.

In order to qualify for this title the creature in question must be designed to scare children, either in a fictional setting or folkloric tradition.

This can also refer to monsters, Aliens, Demons or Noncorporeals who prey almost exclusively on children.