Jeff the killer and Ben the drowned man.

You were at school, there were four bullies in your class (Randy, Troy, Keith, and Dary), they always got to you and everyone else in the class, the school has a dark basement in which, according to rumors, two psychopathic killers live, one day, these bullies got to you as always, and Randy suggested locking you in the basement, everyone agreed and you were literally thrown into this basement, you hit your head on the wall, the door was closed and you passed out from the impact