freddy krueger is a fictional character from the "a nightmare on elm street" movies. he was created by wes craven and he is the bad guy of the movies. in the first movie a mom told her kid that a long time ago, freddy killed a bunch of people's kids and the parents got mad and they burnt freddy. right before freddy died some ghosts told freddy that he can come back to life if he will take over dreams, and freddy said yes.