He likes it when children beg, scream, and try to run away.
He just kills you and leaves you there. Slenderman has a enemy. his name is jeff the killer. Here he is. Go To Sleep
The person who created Slenderman is Eric Knudsen.
This is Eric Knudsen
Slenderman only listens to one person. Her name is Mia. Here is a picture.
and here it is
Plus the creepy dude is Slenderman