slender man is a humanoid faceless creature who loves walks around in his woods. He can be about 6 to 15 ft. He is also wearing black suits with a red necktie

he is the eldest among of his brothers, and he is more reasonable and logical, he take care of his family and friends
He did kidnap and murdering, he alway working.. a lot, and he try to be loving father Oh, and slenderman can be powerful, when he have to fight 
Also He lives in the big mansion in the middle of the unknown forest 