Are those Slenderman's long lost relatives? 
I don't think so, but who knows
What if he was an alien and those guys were like... the rulers of his race? And like... He left 'cause... he didn't like 'em... and... then... yeah. ( ) _ ( )
But the middle one has a suit 
MAYBE IT'S HIS FATHER!
He has daddy issues...
Heeheee
MAYBE IT'S HIS FATHER!He has daddy issues...
Heeheee
I was wondering the same thing!