https://www.youtube.com/watch?v=ysgQ9spsphk* *some content may be disturbing. watch at your own risk.
I call bullcrap. I watched slenderman get made a few years back, and I seen him grow into a meme, then a creepypasta and then back to a meme this year.
Meh. Slenderman was creepy when he first came out. The internet gave creation to him, and ridiculed him.