Going by that logic, you have;
An obsession with blacksmiths;
An obsession with stabbing people in the butt;
An obsession claiming you're a world-class surgeon from Nicaragua (and screaming at nurses that don't exist);
An obsession with pink Mustaches;
A tendency to fawn over small wooden boxes; and
an irrational fear of animatronics and/or humanoid robots.

Well, you said Markiplier, not Mark Fischbach.

While is isn't uncommon for legit sufferers of schizophrenia identify as another person, this guy is just being a total freak. Real delusional schizophrenics don't KNOW they are identifying as someone they aren't.