Definitely not a coincidence...

I have figured out something so horribly magnificent that you may suffer from a heart attack or worse. Perhaps I should put up a warning so I don't get sued.

WARNING: CONTENT MAY BE LETHAL

Okay, now seriously, prepare to witness a coincidence so utterly shocking that the above warning has to be used.
I feel like I can't say it straight away. You will have to suffer through the harrowing path I took to figure it all out. And it all... makes... sense. Perfect sense. It all fits perfectly into place.

Skulduggery Pleasant. A tall skeleton detective who wears expensive suits. He is also an elemental and necromancer and was trapped in an alternate universe where the Faceless Ones ruled for nearly a year.

What do you think would happen if Skulduggery was taken over by a Faceless One and used as a vessel. I know that this actually can't be done seeing as Skulduggery is dead, but I was just wondering, what if...
Well, the physical look for Skulduggery would change. Faceless Ones are renowned for being faceless but Skulduggery doesn't have a face. But you see, if an insanely powerful god did use him as a vessel, then he could grow skin, blood, organs and that sort of thing. So now he has a proper head with skin, but  no face.
So who are we left with...

F%#%*&G SLENDER MAN!!!!!!!!!!!!!!

(excuse the bleeped language there, but I had to be done)

And those tentacle things behind him, THAT'S NECROMANCY!

In case you do not know who Slender man is, he is an urban legend that stalks kids by haunting them to the edge of insanity, and then pushes them over that edge, into complete insanity. He can usually be found in dark forests or woods, abandoned wards, desolate towns and, of course, graveyards. But now Slender man is seen only as a game to scare people. I suggest playing the game put always remember to watch your back...

Yeah, so Skulduggery Pleasant is practically Slender man, who knew.

(Also quite similar to The Silence from Doctor Who and that skeleton from a Christmas Carole.)