...and I'll admit I'm unlikely to be the first person to think of it, but I had to get it out of my head, and I decided it would be pretty good Photoshop practice anyway. In fact, what follows is the first stuff I've ever done in this program.
So without further ado:
(edit: moved the larger-than-I-expected picture to behind the cut)
I was just thinking "lolcthulhu", but that's even better. Why stop at Cthulhu? Maybe someone can find some decent Shub-Niggurath or Nyarlathotep pictures? Yeah, I know, Nyarlathotep will be either impossible to portray or overly simple.