Cthulhu?

Not sure what I'm supposed to be looking at here...oh, yeah, the dirty great monster dominating the center.

I don't care if it says Ur-Draug, Giant Tentacle Face Monster Dragon, or Carl the Wonder Puppy...that's bloody Cthulhu.

Note sexy cowboy for scale

In case you need a checklist...

What is that?  It's not fire...it's pure death!

Tentacle face?
Check
Wings?
Check
Bloody Huge?
Check
Inhabits water?
Check
Rips open dimensional portals?
Oh yeah...check
We didn't win.