Cthulhu? Those giant floating squids in the Hellboy Movie? They're sushi compared to Paboobooboo-a-boo! Covered in bandages and dripping with eons of ooze, Pabooboo will wreak havoc upon those meddling humans! Watch out for those tentacles, they're twitchy.
My submission for the Square Enix "The World Ends With You" contest. Perfect for bursting up from beneath the ground out of the sewers!