Everyone's favorite demon-stuck-in-the-internet, it's Moloch the Corruptor from Buffy the Vampire Slayer.
buffy.wikia.com/wiki/Moloch_the_Corruptor
The head on the right is the actual prop from the show, and the one on the left is the icon-ish vectorized version I made in Fireworks.
It's a work in progress that kind of got abandoned because I didn't want to tackle the crazy ears :)