Originally Posted by
The Vorpal Tribble
Grinch
This is a very interesting take on the classic Grinch. Basically giving it the powers he had while his heart was large, but its still evil-inclined. The abilities match with the song very well, and manage to be interesting and unique to boot. It's kind of like a furry male hag with oafish giant ways.
I'd probably use one as some sort of follower of an evil nature deity or spirit requiring sacrifice and blood. Lichens and mistletoe sprouts from the fur, giving it the green tinge, and the rot of their hearts manifests physically, visible only about the teeth, but inside they teem with vermin. Could go very dark with it.