Cover Characteristics: Book Covers featuring Gargoyles

I've never really given a whole lot of thought to gargoyles. They can be kind of creepy and ugly, but they can also be kind of intimidating and beautiful. They do seem to be gaining popularity in fantasy books though as a paranormal creature. They also seem to be on a surprising number of book covers. I thought this would be a hard topic, but it turned out to be rather easy. I don't really have a...