Answer:
Devils, unicorns and goats all share this feature.
What did the sushi say to the bee?
Which tree is the most difficult to get along with?
What do you call a greedy grumpy holiday hater?
What letters of the alphabet run around and have a tight schedule?
If all Wibbles are Criggles, all Borkins are Kwumblins, no Hoggles are Borkins, and all Criggles are Borkins, is it true that all Borkins are Criggles?