Have You Seen The Yellow Sign?
“Shuffling towards him in the darkness was the gigantic, blasphemous form of a thing not wholly ape and not wholly insect. Its hide hung loosely upon its frame, and its rugose, dead-eyed rudiment of a head swayed drunkenly from side to side. Its forepaws were extended, with talons spread wide, and its whole body was taut with murderous malignity despite its utter lack of facial description.”
The creature that appeared from thin air and kidnapped Jacob Black.
“Little is known about these beings save their name and a description of a hide. It is assumed that they are entities capable of walking between the planes and worlds of the universe, spending little time at an Yone planet, but wandering about.”