B'gnu Thun

''In Lovecraft lore: B'gnu-Thun (The Soul-Chilling Ice-God) is the twin brother of Ruhtra Dyoll. He appears as humanoid figure made of ice followed by a eerie blizzard.''

In Dnd Bears:

B’gnu-Thun is a wandering snow god, he wishes to stop causing snowstorms so he may approach and live among humans. He searches for a green amulet in which he believes it will get rid of the endless winter plaguing him. (it in fact explodes his head, killing him.)