Ah, the Twitter profile picture. Which do you prefer — a glamor shot or an action shot? An indoor shot or an outdoor shot? A chimpanzee or an eagle? For most celebrities, Twitter is yet another medium for sharing overly attractive professional photos with the public. For others? It’s an opportunity to boast about that time they sipped a smoothie with Chewbacca. Check out 13 amusing celebrity Twitter profile pictures featuring bears, monkeys, Wookiees, and unsettling mustaches after the jump, and let us know your other favorites in the comments.