Essentially, an Early Bird Chewbacca with Hoth Deco
Give him a Santa hat and the mesh bag used to carry C-3PO, but have sculpted presents inside instead. Also, instead of his bowcaster give him a big "Santa's List" that scrolls around and stops in a pile on the ground. The backdrop could be an illustration of the ramp of the falcon (with snowy foot prints leading up the ramp) you can also see loads of presents stacked up on the floor of the Millennium Falcon.
I recently picked up a white Sandie variant and as an added accessory, I gave him a set of macrobinoculars from the Flashback Luke Figure just to set him apart a bit more from the standard orange version.