It’s always hard to choose just which of the joyful and triumphant slew of holiday horrors to go for, but Elves is certainly a special one, even by those standards. First time filmmaker Jeff Mandel has stuffed all sorts of goodies into this bountiful stocking, like pervert delinquents, disturbingly dodgy animatronics, and Nazi grandpas. And that’s only just peeling the wrapping…