Keep your its a wonderful life and miracle on 34th street our favourite christmas film is bad santa starring billy bob thornton as drunken conman willie masquerading as father christmas and his midget friend marcus playing the part of an elf bad santa follows the pair as they do their best to rob a series of shopping malls but a precocious child teaches them the true meaning of christmas well he would wouldnt he excellent christmas comedy crime caper with a whole load of swearing