"Christmas Evil" is a 1980 horror film directed by Lewis Jackson. The story follows a man named Harry Stadling, who becomes obsessed with the idea of Santa Claus after a traumatic childhood experience. As he grows older, his fixation leads him to take on the persona of Santa, resulting in a violent rampage during the holiday season. The film explores themes of childhood trauma, the commercialization of Christmas, and the blurred lines between good and evil. It has gained a cult following over the years for its unique take on the holiday horror genre and its commentary on societal expectations surrounding Christmas festivities.