Everything that is good has an antithesis. Holmes had his Moriarty. Harry Potter had his Lord Voldemort. Lars Ulrich had Napster.
In France, Pere Noel (Father Christmas) travels with his equal and opposite, Pere Fouettard (Father Spanker). While Pere Noel leaves presents for good children, Pere Fouettard, dressed in black and wearing a horned hood, delivers spankings to those who have been bad.