Bill Goldberg plays the devil's son who lost a wager with an angel and was forced to spend 1000 years playing Santa, but now the wager of that time has run out, and good old Santa isn't so joyful anymore. He makes up for lost time and starts to kill people.
Santa's Slay
Santa Claus is actually a demon who lost a bet with an Angel, so he becomes the giver of toys and happiness. But when the bet is off, he returns to his evil ways.