It sounds an awful lot like the brilliant video game "Daze before Christmas", by Norwegian superheroes Funcom, if you ask me!! Take control of me, Santa Claus Claws, and watch me turn into Hulk Hogan after drinking nefarious coffee-drinks!!! Available in a chimney near you.
He's making a list, checking it twice.
Gonna find out who's naughty or nice.
Santa Claws is coming to town!
He sees you when you're sleeping, he climbs into your bed.
He'll do weird stuff to your anus if you complain, so - just play dead.