Krampus is a supernatural entity from German folklore and the titular main antagonist of the 2015 Christmas horror-comedy film of the same name. Krampus is an evil version of Santa Claus who punishes naughty people on Christmas.
Willie T. Soke, AKA Bad Santa (Billy Bob Thorton), is the alcoholic sex driven protagonist of the classic adult Christmas comedy film Bad Santa. He is a professional thief who disguises himself as Santa Claus to rob malls during the holidays.
Gnome Chompski is a garden gnome who likes to make unlikely appearances in video games, including Half-Life 2, Left 4 Dead 2, and the Final Hours of Portal 2. As far as we can tell, there’s no relation to the famous linguist.