My favorite has to be WOODLAND CRITTER CHRISTMAAAS!
HAAAIL SATAN!
Let's list them all for memory's sake;
"Mr. Hankey, the Christmas Poo"
"Merry Christmas, Charlie Manson!"
"Mr. Hankey's Christmas Classics"
"A Very Crappy Christmas"
"Red Sleigh Down"
"It's Christmas in Canada"
"Woodland Critter Christmas"