CHRISTMAS HORROR FILMS
- Gremlins
- Black Christmas
- Inside
- Christmas Evil (You Better Watch out)
- Calvaire
- Night Train Murders
- The Children
- Silent Night, Deadly Night
- Don't Open till Christmas
- Tales from the Crypt
Two which I nearly included but which didn't quite make it are
Krampus and
Whoever Slew Auntie Roo. I haven't seen
Rare Exports or
Sint, so that's why they aren't on this list.