Happy Holidays?

Starbucks Japan has signs saying Merry Coffee.  While drinking more coffee is something I can wholeheartedly get behind it must have English grammar nazis frothing at the mouth.  Here we have some sort of old man pumpkin with a demon on his back/head and Santa.

Today's Japanese lesson is Merry Christmas
Merri Kurisumasu or if you are feeling lazy Merri Kuri