I’ve got to say that one of my favorite modern Christmas stories comes from the 1985 TMNT Michelangelo one-shot comic. A few years ago, it was translated into cartoon form for the 2002 TMNT show. Check it out:
Also, probably the best way to pick up the original Christmas Aliens book is to get that TMNT Collected Vol. 1 that came out this year. It’s in there along with everything else that is awesome.