I caught this guys work after I made this youtube video:
http://www.youtube.com/watch?v=cdRJtj28GtE
We both had the same Santa/Joker idea, but we executed it differently. I beat him to it by a couple days too.
He does a good impression, albeit not perfect.
Here's his video of the same scene:
http://www.youtube.com/watch?v=Z3S52Olky