I think I'm going to make this an annual tradition. Stephen Kardynal is one of the funniest guys on YouTube, pulling pranks on eager Chatroulette users. In this video, that's quickly becoming a Christmas classic all it's own, the bearded prankster takes on Mariah Carey's "All I Want For Christmas Is You". The delighted and confused reactions of his anonymous chat buddies are priceless. Check it out: