Funny Late Night TV Christmas Songs [Videos]

The great thing about late night television besides of the celebrities and music, is that it is new material every night.  Even though Christmas comes the same time every year, the material has a new spin decade after decade.  Here are a couple of funny and entertaining bits from late night TV through the years:

Tonight Show with Jay Leno:

The Tonight Show with Johnny Carson:

Late Night With Jimmy Fallon: