A few of my favorites:
A libertarian won't tear your arms out of your sockets when they lose.
There are enough Wookiees in the Galaxy to have their own representatives in the Senate.
There’s no such thing as a blue Wookiee.
One can be found in the woods with a crossbow and a bandolier, the other is an imaginary character.
Far funnier than that, however, is the Parade of Unfortunate Star Wars Costumes.
They missed this one, though.