They both came in a little behind.
Because he is dead. ((I came up with this joke when I was very tired.))
I'm not coming into work today
With any luck, right after it finishes college.
Because they finish each other's sentences
Michael Jackson.
A: Michael Jackson's hand !!
The Sioux chef
The second Eskimo says "Alaska."
Because bad news travels fast!
They both begin a trip at the post!