Knock-knock!
Who’s there?
Abraham Lincoln.
Abraham Lincoln who?
Wait! You don’t know who Abraham Lincoln is?
Doc, Doc!
Who’s there?
A knock-knock joke with a cold.
How does one leave a casino with a million dollars?
By entering the casino with a billion dollars!
"One of the worst jobs I ever had was when I used to be a narrator."
"Well, that doesn't sound so bad?"
"I was a narrator for bad mimes."