Carnac: "The Shores of Montezuma and the Halls of Tripoli" "Name two families whose sons won't be joining the Marine Corps" Now that one I remember!
Of course, there was the famous...
"SIS-BOOM-BAH"
"Describe the sound made when a sheep explodes"
Carson actually couldn't stop laughing after that one.
My favorite Carson skits were Carnac, and Floyd R. Turbo....