Phil Hendrie is a genius. All of his outrageous 'guests' are actually Phil doing the voices back and forth in real time, adlibbing the situation, and then real callers call in to debate them. Here is a video of him in action:

http://www.youtube.com/watch?v=dUUlsy3eIEQ&mode=related&search=

a funny/surreal animation that someone has done to a clip of the Phil Hendrie radio show.

http://www.youtube.com/watch?v=0HKMaTEu6_M&mode=related&search=

Have you ever heard to hitchikers guide to the galaxy
ford: come on marvin we have the entire universe in front of us
Marvin: Oh no not a other one

Okay they are starting to get old but their wreally good