Rickles jokes with Chamberlain
http://youtu.be/Y53JLJDOEvE?t=2m3s
http://youtu.be/Y53JLJDOEvE?t=3m10s
Roast of Muhammad Ali, not sure if they just didn't give him enough time but expected him to say something a bit more witty.
http://youtu.be/VAsF9X4jfaE?t=14m28s
The Roast of Wilt Chamberlain, some jokes make me cringe with the way they nonchalantly say racist things, but nevertheless there are funny moments
http://vimeo.com/35869465