Brian Sack cracks me up.
Got to know him becuz of the infamous Ebay thingie. And from then on I regularly tune in to his site and just scroll through massive amounts of laughs. The guy is just incredible, honestly I think he's up there with my faves: Bill Murray, John Belushi, Dan Aykroyd.
http://www.banterist.com/
Did you ever check him out?