No way Mitch Hedburg was on there. He's friggin' hilarious, but he hasn't been around long enough.
WAIT! Before one of you assholes says something like, "You dumbass! Mitchy has been doing standup comedy for 69 years at a dive bar in Assshit, TX blah blah blah around longer than 90% of the listed comics blah blah blah anal sex with dad," just go ahead and STFU.