Wasn't sure if you meant specifically stand-up comedian or not.
I also like Jerry Seinfeld, and the Key and Peele bits:
https://www.youtube.com/watch?v=Dd7FixvoKBw
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"Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should."
-Dr. Ian Malcolm, Jurassic Park