Did you ever see The Ben Stiller Show? It was a sketch show with him, Ben Stiller (obviously), Janeane Garofalo, and Bob Odenkirk (of Mr. Show fame). Andy was funny in that, too. I think it's before he got all drugged up and self-important. I think Andy played a great character on NewsRadio, and always did, even if I find his later stuff to be wildly unfunny. That being said, I can often have a problem disassociating an actor's performance with another of his, so I understand.
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Bitt Faulk