This Guy Used to Play an Uptight Cousin on an '80s TV Sitcom, But Who Is He? (PHOTOS)

This Guess Who? just might make some of you feel old. Do you recognize this actor? He used to play a hilariously uptight perfectionist in a beloved late-'80s/early-'90s sitcom. That's all we're going to give you because we think this one is pretty obvious...

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