Comedians (and other media personalities who try to be funny) who make "gay" jokes (i.e, it's supposed to be hilarious to suggest that someone might be "gay").   

That, and the same lot who think they're terribly clever whenever they make a pun on someone's name (unless it's a very fitting pun).

And, in that vein,
Bellow Reilly ... er ..., I mean Bill O'Reilly

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