C'mon it's gotta be Xristos.
Actually, I'll say Patrick McEnroe, too. I just hate listening to him. I don't mind when the American press slobbers over their own; every country does it (well, except Britain--seems the Brits are always willing to diss Timmy Henman from the commentary box). I think the French are funniest; the guys they have get so agitated when their players are doing well or are in a bind. so many "oooo la la!"'s