Comedian Sacha Baron Cohen hits the big screen today as Borat, the hilariously offensive, America-loving Kazakh news reporter he originated on Da Ali G Show. Borat's crass antics got us thinking about other masters of ''cringe comedy'' — the daring kind of humor that induces nervous (and sometimes guilty) chuckles. Check out the obscenely funny folks in our gallery, including Larry David, Amy Sedaris and others.