Since his days on Saturday Night Live, Will Ferrell has specialized in playing the most obtuse/obnoxious man ever to rise to the top of his profession, whether the job is TV anchorman, Broadway playwright, NASCAR racer, or president of the United States. His new bozo is Dr. Rick Marshall of Land of the Lost, a blinkered scientist who leads an impromptu expedition into a crazed parallel universe. Some of Ferrell's memorable creations have been winners, and some have just missed the basket, as the following gallery of Ferrell's best and worst characters reveals.