When once asked to describe jazz, trumpet legend Miles Davis sarcastically but saliently replied, "You can sweat it down to four words: Louis Armstrong and Charlie Parker." Applying that same old-school, new-school trailblazer to comedy is somewhat more problematic. A number of great early comics could stand in for the Armstrong entry, among them Charlie Chaplin, Groucho Marx, Jack Benny, and George Burns. But in choosing the "Charlie Parker of comedy," by that meaning the one who blazed the modern-day trail, influencing all that came after him, the answer is simple and irrefu...