Illustration by Robert Risko At 99, Mel Brooks does not speak like a man arranging his legacy. He speaks like a man still chasing the next laugh. Mel Brooks: The 99-Year-Old Man!, the new HBO documentary directed by Judd Apatow and Michael Bonfiglio (and titled as a nod to Brooks' classic "2000 Year Old Man" comedy routine with Carl Reiner), excavates with unusual tenderness the life and career of arguably the most influential American humorist since Mark Twain. Twain, of course, never stooped to fart jokes or hunchback gags in pursuit of a giggle.