“There have been some well-received documentaries on the subject (Comedian, The Aristocrats) and some memorable performance films. But the consensus in the comedy world is that … [e]ven the better movies on the subject – including those made by star-directors who should know better, like Richard Pryor and Billy Crystal – are full of tired showbiz clichés and central characters who are stereotypically unhappy, insecure, neurotic or even … downright certifiable.”