Maybe if I spent some time on it, I could come up with an answer…but right this minute, I can't think of a living cartoonist whose work is more respected by his peers than is Mort Drucker. His caricatures for MAD have been nothing short of amazing and I doubt there's a person drawing likenesses anywhere who hasn't been influenced by his work. What's especially impressive about his MAD work is that most of it has been for multi-page parodies of movies and TV shows. It's one thing to draw a good rendition of a celebrity once…but to do four or five views of the person per page for five pages? There are a lot of good caricaturists out there who'd just wind up repeating one or two angles over and over. Not Mort.
Coming any day now — and you can order a copy over at this site — is a two-hour documentary/tutorial that I gather is like a video correspondence course. Here's a preview that runs a little less than eight minutes…