This is very sad news. RD was one of my favourites. The master of insults, put downs and general one-liners. He was in Little Nicky, I believe, as satans Dad I think... Been a while since I watched that. And oc Natural Born Killers. I think the cartoon about the dog was called Rover Dangerfield. I saw it once ages ago. You guys must have seen him in Caddyshack too!
A quick google has uncovered a page of some of his jokes...
Rodney Dangerfield Jokes"And we were poor too. Why, if I wasn't born a boy, I'd have nothing to play with!"
-zudo