Misc: What was the dog's name in the Brady Bunch?

Questions

Madonna and sean Penn starred together in this 1987 film?

'Magnificent Seven' is a remake of this Japanese movie?

Marx Movies: Either you are dead or my watch has stopped?

Marx Movies: Groucho: One morning I shot an elephant in my pajamas?

Marx Movies: The last appearance of the Marx brothers together was in this TV curio?