Three Stooges, Abbott and Costello, Laurel and Hardy.

[Chainsawmidget]

While I like the others, I think the Marx Brothers just blow them out of the water.  Each of them managed to work in a different style, as opposed to the others who stayed in one basic role. 

Groucho is one of the funniest people to ever live.

[JaseSF]

I hope you're not comparing those "lesser" comedy teams to Hope & Crosby. Very few comedy teams, aside perhaps from all those already in this poll, measure up to Hope & Crosby in my eyes.

[Flu-Bird]

I have seen THE GHOST TALKS i have it on DVD its funny with that suit of armor and the GHOST OF PEEPING TOM And when GROUCHO dose one when I ONCE SHOT A ELEPHANT IN MY PAJAMAS HOW HE GOT IN MY PAJAMAS I;LL NEVER KNOW