Ain't even a question mate. John J Rambo. What the fuck is Rocky gonna use to defend himself against Rambos explosive-tipped crossbow arrows? His full tang knife? His fashionable blood-soaked bandana? Rocky wouldn't stand a chance. He'd drop to the ground and pray that Rambo decapitates him quick enough so that he doesn't feel any pain. Rambo would eat Rocky up like he was a piece of shit for breakfast. Yes, Rambo eats pieces of shit for breakfast. That's how tough he is. I think a better battle would be to pit Rambo vs Chuck Norris. Then I would be unable to predict a victor. They are both tougher than human beings have any right to be.