In "King of Swing" the last world is on the ship K. Kruizer 3rd.
In "Jungle Climber" K. Rool's ship is called K. Kruizer 4th.
The last boss in DKC2 (exept lost world) is on The Flying Krock, which looks similar to the Kruizer's. So the question is: Does it even exist a K. Kruiser 1 and a K. Kruizer 2?
I don't know if there is an answer to this...