I don't understand why Kishi continues to write in Juugo, Suigetsu, and Karin into the manga when he always has them doing nothing. It seemed to me like built up anticipation for a confrontation between Suigetsu and Kisame even to the point where they were readying their swords then there was NOTHING. Even this fight they didn't serve any purpose, not even as lousy support for Sasuke.