Zetsu (ゼツ, Zetsu) is a member of Akatsuki.
Zetsu has green hair and yellow eyes. his appearance is divided down the middle with the left side if his body being white and the right side being black. Zetsu also has two venus fly trap like extensions coming out of his body encompassing his head and upper body. He also wears a black Akatsuki cloak with red clouds
Zetsu has a split-personality. The white half is carefree, playful, and has a fondness for Tobi, refering to him as a good boy. The black half is very serious and knowledgable.
Zetsu is the one that went to get the new recruit Tobi. When he and Tobi arrived at the hideout and discovered that it had been destroyed do to a massive fight among the Akatsuki. In the anime episode of these events, Zetsu was not recruiting Tobi but simply happened to show up late with him.
In chapter 27 of the manga, the entire Akatsuki organization went on a summer vacation because Pain believed it could bestow unbelievable power. Zetsu spies on Itachi and Kisame because he thought they were getting into a fight with someone. They were actually hunting cicadas. Zetsu spied on them again when he thought they were going to fight a duel, but they were actually fighting Hercules Beetles. Zetsu later took part in a naked swimming competition with numerous other White Zetsus, much to Rock Lee’s disappointment as he thought it was a naked swimming contest for girls. Zetsu later joins the rest of Akatsuki in a competition to see who can keep their sparkler lit the longest. Deidara got in a fight with Tobi during the competition causing the winner to be unclear. The Akatsuki decide to have a different kind of sparkler competition with their jutsu, destroying the beach. Zetsu and the rest of Akatsuki noticed their skin had become darker and believed it was a sign of them becoming more powerful like Pain intended. They actually just got sunburned.
In episode 51, Akatsuki teamed up with Sasuke to destroy the Leaf Village. Zetsu's role in these events is not shown.
Zetsu is a human/plant hybrid.