Zetsu is a mysterious and enigmatic character from the anime and manga series Naruto. He is a member of the criminal organization Akatsuki, serving as a spy, messenger, and cleanup crew for the group. Zetsu is unique due to his split personality, with Black Zetsu and White Zetsu each having distinct abilities and motives. His plant-like appearance and ability to merge with the ground make him an effective infiltrator, and he plays a critical role in many of Akatsuki's operations throughout the series.