Sasuke Uchiha
The are ninjas from the village of Sunagakure and the children of the Fourth Kazekage, the former leader of the village. They come to Konohagakure to participate in the biannual Chunin exams, and serve as antagonists in the subsequent invasion of Konohagakure. Because of their interactions with Naruto Uzumaki, and learning their father was murdered by their supposed ally Orochimaru, the Sand Siblings return as allies of Konohagakure, aiding Naruto's group in their attempts to retrieve Sasuke Uchiha from Orochimaru's forces. Kishimoto changed their costumes for their return due to the difficulty in drawing their original attire, as well as to symbolize their new friendship with Konohagakure. In Part II, Gaara becomes Kazekage with his older siblings serving under him as his bodyguards during the Kage Summit at the Land of Iron.