Team Kakashi

Team Kakashi, aka Team 7, is a team led by Kakashi Hatake and was formed after the members became genin. The members were selected in order to balance out their talents: Naruto Uzumaki, the worst student in his graduating class, would benefit from Sakura Haruno's intelligence and Sasuke Uchiha's proficiency with ninjutsu.

Facts

 * Sakura would similarly benefit from her more battle-capable team-mates, whereas Sasuke would benefit from being forced to work with others.
 * It would be later revealed that Kakashi was chosen specifically to be the leader of Team 7 for two reasons: Being the student of Naruto's father and given the task of keeping the Nine-Tails at bay while unknowingly honouring the promise that Sarutobi Hiruzen made to [Uchiha Itachi in secret to keep Sasuke safe from harm, and keep him from not going down a dark path.
 * In time while training them, sharing similar traits to the latter, Kakashi noted the rivalry between Naruto and Sasuke is similar to his and Uchiha Obito. Along with Jiraiya and Orochimaru.

Trivia
As Kakashi noted, the members of original Team 7 share group dynamics similar to that of himself and his team-mates when he was a member of Team Minato. Even Team 7's photograph is nearly identical to Team Minato's photo.
 * Rin and Sakura being in the middle.
 * Kakashi and Naruto on the right Side.
 * Obito and Sasuke on the Left Side.
 * With Minato and Kakshi being in the middle on Naruto/Sasuke including Kakashi/Obito.
 * Due to Sasuke's defection, all four original members of Team Kakashi have not been seen together for 308 chapters, from chapter 176 to chapter 484. Episode-wise, it is for 326 episodes, from episode 108 to Shippūden episode 214.
 * Each of the members of original Team 7 were trained by one of the Sannin during the timeskip: Naruto was trained by Jiraiya, Sasuke was trained by Orochimaru, and Sakura was trained by Tsunade. As a result they can also summon their respective master's signature creature.

all information on Team Kakashi was found on http://naruto.wikia.com/wiki/Team_Kakashi