After abandoning Orochimaru, Sasuke decide to get those who were orginally his subodirantes or test subjects. The first member was Suigetsu he wanted to collect the seven swords from the Seven swordsmen of the mist, the second was Karin a decesndant of the Uzumaki clan who is the only female member who wants to get close to Sasuke, and the last is Jugo a friend of Kimimaro's who is the source of Orochimaru's curse mark seals.