Torune Enemies

Kabuto is a former right hand man of Orochimaru before his death.He is a Spy for many countries including the Akatsuki and after Orochimaru's death. Kabuto injects himself with his remains giving him a snake like appearance and all his abilities. He later allied himself with Tobi for his goals.

"Tobi" is Obito Uchiha ,Kakashi's teammate and the one who gave him his Sharingan eye. He is working for Madara Uchiha and is leader of Akatsuki, he is the one who unleashed the nine tails on Konoha and cause of many other horrible deeds in the series.

Sasuke Uchiha is the rival and former teammate of Naruto. Eventually, with intent of gaining power, he goes out and seeks Orochimaru's help to defeat his brother.He finds that itachi was order by Konoha elders to kill his clan ,now he wants destroy it and later joins akatsuki