Naruto is a shonen Big Three anime that has it all, from a flashy combat system to the power of friendship and a few intense rivalries. Every shonen fan is familiar with the bitter rivalry between teammates Naruto Uzumaki and Sasuke Uchiha, which radically changed the lives of both characters. Before them, another meaningful rivalry unfolded between their mentor, Kakashi Hatake, and Kakashi's own teammate, Obito Uchiha.
Source：https://www.cbr.com/naruto-kakashi-obito-rivalry-explained/
