1. Madara Uchiha,Nagato uchiha, Obito Uchiha

2. His first heart was destroyed by Kakashi, His second heart was destroyed by Hidan, Two more hearts were destroyed by Naruto's Rasenshuriken, His last heart was destroyed by Kakashi. IF as a question konoha ninja who destroy kakazu hearts are kakashi and Naruto and other 3 who supported shikamaru,ino,choji

3.6