1. The Sage of Six Paths, Uchiha Madara (Second Rikudo), Nagato (Third Rikudo) and Uchiha Obito

2. First heart destroyed by kakashi; second heart destroyed by Hidan; Third and Fourth heart destroyed by Naruto; Fifth heart destroyed by kakashi.

3. 2 flower pots with 3 flowers each, with a total of 6 flowers.