Question: Who would hate Konoha and be powerful enough to have attacked Konoha with Kyuubi, fought Minato, helped Itachi eradicate the Uchiha clan whilst convincing him that he was Madara, posses the Sharingan AND the Rinnegan, know of the Jyuubi legend and desire for it to be resurrected?

I can only think of the Sage of the Six Paths, albeit in a weakened form. His hatred for Konoha may have come from the fact that his own two lines, the Senju and the Uchiha, had made peace instead of competing with each other. This made this village way more powerful than the others so it had to be destroyed.