The first Akatsuki?
Those people who were standing there next to Yahiko looked pretty Bad-Ass.
I don't really know how they all left/died though. And you gotta think about the consequences for dead people being alive. If Minato was still alive, Naruto wouldn't get the Nine Tails inside of him.
P.s If Obito mastered the Magenkyo sharingan, and had all the special Genjutsu, and then he died the same way he died, and gave Kakashi his Eyes, then Kakashi would be a Beast. Easy opponet for Itachi.
P.s.s If those are Obito's eyes, doesn't that make "Kaumi" Obito's special move?