Interesting Naruto theory involving the ending of the series.

[chet_chetty]

Whether he is the leader of Akatsuki or not, there is great reason to believe Yondaime is still alive.

The 3rd claims his sealing technique against Oro was created by the 4th. There are some major differences between the 3rd's sealing technique and what we have been told of the 4th's technique for sealing Kyuubi.

The 3rd uses a deathgod so that both he and Oro will be sealed inside it to battle for eternity.

The 4th, imo, did not make use of a deathgod and sealed Kyuubi inside of person, Naruto. If, as the 3rd says, the sealer and the sealed are to both be sealed to fight eachother for eternity, should we not see the presence of Yondaime whenever Naruto communicates with Kyuubi to use his chakra? Both Yondaime and Kyuubi should be inside Naruto but that's not the case.

I understand the 3rd's technique could possibly be a variation of the 4th's. But the only similarity I see is the end goal of sealing the opponent and even in that, there are differences. The 3rd's version is supposed to be "for eternity" while, with Kyuubi, we have seen many times the possibility of it being brought back to their world if the seal breaks (Naruto losing control, perhaps breaking the seal himself).

[Carnage]

I remember on one of the colored chapter covers they should the back of the akatsuki leader's head, and his hair was brown. I doubt its the 4th.

[Super5]

I think it's more possible that the main villian of Akatsuki is Uchiha Madara than the fourth. And that would be a stretch.