The Atkatsuki are real in Naruto Shippuden. In Shippuden episodes you see them more frequently and you see when Sakura was the first person to defeat an Atkatsuki member, Sasori. The throughout the seasons, The Hidden Leaf Village members such as Naruto and his friends defeat more and more of them. But in the real life there is no such thing as the Atkatsuki. Well, not that I know of.
the real leader of the akatsuki is in fact NOT pain. Tobi is the real leader. or not quite Tobi but more of obito.
He hasn't been called anything else
He died because he fight against the akatsuki, the leader of the akatsuki. Pain, he is the leader of the akatsuki, Master jiraya was killed by the akatsuki.
Akatsuki Kambayashi has written: 'Kambayashi Akatsuki' 'Shuiro no tamago'
no the akatsuki is hunting him instead...
No, he never joined Akatsuki. Akatsuki wanted to extract Shikaku (One tailed Raccon) from him which results death but they did it. So there is no way he would join Akatsuki.
Tobi is definitely the leader but h is real identity is still another mystery. He can be Uchiha Madara or Obito,
Since Sasuke joined Akatsuki as a temporary ally and Tobi was leading Akatsuki from the shadows, Hidan
To show that they have foresaken their villages for the akatsuki.
Yes, they are partners in the Akatsuki.
Akatsuki Blitzkampf happened in 2008.
Akatsuki Kambayashi died in 1980.