Konan found zetsu too be usefull. by that I mean he can be a spy for her.
Madara and Zetsu.
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.
Kisame & Itachi Sasori & Deidara Deidara & Tobi Konan & Pein Kakuzu & Hidan Zetsu
They are recruited by other members
yes he was the first kid yasori then came naruto
his name is zetsu and he is in the akatsuki
Madara and Zetsu.
Kishimoto Masashi (author) had originally planned for the akatsuki to be a group of monsters and each character represented something (zetsu = Plant) zetsu was one of them. But he changed the idea of the akatsuki, and he like Zetsu so much he decided to keep him.
No
He hasn't been called anything else
The latest one to die was Kisame (or Konan, but she defected from Akatsuki), but Zetsu and Obito is still alive (and Orochimaru since he once were an Akatsuki)
No. Hidan's Body Is In A Pit. Where None Of The Akatsuki Can Find And Get Him.
No, the fourth hokage did not join the Akatsuki.
Almost all the members of akatsuki have died only tobi is left and zetsu clones are left.
Zetsu's ring is green, and he wears it on the right little finger.
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.
The Yondaime did not join the Akatsuki, he is dead. He is also not Pein.