Quote Originally Posted by Balipu View Post
A common missconception but not true. In fact it is the exact opposite. Sephiroth is manipulating the cells of the long dead Jenova.
considering his mother complex and total dependency, I'm not sure the Sephiroth we're fighting in FFvii isn't a puppet of Jenova (Jenova isn't dead btw. That's the reason why they are able to transplant her cells in Soldier members). In advent children though, he may have sorted things out with his mother and really use his own will.