Quote Originally Posted by Future Esthar View Post
I can go further and theorize that the monster we see in the end is not Yu Yevon.I think I know were he is.He is desguised.
You seemed like you were making sense until you said that. x_x

Since I don't feel like typing everything that's already been said, I'm siding with Tav's reasoning. The answers are in the script or in X-2.