Quote Originally Posted by Jimmy Dark Aeons Slayer View Post
I wouldn´t consider Seymour a sidekick/minor villain in fact i would say that he is the most important boss in FFX.
I confess that i never played FFX, but what i understanded about the story, is that the main villain is Yu Yevon. Some people think that is Jetch(because he controlls Sin), but what i know, is that Seymour is not the main villain. He is just the more popular between the players.