Revan was pretty epic. First, he saved the Republic from annihilation at the hands of the Mandalorians. Then, he disappeared for awhile, only to come back as a Sith Lord bent on conquest...which turned out to be part of a huge Xanatos Gambit to defeat the Sith Empire. And it would have worked, too, if it weren't for Malak the Giant Douchebag.
Plus, y'know...
Plus, y'know...
He's you.