User blog comment:Ultimatephinferbfan/Alt. Doofenshmirtz Might not be the main villian./@comment-3006892-20110407192001/@comment-5151799-20110408193042

Technically, Phineas, Ferb, AND Perry are all the three main protagonists. Not just Phineas. But I don't think they'd hype up Alt. Doof just to have him be replaced by Alt. Phin. Just doesn't seem right. Well, I guess we'll see when the movie premieres... or when the video game comes out, as that seems to follow the storyline of the movie.