User blog comment:Ultimatephinferbfan/Alt. Doofenshmirtz Might not be the main villian./@comment-3473686-20110416210631

I have a theory I'd like to mention.

Okay, so, we've seen the alternate kids, but we haven't seen the alternate parents. Right?

Well, my theory is that something happened to the parents around the time Alt Doof took over. What do you guys think? (PLEASE DON'T START FIGHTING AGAIN THANKS!)