User blog comment:Ultimatephinferbfan/Alt. Doofenshmirtz Might not be the main villian./@comment-2203861-20110412201338/@comment-5151799-20110412234310

Ultimate, what makes you think Alt. Doof is dumb? If Doof was low-maintenance evil in the regular dimension and full-out vicious in the alt. dimension, then since he was able to build amazing stuff back in the reg. dimension, Alt. Doof should have an even more fantastic ability to make stuff.