Aloyse von Roddenstein

Aloyse Everheart Elizabeth Otto Wolfgang Hypatia Gunter Galen Gary Cooper von Roddenstein (simply Rodney by Doofenshmirtz) is a supporting antagonist of the Disney Channel animated series, Phineas and Ferb, and later on, the primary antagonist of the 2014 episode special Phineas and Ferb Save Summer.

he is known to be Dr. Heinz Doofenshmirtz's rival and happens to be more evil than him.