He is Aloyse von Roddenstein's son. He seems to be as evil and as smart as his father. He is nearly bald. He is shown only once when Rodney shows Heinz Doofenshmirtz of his new -inizor in his blog, and that Orville helped him, taunting Doofenshmirtz of having a daughter who only goes shopping. ("A Real Boy"). It is unknown what happened to Orville afterwards, even when his father was arrested for attempting to move the Earth into a new Ice Age with his latest -inizor. ("Phineas and Ferb Save Summer")