Learn the tragic and hilarious childhood of Dr. Heinz Doofenshmirtz from Phineas and Ferb. Discover the events that shaped the lovable, quirky villain of the Tri-State Area.

besides Perry the Platypus, who, in all honesty, kind of has it coming. He shows no resentment toward his ex-wife. He even befriends his mortal enemy at the end of the series and begins fighting for ...

He tweaked Eilish's lyrics to pay tribute to the wacky Dr. Doofenshmirtz and his feud with Perry the Platypus. This is 2020, y'all. Twitter is forever in debt to the person who asked for this ...

In the background of the boys’ havoc-making, there’s always a second story line – as their pet platypus Perry, a secret agent, battles the somewhat tragic Dr. Doofenshmirtz and his dangerous ...

Creators Dan Povenmire and Jeff “Swampy” Marsh spoke with DECIDER about the long-awaited fifth season of Phineas and Ferb.

He wants Perry to appear so he can "talk to him about ... The pair also have their own song, 'My Nemesis', which you can watch below. Doofenshmirtz, like Joker, revels in his twisted relationship ...

"While their pet platypus, Perry, continues to lead a double life as the suave 'Agent P,' whose sole mission is to thwart Dr. Doofenshmirtz from taking over the Tri-State Area." The show will ...

Phineas & Ferb season 4 premiered on December 7, 2012, on Disney Channel, with the episodes airing on Disney XD starting on December 31, 2012.