Creators Dan Povenmire and Jeff “Swampy” Marsh discuss Doofenshmirtz and Candace going to the same therapist and the return ...

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.

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

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

"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 ...

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 ...

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 ...

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 ...

The plot of Day Of Doofenshmirtz sees a world in which the ... While they’re preoccupied with that Perry the Platypus is busy pursuing Doofensmirtz. The three characters each gain access to ...