Todos sabemos que lo MEJOR de Phineas y Ferb era ver a Perry y Doofenshmirtz.

Ellos 2 eran el alma del show ✨

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The Therizinosaurus, if they had a human voice, would sound exactly like 's Dr. Doofenshmirtz .....

so says the head-canon of and I tweeting.

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someone in discord said that chn reminds them of dr doofenshmirtz so here you go

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DEATH BATTLE! Dr. Doofenshmirtz VS Jarvis Johnson

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Why amber brought dr Doofenshmirtz as witness 😭

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The Smash speculation community is currently exploding over a leak that suggests Zero and Dr. Doofenshmirtz will be joining the battle!

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Perry the Platypus (Phineas and Ferb) is too busy thwarting Dr. Doofenshmirtz’s schemes to be allo! (Canon ace, submission from )

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Imagine if Dr. Doofenshmirtz and GMan swapped clothes?

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Outside of Father and Doofenshmirtz, has there been a Main Antagonist Which were Official Members, at least for a bit, of their Rival Organization by using a loophole in said organization Integration of New Members program at their advantage?

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Finally, one of my doodles was digitalized and now it was finished! I hope I can draw them in full body.

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With the 81st overall selection in the NHL Draft, the St. Louis Blues are proud to select: Dr. Heinz Doofenshmirtz.

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This goes out to all 4 active Phineas and Ferb fans out there:

The Doofenshmirtz family would be 4 Town fans, don't @ me.

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Wouldn't it be crazy if Fat Albert and Dr. Doofenshmirtz swapped clothes?

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