Hillary Busis
August 09, 2013 AT 01:42 PM EDT

Neil Patrick Harris can sing, dance, act, charm, schmooze, and host awards shows like nobody else in Hollywood — but he’s got a secret you may not be aware of.

That’s right: The Renaissance man is actually an evil scientist… and Dr. Heinz Doofenschmirtz may be the only one who can expose NPH for who he really is.

Get all the scoop in the latest installment of “Doof’s Daily Dirt,” the Phineas and Ferb baddie’s very own web series. And if you’re wondering why a mad scientist would spill the beans about one of his own colleagues, the answer is simple: “Spite,” says Doof. “That’s basically why I do most things.”

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