Song: Doofenshmirtz' Backstory / Back in Gimmelschtump
By: Heinz Doofenshmirtz
Episode: Rollercoaster: The Musical
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For this list, we’ll be looking at the funniest and most memorable recurring jokes from this animated Disney series. Our countdown includes Doofenshmirtz's evil jingle, whatcha doin, the secret agent fedora, and more!