Phineas and Ferb (TV Series)
The Belly of the Beast/Moon Farm (2011)
Jeff 'Swampy' Marsh: Major Francis Monogram, Additional Voices
Quotes
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Major Monogram : Our sources tell us that Doofenshmirtz is up to something. We need you to infiltrate Doofenshmirtz Evil Incorporated and have a little look-see. To make it easier for you to get in, we had one of our operatives install a Central Access Threshold, or C.A.T. door.