<Tr> <Th> Occupation </Th> <Td> Espionage </Td> </Tr> <Tr> <Th> Relatives </Th> <Td> Phineas Flynn and Ferb Fletcher (owners) </Td> </Tr> <P> Perry the Platypus (also known as Agent P or simply Perry) is an anthropomorphic platypus from the American animated series Phineas and Ferb . Perry was created by the series' co-founders, Dan Povenmire and Jeff "Swampy" Marsh . He first appeared along with the majority of the main cast in the pilot episode "Rollercoaster ." Perry is featured as the star of the B - plot for every episode of the series, alongside his nemesis Dr. Heinz Doofenshmirtz . A mostly silent character, his lone vocal characteristic (a rattling of Perry's beak) was provided by Dee Bradley Baker . </P> <P> Perry is the pet platypus of the Flynn - Fletcher family, and is perceived as mindless and domesticated . In secret, however, he lives a double life as a member of an all - animal espionage organization referred to as O.W.C.A. (Organization Without a Cool Acronym). Many secret entrances to his underground lair exist all around the house; such as the side of the house, most notably the tree that his owners sit under in the backyard, and several other everyday objects that seem to elude the family's attention . Perry also has entrances in Hawaii and North Dakota . He engages in daily battles with Dr. Heinz Doofenshmirtz, an evil scientist who desires to take over the Tri-state area with obscure contraptions that work perfectly according to his intended function but fail in his application of them every time . </P>

What animal is perry from phineas and ferb