 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. ( The 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 . 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 . 
 Perry <a href='drop_aux' title='1'><mark>is</mark></a>the pet platypus of the Flynn @-@ Fletcher family , and is perceived as mindless and domesticated . In secret , however , he <a href='uninflect' title='2'><mark>lives</mark></a> a double life as a member of an all @-@ animal espionage organization referred to as O.W.C.A. ( The 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 <a href='null_relcl' title='3'><mark>that</mark></a>seem to elude the family <a href='null_genetive' title='4'><mark>'s</mark></a>attention . He <a href='uninflect' title='5'><mark>engages</mark></a> in daily battles with Dr. Heinz Doofenshmirtz , an evil scientist <a href='null_relcl' title='6'><mark>who</mark></a><a href='uninflect' title='7'><mark>desires</mark></a> to take over the Tri @-@ state area with obscure contraptions <a href='null_relcl' title='8'><mark>that</mark></a>work perfectly according to his intended function but fail in his application of them every time . 
Perry the pet platypus of the Flynn @-@ Fletcher fam , and is perceived as mindless and domesticated . In secret , however , he live a double life as a member of an all @-@ animal espionage organization referred to as O.wit.C.A. ( The Organization Without a coo Acronym ) . Many secret entrances to his underground lair exist all around the house ; such as the side of da house , most notably tdatree that his owners sit under in thdaackyard , and several other everyday objects seem to elude thedamily  attention . He engage in daily battles with Dr. Heinz Doofenshmirtz , an evil scientist desire to take over the Tri @-@ state area with obscure contraptions work perfectly according to his intended function but fail in his application of em every time .