Vote up your favorite moments featuring "Agent P."
Better known as Agent P, Perry the Platypus was the beloved pet of Phineas and Ferb by day, secret agent at night. A master of disguise and considered the most dangerous platypus in all the world, Perry was an essential part of Disney's Phineas and Ferb, if only to add to the surreal comedy of it all. Here are a few funny moments featuring Agent P.