The Mouse Agent is a small-sized agent has been seen in some episodes. In his first appearance, he's seen riding the elevator alongside the unnamed bear agent, unnamed crocodile agent, and others (" Isabella and the Temple of Sap "). He appeared again in " Phineas and Ferb Christmas Vacation! " dancing with the other agents. His next appearance wouldn't be until Phineas and Ferb The Movie: Across the 2nd Dimension , where he's seen attacking Normbots alongside his fellow agents. He had apps and bulky arm muscles. ("
Phineas and Ferb Save Summer ")
Her appearance is that of an ordinary mouse with a fedora.
Her boss in the
Agent M can team with the other Agents well, as it appears, in the 2nd Dimension movie. He is on good terms with Perry, and others, even his actual predators, so it can be assumed he does have friends in the Agency.