Agent hat icon
Agent M
Mouse agent
Agent M with other agents
Gender: Female
Height: Taller than Agent W (Worm)
Nationality: American
Hometown: Possibly Danville
Nemesis: Unnamed fat scientist
Professional Information
  Secret agent
Friends and Family
Major Monogram
Behind the Scenes
First Appearance:
  "Isabella and the Temple of Sap"
Last Appearance:
  "O.W.C.A. Files"

The Mouse Agent is a small-sized agent has been seen in some episodes. In her first appearance, she's seen riding the elevator alongside the unnamed bear agent, unnamed crocodile agent, and others ("Isabella and the Temple of Sap"). She appeared again in "Phineas and Ferb Christmas Vacation!" dancing with the other agents. Her next appearance wouldn't be until Phineas and Ferb The Movie: Across the 2nd Dimension, where she's seen attacking Normbots alongside her fellow agents. She appeared again in "Agent Doof" and "Phineas and Ferb Save Summer "


Her appearance is that of an ordinary mouse with a fedora.


Major Monogram

Her boss in the O.W.C.A..

Other agents

Agent M can team with the other Agents well, as it appears, in the 2nd Dimension movie. She is on good terms with Perry, and others, even her actual predators, so it can be assumed she does have friends in the Agency.



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