Unnamed mouse

"It was the mouse wasn't it?"

- Dr. Doofenshmirtz asking Perry if the mouse freed him.

If you are looking for the mouse agent that appeared in "Isabella and the Temple of Sap" see Unnamed mouse agent.

An unnamed mouse appeared in I, Brobot. Perry tried to escape from the net by spraying cheese on the rope. A mouse comes out of it's hole and chomps on the rope, tasting like cheese.