Pinky the Chihuahua

Pinky the Chihuahua is a recurring protagonist of the Disney Channel animated series, Phineas and Ferb'. He is Isabella's pet chihuahua and a good friend of Perry the Platypus.

Information
He is an secret agent whose nemesis is a female evil scientist, Professor Poofenplotz, and always foils her schemes.

In "Where's Pinky", he partners Perry the Platypus to stop Doofenshmirtz from stealing the deed to the Tri-State Area. Mention that Pinky is good with computers, Pinky uses it to knock out Doofenshmirtz, causes him to be defeated.