Jeff 'Swampy' Marsh

Phineas and Ferb get trapped in an alternate dimension where the evil Doofenshmirtz rules the tri-state area. They must find a way back home with the help of their pet platypus named Perry, who they discover is a secret agent.

Phineas and Ferb become the galaxy's unlikeliest last hope when they must return the Death Star plans to the Rebel Alliance.