Who voiced a character that has a pet pet platypus?
Lawn Gnome Beach Party of Terror:  Meanwhile, the boys' pet platypus, Perry, successfully halts the destruction of all the lawn gnomes in the tri-state area by his nemesis, Dr. Heinz Doofenshmirtz. Phineas Flynn:  Voiced by Vincent Martella and created and designed by Dan Povenmire, Phineas first appeared along with the rest of the series' main characters in the pilot episode "Rollercoaster."
Vincent Martella