\rbr With poseable arms and head, Agent P measures 5 inches high and Dr. Heinz Doofenshmirtz measures 8 inches high. This collection is for Ages 3+. From the Disney Phineas and Ferb Collection\rbr \rbr From the Disney Phineas and Ferb Collection here we have Agent P or simply Perry the Platypus alongside his arch-nemesis Dr. Heinz Doofenshmirtz. Perry is the pet platypus of Phineas and Ferb. He always engages in daily battles with Dr. Heinz Doofenshmirtz, a mad scientist who desires to take over the Tri-state area with obscure contraptions. In nearly every episode of the series, Dr. Doofenshmirtz has an evil scheme or invention that he explains about through the means of a back story from his youth. .\rbr \rbr \rbr Thanks for watching ToyReviews by Blutoys.