Hello Agent P, I see you used the rabbit hole entrance! We are still awaiting a surveillance report on Dr. Doofenshmirtz, but it's seems our intelligence is scattered. We need you to find out what you can about what kind of mischief Doof is up to today! Should you accept this mission, you'll have plenty of costume choices at spirithalloween.com! Get your favorite platypus outfit when you shop for Phineas and Ferb costumes! Find an Agent P costume that will help you blend in and discover what the evil doctor is up to! With all sorts of Perry the Platypus merchandise there's no way you can go wrong.