User blog comment:CandaceFan/Phineas and Ferb Trivia/@comment-3251190-20110501235636/@comment-5137023-20110502004725

2. The first two are Doof in "Run Candace Run" and Isabella in "Wizard of Odd".

4 is False. The Beak's suit and KPP's robot were both made using CGI, Computer Graphic Imaging. As was Doof's blimp during "Mobile Mammal" for no reason, as it's normal in the rest of "Suddenly Suzy" AND when we first see ity in that ep and in ANY ep with it.