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Dr. Heinz Doofenshmirtz, (Dr. D, Dr. Doofenshmirtz, Doofenshmirtz, or Doof for short), is a 47...
Norm is an over-sized humanoid robot that Heinz Doofenshmirtz originally created to try to...
Perry the Platypus, codenamed Agent P, is Phineas and Ferb's pet platypus, who, unknown to his...