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Francis Monogram or, as he likes to be known, simply Major Monogram (due to the fact that people...
Dr. Heinz Doofenshmirtz, (Dr. D, Dr. Doofenshmirtz, Doofenshmirtz, or Doof for short), is a 47...
Perry the Platypus, codenamed Agent P, is Phineas and Ferb's pet platypus, who, unknown to his...