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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...
Phineas and Ferb decide to spread the word about the tip of the shoelace, called the "aglet...