Susan and Susan, who were named after each other. ("The Ballad of Badbeard")
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Throughout the series, Heinz Doofenshmirtz was seen to have many pets, from his childhood to his...
This is list of Doofenshmirtz's schemes and inventions in Season 1. See also List of...
Dr. Heinz Doofenshmirtz, (Dr. D, Dr. Doofenshmirtz, Doofenshmirtz, or Doof for short), is a 47...