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The BO-AT (pronounced: bow-at) or Buoyancy Operated Aquatic Transport was the "new" invention...
This is the list of Doofenshmirtz's schemes and inventions in Season 2. See also List of...
Dr. Heinz Doofenshmirtz, (Dr. D, Dr. Doofenshmirtz, Doofenshmirtz, or Doof for short), is a 47...