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Dr. Heinz Doofenshmirtz, (Dr. D, Dr. Doofenshmirtz, Doofenshmirtz, or Doof for short), is a 47...
In this Night of the Living Dead-inspired special, Doofenshmirtz's latest "-inator" accidentally...
Norm is an over-sized humanoid robot that Heinz Doofenshmirtz originally created to try to...