Doctor Diehard is a member of the Extremists.

Doctor Diehard is a member of the Extremists, who escaped from their world before it was destroyed by nuclear warfare using a portal from a mysterious benefactor. When the first arrived on Prime Earth, they encountered The Justice League of America. They broke out into a fight, but Batman attempted to talk to Lord Havok and amused, he decided to spare them. However, Doctor Diehard thought that Havok had gone soft and continued fighting and even tried to hit Havok. In order to show his dominance, Havok killed Hans for his disobedience.[1]


Hans Leckter is a pastiche of the Marvel Comics character, Magneto.



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Justice League Villain
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This character is or was primarily an enemy of the Justice League, in any of its various incarnations. This template will categorize articles that include it into the category "Justice League Villains."

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