Public Domain Super Heroes


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Real Name


First Appearance

Keen Detective Funnies V2#7 (Jul. 1939)

Original Publisher


Created by

Ben Thompson

Golden Age Origin

ZR was part of a team of former FBI agents who assisted the Masked Marvel in his war against crime. ZR and his fellow teammates, ZL and ZY, had no superpowers, but used Masked Marvel's equipment and firearms.

Golden Age Appearances

  • Keen Detective Funnies V2#7

See Also

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