Public Domain Super Heroes

Master Key

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Master Key

Real Name

Ray Cardell

First Appearance

Scoop Comics #1 (1941)

Original Publisher

Harry “A” Chesler / Harvey

Created by


Golden Age Origin

Ray Cardell, playboy, was looking through his telescope one evening when he was suddenly struck by an unknown beam of energy. After being exposed to this mysterious energy, Ray gains X-ray vision and the ability to paralyze/burn people with eye beams. He believed his new powers will "strike terror into the hearts of the most hardened criminals". So, He becomes the crime fighter Master Key.

His origin was later changed to the source of his powers being from an explosion caused by a short circuit instead of unknown space rays.

Golden Age Appearances

  • Scoop Comics #1-3
  • Dynamic Comics #8-9,24
  • Punch Comics #9-16, 18-21
  • All-New Short Story Comics #1
  • Triumph Comics #32


See Also

International Hero

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