Gray Mask
Gray mask

Real Name

Doctor/Sir Malcolm Muir

First Appearance

Suspense Comics #1 (December 1943)

Original Publisher


Created by

Zac Gabel and Don Rico


The wealthy Dr. Malcolm Muir was the secret identity of the Gray Mask. Assisted by his butler Dove, they fought villains such as devil worshipers and pseudo-supernatural creatures who are really Nazi agents or criminals out to steal valuables or America's secrets.

Public Domain Appearances

  • Suspense Comics #1-9


  • While he was called the Gray Mask, his mask color ranged from gray to black and even yellow.

See Also

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