Grey Mask
Malcolm Muir
13 issues
Grey Mask, also known as Malcolm Muir, has appeared in 13 comics from Holyoke since 1943. The most recent catalogued appearance dates to 2020. Most catalogued appearances come from Suspense Comics.
Real Name
Malcolm Muir
Hero Name
Grey Mask
Publisher
First Appearance
Powers
Unarmed Combat, Tracking, Marksmanship
Appears alongside
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