The wealthy Dr. Malcolm Muir was the secret identity of the Grey 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.

*Suspense Comics #1, 3-8, 11-12

*While he was called the Grey Mask, his mask color ranged from gray to black to navy and even yellow.

*[http://www.comicvine.com/grey-mask/29-81464/ ComicVine]
Category:Comic Book Characters
Category:Holyoke Characters
Category:1943 Debuts
Category:Zac Gabel - Creator
Category:Don Rico - Creator
Category:Male Characters
Category:Heroes
Category:Gray Themed Characters
Category:Non-Powered Characters
Category:Protagonists
Category:Gwandanaland Characters