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.
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.