Master Key. “Weird figure of the night, who strikes terror into the hearts of the most hardened criminals. Known to society as suave sophisticated Ray Cardell, this not-so-playful playboy represents the iron fist of justice! All the underworld trembles at his name.” Ray Cardell “works tirelessly for the advancement of radio waves assisted by Gale Kent and Chris Cross.” But a lab accident involving "ultra shortwaves" gives him super-vision, both x-ray and penetrating. He uses his powers to rescue the kidnaped president and to fight ordinary murderers, German agents, and Mad Scientists.
First Appearance: Scoop Comics #1 (Chesler/Dynamic), Nov 1941. 19 appearances, 1941-1946. Created by ?
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