Hans Miller

Pianist and Nazi fifth columnist in America, in The Music Master story of comic book Heroic Comics #19 (July 1943).

He and his gang work out of Miller's Dine and Dance club. They try to blow up a passing troop transport ship with a kiteful of nitroglycerin, but The Music Master and his sidekick Downbeat thwart them, capture them, and turn them over to the cops.