Grease Monkey Joe. “Joe Jenson, known as Grease Monkey Joe, was an ordinary greaser and mechanic at the Glenview Airport. But when gangsters sought to destroy America’s newest and biggest flying fortress, Joe galvanized into something quite different.”
First Appearance: Bill Barnes, America’s Air Ace Comics #6 (Street and Smith), Apr 1942. 2 appearances, 1942. Created by ?
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