“Battling Bolto” by L. Ron Hubbard
Publication date: August 1950
Original publication: Thrilling Wonder Stories
Genre: Science Fiction
Story description: When a strong man pretending to be a robot named Battling Bolto finds out his boss is a robot pretending to be a man it sets in motion a series of extraordinary events.
Currently available as part of the Stories from the Golden Age series, in the title When Shadows Fall.