John Henry is one of the legends in American Legends.
According to legend, he was born with a hammer in his hand. He and some other freed slaves are building the railroad until a man with a machine comes along claiming the machine can drive more railroad spikes. John and the machine work to see who can do the most work. He wields two sledgehammers to do double the work. They end up tunneling through a mountain. In the end, he dies (with a hammer in his hand) but is still considered the winner because the machine fell apart in the mountain.