John Roy Musick was an American historical author and poet. He also wrote under the pseudonyms Benjamin Broadaxe/Broadax, Ebenezer Slypole, and Don Jenardo.
He earned a Bachelor of Scientific Didactics from the First District Normal School in 1874. After teaching a term, he started legal studies and in 1876 he passed the Bar exam and took up the practice of law. In 1882 he abandoned his legal career to become a full-time writer.