The Duke of Oil is either a human named Earl Dukeston whose brain was transferred into a machine, or he is a machine that has been given the false memories of a man who never even existed. Below is the definitive list of appearances of Duke of Oil in chronological order. Flashback sequences or story entries will be followed by a [Flashback] note. Stories that for some reason are no longer part of current continuity will have a comment saying this in a note following the entry. History Years ago, a young Earl Dukeston was building himself an empire of oil when he was caught in an explosion at one of his wells. Feb 20, 2026 ยท TheDuke of Oil (Earl J. Dukeston) is a fictional cyborg supervillain appearing in comic books published by DC Comics. He first appeared in Outsiders (1st series) #6 (April 1986), and was created by Mike W. His first incident involving the Outsiders happened when Dukeston Oil wanted to examine Station Markovia, an automated ocean research station off the coast of Los Angeles, then functioning as the Outsiders current headquarters. Geo-Force and Doctor Jace gave Earl a tour of the base. Pictures, powers, biography, quotes...