Supremo was the dictator of the Western European nation of Romiro.

He blew himself up during an altercation with the American superhero known as Captain Triumph.

  • This version of Supremo, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.



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