In the mirror universe, M'Rod was a Klingon male who served as an ambassador of the Klingon Empire in the late 24th century.

In 2378, he signed the Tripartite Armistice with the Terran Protectorate and the Cardassian Union on behalf of his government. As an act of good faith, he was the first representative to sign the agreement, which surprised Miles "Smiley" O'Brien. (ST - Mirror Universe novel: Rise Like Lions)

It is unknown whether M'Rod had a counterpart in the primary universe.
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