Patahk was a male 24th century Romulan who was in the service of the Star Navy of the Romulan Star Empire. In 2366, Patahk was trapped on Galorndon Core, severely injured when the scout starship Pi crashed there, and ended up being rescued by an away team from the USS Enterprise-D. He died when he would not accept Worf's donation of blood cells. (TNG episode: "The Enemy")