Ermon Parrah was a Human male relief navigator for the Sith dreadnaught Omen during the Great Hyperspace War. In 5000 BBY, after being knocked off-course during a hyperspace jump, the Omen crash-landed on the secluded planet Kesh. Parrah survived the disaster, and lived long enough to see the Sith worshiped as gods by the planet's natives, the Keshiri species. By 4985 BBY, Parrah had become the main science advisor to the Sith leader, Captain Yaru Korsin. At some point prior to 4975 BBY, Ermon proposed to repair the Omen and return to the stars but this was denied by the current Grand Lord. In response, Ermon started a revolt and tried to steal the starship. However, he was defeated by the Grand Lord's forces.