Opal Luna Saturnyne is a fictional character appearing in American comic books published by Marvel Comics. The character was created by Dave Thorpe and Alan Davis for their Captain Britain stories. Formerly the servant of Roma, she is currently the Omniversal Majestrix and rightful Ruler of Otherworld, charged with the safety of the Omniverse. Her first appearance was in Marvel Superheroes #381 playing a major part in Alan Moore and Alan Davis' Jaspers' Warp storyline. She later had a recurring role in the pages of Excalibur.