Darth Marr was a Human male Dark Lord of the Sith and a member of the Sith Empire's ruling Dark Council during the Great Galactic War, Cold War, and renewed conflict with the Galactic Republic. A fearsome warrior and stalwart defender of the Empire, Darth Marr was born in 3,702 BBY and assumed a seat on the Dark Council in his early twenties, leading the Sphere of Defense of the Empire as he drove back entire armies and halted Republic offensives during the Great War.