Darth Revan is a former Jedi of the Order who left to lead the fight in the Mandalorian Wars when the Jedi refused to step in. A year after the Wars he returned to the Republic with a large invasion fleet declaring war on them and calling themselves the Sith. He later joined the dark side of the force and became a Sith Lord like Darth Maul. He first appears in the Old Republic. The Mighty Mugg above portrays him is his robes wielding a lightsaber.