Lord Tarnux was a male Sith Lord that served the Sith Empire around 3627 BBY as an Executioner. He was stationed on Mek-Sha under the command of his master Darth Shaar but was killed there in battle with the Galactic Republic.
Tarnux wielded a red-bladed battlestaff in combat as opposed to a lightsaber and was able to utilize Force Wave against his opponents. He was also able to leap across large distances with the Force.