Darth Traitos

"The Emperor was a fool to teach me of his dark weapon. Now unleashed, it will be his end."

- Darth Traitos to his cell guard before escape

Darth Traitos was a Force Barbarian and self-proclaimed Sith Lord. His real name is unknown. He was captured by the Empire and trained as a dark side adept, and possible replacement for Vader should he die.

Behind the Story

 * 'Traitos' is just 'Traitor' with an S for an R.