Lucan Nestina was a Jedi Knight who turned to the dark side and led an incursion against the Jedi Order. He was defeated in a duel against his twin brother, Galen Nestina. After he was defeated, he disappeared and was never seen or heard from again. There were rumors that he joined the Sith and became the Sith Lord Darth Neyhos, though these rumors were unsubstantiated.