"Some said that Revan was born in the Outer Regions, beyond the Rim, and that's what called to him during the Mandalorian Wars… and after. It was the call of home."
About this creation
Revan Lead the Jedi in the fight against the Mandalorians however, during the war he changed and became Darth Revan, dark lord of the Sith. Along with his apprentice, Darth Malak, the two lead an attack on the Jedi. Revans was captured however and his mind wiped. He was retrained by the Jedi as one of their own and, even after finding out his history, lead an attack on Malak's Empire.