Okillian Darkwolf

Okillian was an ex-jedi master who lived from 3961BBY to 2855 BBY. He lived and fought through the Mandolorian Wars, the Great Sith wars, and the beginning of the Jedi Civil wars. His most notable achievements include the discovery of the Yodilian species and the ability to prolong life indefinitely through the force. He is more commonly known as "The Guardian"