Sebastian Parnell was an Imperial general who served as governor of the Sil'Lume system during the time of the New Order. He was distinguishable with his silver hair and ice-blue eyes.
As governor, it was his personal task to bring the miners and prospectors of the Sil'Lume asteroid belt under Imperial control, while also overseeing the prisoners on Tol Ado, the third planet in the system.