Darth Devlen

Darth Devlen, later known simply as Devlen, was a who took over Onderon and the numerous systems surrounding it before and during the Great Territorial War using a warrior race called the Dematri. He was described as an insane megalomaniac and was the cause of three major battles on Onderon. He was killed by Adena Qel-Droma while attempting to assassinate Kyra Maans during the Second Battle of Onderon.