Deron Vikil was a male Zabraki Sith Lord born during the Dark World crisis. He was born on the world of Juruun, where he lived for several years before leaving to become a Jedi. When the Juruunian Civil Wars broke out, he returned home to fight where he eventually fell to the dark side and united the warring armies against a common goal: the Republic. In his height of power he took on the name Darth Valerius.