Commander Lexis Zenkar was a death watch commander during the clone wars.
After the clone wars he went to 'Impierial City' to live a nice quiet life...Not gonna happen!
He was attacked by Storm Troopers and was sent to prison for murder of an oficer.
When released,he went to Kamino because he knew that Vader was looking for a new person to clone,but he found out that he is the one clone of Darth Sethron!
He was given Sethrons LightSaber and he spent 2 years training in the force,and LightSaber Combat.He later tried to kill Vader and The Emporer But failed.
He went missing after the battle.