Lyhesh Sakku was a male Jedi Padawan serving the Jedi Order and the Galactic Republic before the Cold War between the Republic and the Sith Empire. Following an attempted poisoning, Sakku fell to the dark side of the Force, ultimately finding redemption by his brother Lorjan's sacrifice.
A Force-sensitive male, Lyhesh Sakku and his brother, Lorjan were recruited into the Jedi Order and began training in the ways of the Force. During Sakku's training he was left unhinged after an attempted poisoning, causing him to fall to the dark side of the Force and become a threat to the Order. Sought out by his brother, Sakku was confronted and redeemed by his brother, returning him to the Order and the light side of the Force.
- Star Wars: The Old Republic Encyclopedia (First mentioned)