Onassi, a male officer of the Alliance Special Forces, was a Human. He participated in the liberation of the planet Ord Vaug, a [prison](/article/prison/legends] planet, and at that time, shortly following the Battle of Endor, he was a colonel. After discovering the last two Venerated Ones from Vandelhelm imprisoned there, Onassi asked for someone to take them back to their home planet, and General Han Solo was eventually chosen for the job.