Oz / Legends " Oz " was the nickname of a clone trooper who served in the Galactic Republic ' s Torrent Company , a unit of the 501st Legion , during the Clone Wars . Around 21 BBY , after defending the planet Ereesus against a Separatist invasion , Oz and the 501st fought in a campaign to reconquer the formerly Republic - aligned world of Umbara . After a rough landing on the planet ' s surface , Oz and his comrades met heavy resistance from the Umbaran militia . While on a highway that led to the Umbaran capital , Oz and fellow trooper Ringo stepped on a mine and were killed in the resulting explosion . Biography . The clone trooper nicknamed " Oz , " a clone of the Mandalorian bounty hunter Jango Fett , was born and raised on the planet Kamino to serve in the Grand Army of the Republic during the Clone Wars . Around 21 BBY , Oz served in the Republic ' s Torrent Company of the 501st Legion under Jedi General Anakin Skywalker and Clone Captain CT - 7567 , nicknamed " Rex . " During that time Torrent Company was sent to the planet Ereesus , where the clones assisted the local Ereesus Planetary Security Forces in defending the world against a Confederate invasion . Oz served as a liaison between Torrent Company and the Planetary Security forces . During the campaign the Separatists captured Oz and a local militia squad led by Planetary Security Forces Sergeant Palola . The tactical droid commanding the Separatists showcased his prisoners in a holotransmission sent to Rex to make certain demands of the Republic forces . However , Lieutenant Sollaw ap - Orwien of the local militiamen was able to decipher several key points of intelligence that Palola surreptitiously provided during the holorecording , as they were both Lorrdian , a species able to communicate without speaking . Ap - Orwien was therefore able to pinpoint from Palola the location of the captives , and a team led by Rex successfully rescued Oz and the local squad . Sometime later , the Republic sent a strike force , including Oz and the 501st , to reconquer the former Republic planet Umbara . The Republic ' s goal was to capture the Umbaran capital city , and Oz and his unit were dispatched to attack Umbaran troops north of the city . After landing roughly on the surface of Umbara , Oz and his brothers immediately engaged the native Umbaran troops in a tough fight . After securing a ridge , Skywalker was recalled to the Republic capital , Coruscant , and was replaced by Jedi General Pong Krell . Krell , a Besalisk Jedi Master , was known for the high casualty rate of the clone troopers under his command but also for amassing many victories throughout the war . The general immediately ordered Oz and the 501st to move directly toward the Umbaran capital . After arriving at a highway that led to the capital , Krell told Rex that he would not proceed with Skywalker ' s plan of capturing the city through the use of surgical strikes , and instead wanted his troops to attack the city in a full frontal assault . The 501st soldiers , including Oz , would use the highway and would not retreat if they met resistance from the Umbarans . Unbeknownst to the Republic clones , the enemy had mined the road . After some time , Oz , together with fellow trooper Ringo , stepped on such a mine , and both were killed in the ensuing explosion . Two clones who checked the bodies then reported that Oz and Ringo were dead . Personality and traits . While under captivity on Ereesus , Oz revealed no information to the enemy due to his training . Oz was unable to recognize that the road on Umbara was mined , and as a result he died when he stepped on one of the explosives . As a clone of Jango Fett , Oz likewise stood 1 . 83 meters tall . Equipment . During the battle on Umbara , Oz wore a set of Phase II clone trooper armor that was customized with the blue markings of the 501st Legion , his unit . Behind the scenes . Oz first appeared in " Darkness on Umbara , " the first episode of the Umbara arc of the of the television series " " . The episode aired on October 28 , 2011 . Oz was also mentioned in the episode ' s corresponding online guide on StarWars . com . In 2013 , Oz had a short appearance in " Speaking Silently " , a short story written by Tom Hodges and published in " Star Wars Insider " 139 .