CC - 5576 - 39 CC - 5576 - 39 , nicknamed " Gregor , " served as a clone commando and a clone trooper captain of the Grand Army of the Republic , fighting the Clone Wars . During the Battle of Sarrish , he was forced to retreat into space . His transport ended up crash landing on Abafar . The crash caused him to suffer from amnesia and he was hired by a Sullustan named Borkus who had him work as a dishwasher in a local bar until he regained his memories after Colonel Meebur Gascon showed the commando information to him . He was thought to be killed in an explosion trying to protect the colonel and his companions in a firefight against Separatist droids , but survived , although he suffered from brain damage , causing him to partially go crazy . 15 years after the end of the Clone Wars , Gregor was still alive and was living in a modified AT - TE on Seelos with Captain Rex and Commander Wolffe . In 1 BBY , Gregor participated during the Liberation of Lothal , where the Lothal resistance and the Spectres drove the Galactic Empire off of Lothal once and for all . During the conflict , Gregor was killed , but he didn ' t pass away before telling Rex that it was an honor to serve with him and to fight for a cause the clones actually chose to believe in . Biography . The Clone Wars . Gregor was in command of Foxtrot Group , an elite squad of clone commando s . After covering the retreat from his allies , Gregor was reported as missing in action after the Battle of Sarrish . However he ended up on the planet Abafar with amnesia and was given a job as a dishwasher at the Power Sliders diner by Borkus for nothing more than room and board . After Colonel Meebur Gascon and his team of droid s crashed landed on Abafar , they helped him to recover his memory and he in turn helped them to escape . However , he was left alone on the planet surrounded by hostile forces and facing near - certain death . Gregor seemingly sacrificed himself after shooting containers of rhydonium to destroy the droids that would have shot down Gascon ' s fleeing shuttle . Helping the Spectres . Despite his apparent death on Abafar , Gregor survived and made his way back to his clone trooper comrades . Gregor , now a Commander , survived the Clone Wars and at some point removed his control chip . In the years after the Galactic Empire ' s creation , Gregor was living with Captain Rex and Commander Wolffe in a modified AT - TE on the planet Seelos . Unfortunately his brain took a hit and as a result , he suffered from episodes of mild insanity . Four years prior to the Battle of Yavin , the clones were approached by the crew of the " Ghost " , who were looking for information on abandoned military installations for the rebel network . When Kanan Jarrus identified them as clones , Wolffe , in turn , recognized him as a Jedi and let off a few shots . Gregor eagerly raised his rifle but Rex calmed the situation . When Ezra Bridger explained that they were sent by Ahsoka Tano , Rex welcomed them as friends . Later on , Gregor encouraged the Lasat Garazeb Orrelios to help the clones hunt for joopa s . But he later reveals to Ezra that Zeb was in fact the bait , resulting in the Lasat being swallowed by the joopa , whom Gregor nicknamed Big Bongo . After managing to kill the joopa , Zeb was none to happy to learn that he was bait , but was calmed when Gregor pointed out that he helped catch Big Bongo . While settling down for dinner , Sabine discovered that one of the clones , Wolffe , had contacted the Empire . While Gregor and Rex had grown to trust the " Ghost " crew , Wolffe wanted to protect his comrades from being persecuted by the Empire for harboring these rebels . When confronted , Wolffe admitted his wrongdoing and accepted Rex ' s reasoning that the rebels were their friends . After discovering and destroying an Imperial probe droid , the clones and rebels prepared for the impending Imperial assault . While Kanan tried to convince the clones to come with them , Rex was adamant that he and his comrades would stay behind to hold the Imperials back while the rebels escaped . The rebels reluctantly departed on their auxiliary ship " Phantom " to rendezvous with the " Ghost " in space . Shortly later , a force of three AT - AT walkers led by the Imperial Security Bureau Agent Kallus , a perennial foe of the crew of the " Ghost " . While outnumbered and outgunned , Gregor and his companions faced off against the Imperials in their lone AT - TE walker . At Ezra ' s urging , the rebels returned to rescue the clones and succeeded in defeating the Imperial force , forcing Kallus and his men to flee into the desert . After that , Gregor and his fellow clones saluted Kanan and his Padawan , and Rex agreed to join the Rebellion whilst Gregor and Wolffe stayed behind on Seelos , taking the remaining AT - AT walker for their new home . Last stand on Lothal . Gregor along with Rex and Wolffe took part in Ezra Bridger ' s attempted liberation of Lothal . During the battle , Gregor was fatally shot in the right side of the chest . He told Rex of what an honor it was to serve him . Personality and traits . As a Clone commando , Gregor was trained in combat and could operate a blaster . Despite suffering a brief spell of amnesia , Gregor was loyal to the Galactic Republic and willing to put his life on the line for the Republic . Since Gregor removed his control chip , he was unaffected by the transmission of Order 66 . Due to the brain damage he had sustained during the Clone Wars , Gregor experienced occasional periods of insanity during the Age of the Empire . Unlike Wolffe , Gregor along with Rex were not hostile towards Kanan Jarrus and his rebel cell , the Spectres . He befriended Ezra Bridger and Garazeb Orrelios , and convinced the rebels to accompany him on a hunt for joopa s in return for Rex supplying them with information on former Republic military installations . Gregor and Wolffe were loyal to Rex and looked up to him as their leader . Gregor and his fellow clones were willing to fight to the death in order to protect their new - found rebel friends from Imperial forces led by Agent Kallus . Gregor and his fellow clones came to respect Kanan and Ezra after the rebels came to their aid and drove off Kallus ' forces . Equipment . During the Clone Wars , Gregor wore clone commando armor with yellow markings . His helmet had tallies on it which presumably represented the number of battle droid s he destroyed in battle . Behind the scenes . Gregor first appeared in " Missing in Action , " an episode of the of the . A preview clip featuring Gregor was later shown at Celebration VI . He is voiced by Dee Bradley Baker . A trailer for the show ' s fifth season includes Aurebesh on Gregor ' s profile notes indicating that he went missing in action during the Battle of Sarrish . During the episode , a hologram showing Gregor ' s military records was displayed in Aurebesh after R2 - D2 scanned his identifying code . As well as displaying Gregor ' s status as MIA during the Battle of Sarrish , it displayed ' Sgt 1st Class ' , ' 212 Attack Battalion ' and ' Foxtrot Group ' , as well as Gregor ' s height and weight . The designation of Sgt 1st Class contradicts Colonel Gascon stating that Gregor was Captain , despite the fact that Gascon was going off of the hologram . The markings on Gregor ' s helmet were inspired by the hash - marks that goaltender stenciled on his mask to denote the stitches he would have gotten had he not been wearing protective gear . Baker later reprised his role as Gregor in the second season of the Disney XD animated television series " Star Wars Rebels " ; appearing in the episodes " The Lost Commanders " and " Relics of the Old Republic " , which premiered on October 8 , 2015 at the 2015 New York Comic Con . Three years later , Baker reprised his role as Gregor once more in the final " Rebels " episodes " A Fool ' s Hope " and " Family Reunion – and Farewell " , which premiered on March 5 , 2018 at Disney XD .