Viggen Viggen was a male human who served in the military of the Galactic Empire . In the fourth year before the Battle of Yavin , he served as the commanding officer of an Imperial base on Imvur . Under his watch , the base was raided by a group of anti - Empire insurgents led by Commander Ryden . Although Viggen ' s men damaged their transport starship , the rebels still managed to escape with stolen supplies . Intent on wiping out Ryden ' s operations , the Imperial C . O . then tracked the insurgents to their base , which was also located on Imvur . Once he arrived in the orbit of Imvur aboard an " Imperial I " - class Star Destroyer , Viggen was glad to find the rebels unprepared to evacuate . Against the suggestion of a lieutenant , the C . O . chose to launch an immediate ground assault instead of starting with an orbital bombardment . Having taken place in one of two AT - AT walker s , Viggen led his war machines toward Ryden ' s base , easily breaking through the rebels ' meager defenses . At one point , the rebels apparently decided to counter - attack , as three MLC - 3 light tank s came out of the base and fired on the AT - ATs . Convinced that those obsolete tanks were no match for his walkers , Viggen continued on to his primary target , ignoring the MLC - 3s . He quickly changed his mind when one of the tank , piloted by the rebel Kanan Jarrus , managed to destroy an AT - AT by hitting its neck at full power . The Imperial then figured out the tanks were only performing distraction maneuvers . When Ryden was forced to exit his tank , Viggen ordered his men to shoot him . That action , however , was interrupted by the sudden arrival of a rebel evac ship that brought the remaining AT - AT down . Although Viggen and the pilots survived the crash of their walker , they were forced to watch the rebels flying away from Imvur . Biography . During the reign of the Galactic Empire , Viggen served as the commanding officer of an Imperial base and also controlled his own " Imperial I " - class Star Destroyer . Around four years before the Battle of Yavin , his base was raided by a rebel cell led by Commander Ryden . The rebels managed to successfully steal a large amount of supplies during the raid , but their transport was heavily damaged and one of them was captured by the Imperials before the rest escaped . Angered at the trouble Ryden and his men had caused him , Viggen traveled on his Star Destroyer to locate the rebels ' base , which was also located on Imvur . The rebels became aware of his coming after they intercepted a transmission he sent out . Upon reaching orbit , one of the vessel ' s lieutenants informed Viggen that they had arrived , and wanting to see to the end of the cell personally , Viggen declared that he would lead Imperial forces on the planet ' s surface to destroy the base and threatened to demote the lieutenant when he questioned the sense of such a decision by suggesting an orbital bombardment instead . Word was then sent to Viggen ' s men to prepare for an assault , and two All Terrain Armored Transport s were deployed to the surface of Imvur , one of which carried Viggen on board . As the two walker s made their way through a canyon toward the base they triggered the rebel ' s outer perimeter alarm and were quickly spotted by a lookout post that managed to send imagery of Viggen ' s forces back to Ryden at the base before being destroyed by the Imperials . Turret s on the walls of the canyon then began firing on the walkers , but their weaponry was not strong enough to pierce the vehicle ' s armor and so Viggen had his forces carry on unperturbed , destroying the rebel defenses in sectors three and four as they did . The AT - AT ' s sensor s then picked up three approaching targets ; a trio of MLC - 3 light tank s pilot ed by Ryden himself and two members of a separate rebel cell providing aid to Ryden ' s : the former clone trooper Rex and the Jedi Kanan Jarrus , both of whom had prior experience in facing All Terrain Armored Transports . Believing that the tanks were a desperate ploy by the rebels which would still not be able to damage the walkers , Viggen orders his AT - AT pilot s to ignore the distraction tactics the tanks were employing and continue on toward the base . He swiftly changed his tune however when the rebel ' s astromech droid C1 - 10P piloted the VCX - series auxiliary starfighter " Phantom " into the canyon and opened fire on the second walker ' s neck , weakening it enough to allow Jarrus to fire with his tank and destroy the walker . Realizing that his walkers were not as invulnerable as he had believed , Viggen ordered that the tanks be destroyed , and Jarrus only narrowly dodged a gruesome death as he abandoned his tank before it was crushed by one of the AT - AT ' s huge feet . Having figured out the rebels tactics , the Imperials managed to prevent the " Phantom " from getting a clear shot on the neck of the walker carrying Viggen ; however , Ryden was able to score a hit with the weaponry of his tank , but drained the vehicle ' s power in doing so and failed to disable the walker . As the commander was forced to flee his powerless vehicle , Viggen saw the kill shot he had been waiting for and ordered his men to gun Ryden down . Before the Imperial could take revenge for the assault on his base , the rebel " Gozanti " - class cruiser " Evac One " arrived and distracted the Imperials by firing on the walker from above . This gave Rex a chance to fire from the last powered tank , and his shot crippled the walker , causing it crash into the side of the canyon . Viggen survived the crash , but was unable to prevent all of the rebels escaping once again with the supplies on board the cruiser , detonating explosives within their base as they did . He was left standing on the surface of Imvur swearing he would one day take vengeance on Ryden . Personality and traits . Viggen was a fair - skinned human with blue eye s , gray hair and a black moustache . After Ryden raided his base , Viggen wanted revenge and decided to personally destroy his base on the surface of Imvur , insisting on leading troops on the planet ' s surface as he would enjoy watching them suffer . When one of his subordinates suggested a more sensible bombardment , he threatened to demote the man for daring to question his decision . On the ground , the attack initially went more smoothly than he would have expected , with the rebels unable to damage the walkers , but he was taken by surprise when the rebel tanks managed to destroy one of the AT - ATs and left fuming on Imvur once the rebels managed to escape . Equipment . While onboard his Star Destroyer , Viggen wore a standard gray Imperial officer ' s uniform including the cap . Upon traveling to Imvur ' s surface however , he donned a set of combat armor over the top of the uniform . Behind the scenes . Viggen first appeared in the comic strip " Vulnerable Areas , " which was written by Martin Fisher and illustrated by Bob Molesworth . The strip was published in " Star Wars Rebels Magazine " 17 in 2016 .