Shadow Twelve / Legends " Shadow Twelve " was the call sign of a clone trooper pilot who served in Shadow Squadron of the Republic Navy during the Clone Wars . In 22 BBY , the clone participated in a mission to destroy the Confederate superweapon " Malevolence " . During the mission , he piloted his BTL - B Y - wing starfighter through the Balmorra Run , evading neebrays along the way . Later , when arriving near the Kaliida Shoals Medical Center , where the " Malevolence " had arrived , the pilot managed to evade an ion blast from the " Malevolence " ion cannon . In the ensuing battle , the clone trooper and Shadow Squadron managed to cripple the ion weapons of the " Malevolence " , saving the " Haven " - class medical station from destruction . Biography . A clone of the Mandalorian bounty hunter Jango Fett born on the planet Kamino , " Shadow Twelve " was the call sign of a clone trooper pilot who served in Shadow Squadron , a starfighter unit in the Galactic Republic ' s navy . In 22 BBY , during the Clone Wars , Free Dac Volunteers Engineering Corps constructed the " Malevolence " — a " Subjugator " - class heavy cruiser armed with two ion cannons capable of neutralizing the power of an enemy ship — for the Confederacy of Independent Systems . After the defeat of a Republic task force in the Abregado system , Jedi General Anakin Skywalker devised a plan to stop the Confederate warship . Skywalker would lead Shadow Squadron , including Shadow Twelve , on a mission to destroy the " Malevolence , " which was on its way to the Kaliida Shoals Medical Center , where 60 , 000 wounded clone troopers were being treated . The squadron would then destroy the bridge , killing the commander of the cruiser , General Grievous . Shadow Squadron , which had been joined by Skywalker ' s Padawan , Ahsoka Tano , and Jedi Master Plo Koon , departed from the " Venator " - class Star Destroyer " Resolute " . Skywalker contacted all pilots , and after they had checked in with the Jedi General , the squadron jumped to hyperspace . Emerging at the Kaliida Nebula , Skywalker led Shadow Squadron to the Balmorra Run , a shortcut to the medical center . Skywalker was , however , unaware of the neebrays inhabiting the nebula . Evading the massive creatures , Shadow Twelve and the squadron made their way out from the nebula , arriving at the medical center just as the " Malevolence " emerged from hyperspace . The massive warship targeted the Republic group , launching an ion ray from one of its ion cannons . Five pilots were caught in the ion ray , but Shadow Twelve and the rest of the squadron continued toward the " Malevolence " . Due to the increasing laser fire , Tano and Koon advised Skywalker to abandon the original attack plan . Skywalker ordered Shadow Twelve and Shadow Squadron to fire their proton torpedoes at the starboard ion cannon , which was targeting the medical center . The squadron successfully managed to cripple the weapons , stopping the " Malevolence " from destroying the medical center . Behind the scenes . The clone trooper with the call sign " Shadow Twelve " first appeared in " Shadow of " Malevolence " , " the third episode of the of the , which aired on October 10 , 2008 . Like every clone trooper in the series , " Shadow Twelve " was voiced by Dee Bradley Baker .