R2-X2 was an black and white astromech droid that worked for the Rebel Alliance during the Galactic Civil War. He was stationed on the rebel base on the planet of Yavin 4 and worked as a co-pilot of the rebel pilot Theron Nett, nicknamed red 10. He was present during the showing of the Death Star's weakness, were the droid met R2-D2. He was later placed in Red 10's X-Wing starfighter and flew as his co-pilot during the Battle of Yavin. He watched as the rebels destroyed many of the Imperial T.I.E. fighters before his X-wing was destroyed as well, along with Red 10.