501st Legion

The 501st Legion (nicknamed Vaders fist) was an elite unit of Clone troopers in the Imperial Army (formerly the Grand Army of the Republic) under direct command of Darth Vader. Initially known as the 501st Clone Battalion was a clone army created during the Galactic Republic era as a military force for the republic during the Clone Wars. The unit was redisngated 501st Imperial Legion during the Great Purge. The 501st would be tasked with assisting Vader with the eradication of the Jedi most notably the Raid on the Jedi Temple.