501st Legion

The 501st Legion, also known as the 501st Battalion, was a battalion of s in the during the. They were led by, who fell to the  and became the  Darth Vader. During the reign of the, the 501st Legion was nicknamed "Vader's Fist," though the Empire had abandoned the use of clones in favor of volunteers.

Appearances

 * Star Wars: The Clone Wars film
 * Star Wars: The Clone Wars TV series
 * Star Wars Episode III: Revenge of the Sith