The 501st Legion. An elite cadre of Clone Troopers, and later Stormtroopers, under the direct command of Jedi General Anakin Skywalker, later rechristened as Darth Vader. Initially simply a unit designation, they later went on to be involved in several key battles of both the Clone War, and the later Galactic Civil War, earning their nickname of "Vader's Fist"

No anakin is the general which is a higher rank therefor him leadin it