STAR WARS: Rebels - The Teachings of Darth Traya.
TheShapeShifter for 501st Stormtrooper #1
501st Stormtroopers are elite stormtroopers that pure clones of Jango Fett. Although the 501st continued to exist as a division of the Stormtrooper Corps, it was the First Legion that became the personal stormtroopers of Darth Vader. Troopers of the First Legion were recruited from the ranks of the 501st, however. The 501st fought against the Alliance to Restore the Republic during the Galactic Civil War. By then it was reputedly led by the Emperor's apprentice, with Everi Chalis claiming that the 501st was Vader's personal legion. Even the "Vader's Fist" moniker was applied to the 501st.
A 501st stormtrooper should sound like Temuera Derek Morrison.
"As long as your world is a member of the Empire, you're eligible for recruitment."
"In the past, we secretly enjoyed putting down a local insurrection or two. They kept the troops sharp and the Empire feared. But these Rebels were different. They were organized, they were growing, and they were everywhere."
"We aren't just stormtroopers. We're from the five-oh-first Legion. Darth Vader's personal legion."
