Jedi Generals Anakin Skywalker and Obi-Wan Kenobi lead the 501st Legion along with the 212th Attack Battalion under the commands of Captain
Command. For most of the Clone Wars, the 501st Legion was led by Jedi General Anakin Skywalker, Jedi Commander Ahsoka Tano, and Clone Captain CT-7567 "Rex," who served as their first in command.
As Anakin Skywalker fell to the dark side, and Chancellor Palpatine executed Order 66, the newly annointed Sith Lord Darth Vader led the 501st Legion in Operation Knightfall, the destruction of the Jedi and their temple.
When Chancellor Palpatine - in reality the Sith Lord Darth Sidious - issued Order 66, the 501st became the personal unit of his apprentice, Darth Vader. He led them in Operation: Knightfall, in which the clones helped take down the Jedi, believing them traitors to the Republic.
The 501st Legion is a division of the Grand Army of the Republic—in both canon and Legends—under the command of Jedi General Anakin Skywalker and Padawan Commander Ahsoka Tano. The 501st fought against the droid forces of the Confederacy of Independent Systems (CIS) throughout the Clone Wars.
The 501st Legion was temporarily put in-charge of General Krell who secretly was an agent of Dooku. Later in the final days of the Clone Wars, Anakin Skywalker now known as Darth Vader lead the 501st under Commander Appo to attack the Jedi Temple.
Obi-Wan was one of the prominent generals of the Galactic Republic during the Clone Wars, who fought side by side with Anakin and the 501st. So, it could be likely that the Clone trooper indeed recognized the Obi-Wan.
CT-5539, nicknamed "Hock Malsuum," was a clone trooper that was active during the Clone Wars and reported as dead, only to resurface during the early months of the Galactic Empire and join Darth Vader's 501st Legion of the Stormtrooper Corps.
The color blue signified the 501st Legion of the Grand Army of the Republic. Captain Rex leads his men, in formation, on Umbara to arrest Jedi General Pong Krell for high treason and sedition.
If you consider the text on the loading screen and the in-game scripted speech to be canon (The Holocron system identifies all plot-related elements of licensed games to be EU/C-Canon), then the clones of the 501st are explicitly identifying Anakin as Lord Vader during the attack on the Jedi Temple.
ARC-0001 (formally CT-0001) was created years ago in 32 BBY with the rest of the clones on the watery planet of Kamino, he is a fully trained arc (advanced recon commando) trooper, and he is the leader of 223rd Strike Force, his nickname is Commander Unos.
The 501st Legion name
Johnson and Tom chose the club's name in 1997 to represent a fictional unit of Imperial stormtroopers. He wanted to ground the group in a "realistic" world and to pay homage to the fighting units of true military heroes, like his World War II airman father.
The leader of the 501st Legion's Torrent Company, CT-7567 – better known as Rex – was an exemplary clone trooper, brave under fire and dedicated to the men serving under him.
You may be looking for the 187th Legion, Mace Windu's Attack Battalion, or the regiment of Galactic Marines led by Mace Windu. The 187th Battalion was an infantry battalion of clone troopers that served under the command of Jedi General Mace Windu.
The 41st Elite Corps was a famed unit in the 9th Assault Corps that was under the command of Grandmaster Yoda, Jedi General Luminara Unduli, and Commander Gree. Despite its Clone Wars-era name, it was actually a legion and led by a senior clone commander.
Aftermath. Although Order 66 greatly depleted the Jedi Order's ranks, with an estimated less than 100 Jedi surviving it, it was only the beginning of the Great Jedi Purge, which stretched on for years and claimed the lives of many of the survivors of the initial onslaught.
The clone veteran used his helmet to hold credits. While living in a homeless condition on Daiyu, the clone veteran wore dirty Phase II clone trooper armor adorned with the blue markings of the 501st Legion and was in possession of an accompanying helmet, which he used as a bucket to collect credits.
The 501st Legion
Presenting Commander Cody (Phase II) as seen in The Clone Wars, Season 7! As a senior level veteran, Cody commands the 212th Battalion and is among the highest ranking Commanders within the Grand Army of the Republic.
The 501st legion we're never trained as an Elite force, ie they weren't a commando group. That being said they were one of the more successful legions and had fewer deaths compared to many other clone legions.
A reliable and versatile astromech droid, R2-D2 has served Padmé Amidala, Anakin Skywalker, and Luke Skywalker in turn, showing great bravery in rescuing his masters and their friends from many perils.
By far the most iconic Sith Lord and warrior is Darth Vader (or Anakin Skywalker). He, through his extensive injuries and being trapped in a technologically-advanced suit to survive, stayed strong with the force.
Haja Estree posed as a Jedi. During the reign of the Galactic Empire, the human male Haja Estree resided on the planet Daiyu, working as a con artist. In his scam, he posed as one of the Jedi, Force-sensitive peace-keepers who were hunted by the Empire after their Jedi Order was destroyed in 19 BBY.
In a desolate and harrowing setting, a homeless trooper (played by Boba Fett actor Temuera Morrison) asks Obi-Wan for credits enough for a hot meal.
Within the story, a pirate named Gruk has taken a crewmember of the Star Wars pirate Sidon Ithano (aka the Crimson Corsair) - Quiggold. The hostage quickly informs his captor of why his plan is doomed to fail - Kix (now referred to as "the Last Clone") has infiltrated their ship.