Dogma, whose clone trooper designation was CT-6922, was a Clone Private who served in the 501st Legion of the Grand Army of the Republic during the Clone Wars. He was known to always follow orders. After being manipulated by Jedi Master and secret Separatist agent Pong Krell during the Battle of Umbara, Dogma executed Krell to prevent him from revealing Republic Military secrets.

The 501st Legion, also known as Vader's Fist, was an elite unit of clone troopers in the Grand Army of the Republic during the Clone Wars. They were known for their blue markings and their close association with Jedi General Anakin Skywalker and Commander Ahsoka Tano. The 501st played a significant role in many battles and were instrumental in the execution of Order 66, turning on the Jedi. They later became a prominent stormtrooper unit in the Imperial era.