Unidentified clone trooper officer (Kamino)

This clone trooper served under Jedi General Shaak Ti and Chief Medical Scientist Nala Se on Kamino, and was involved in the pursuit of clone trooper CT-5555 "Fives" when he had gone rogue after discovering that all clones were implanted with inhibitor chips at infancy, to force them to follow orders blindly. Unknown to the Jedi and the clones, this conspiracy would turn out to be Order 66, masterminded by Supreme Chancellor Sheev Palpatine, who was secretly Darth Sidious.

Equipment
This clone trooper was equipped with Phase II clone trooper armor with gray designs. This clone trooper was also equipped with a kama, and had the Aurebesh "C" painted on his visor.

Behind the scenes
Matt Martin stated on twitter that although this clone trooper is unnamed, it's possible that his name starts with a "C".