CC-5620, nicknamed "Joe", was a clone trooper captain serving as commander of Rhea Company in the 88th Star Corps of the Grand Army of the Republic, serving under Clone Trooper Marshal Commander CC-4822 "Ace", and Clone Trooper Major CM-1212. Due to an incident during the initiation of Order 66, he was demoted to sergeant and trasferred to the famed 501st Legion. He was killed by a grenade during the boarding of the Tantive IV in 0 BBY.