"We are brothers! We fight together, not each other! You all broke rule number one: teamwork."

— Alpha 821 breaks up a fight between two clone cadets

Alpha 821 is a Human male who is an Advanced Recon Commando lieutenant colonel, who fought in the Clone Wars. He later joined the Clone Rebellion, questioned the goals of the Empire and deserted soon after. He was stationed on Kamino to oversee the training of new Human recruits and clone cadets, with Alpha 822 and CC-2187.