ARC-0555 "Fives"

''My first day as a member of the 550th Solar Legion, it was hot. Too hot. Chaotic. Of course that's pretty much the way it was for all of us, wasn't it? All that breeding, all those years of training...it doesn't really prepare you for all the screaming or the blood, does it? Frankly, I'm still amazed we made it through the first hour, thanks to our commander Tailred. If it weren't for her, we wouldn't have had made it out with our sanity, or our lives."''

--Fives accounting on his first day as captain in the 550th Legion.

Captain ARC-0555, nicknamed "Fives", was a Clone ARC Trooper assigned to Tailred in the 550th Solar Legion during the Second Ultimeguil War. He proved to be Tailred's most loyal second-in-command and enjoys fighting alongside the world's most renowned Twintail warrior for most of the war, and even with the outbreak of the Twin-Tail Purge following the war, Fives stayed loyal to Tailred in leading Clone troops into killing off many Twintails and their allies, hunting them down wherever they went. However, a near-death experience left Fives greatly mutilated and unfit for duty, but was saved by Kirin Takamiya, a brilliant young scientist he encountered and befriended during the war. Kirin had Fives wear a life-support cyborg armor to sustain himself from his injuries. As he was gradually recovering, as a reward for his long-time service and loyalty, Tailred granted Fives his own lightsaber, and was promoted to Supreme Guard of the Sentinels and Commander of the new army of the Solar Empire.

Fives started out as a supporting protagonist during the first story arc (Purge Arc), but he became a secondary antagonist during the second story arc (Clones Arc).

Fives has also developed a fatherly relationship with Kirin, and is rather protective of her.