At the beginning of Battlestars, Dai Atlas gave Sky Garry zodiac energy and appointed him deputy commander of the Cybertrons (Autobots). Following his victory over nise (false) convoy, Sky Garry used the zodiac energy to revive convoy as Star Convoy. Sky Garry admires Star Convoy tremendously and is his right hand man.
The Mystery Circle Punch, named for crop circles, is his special attack.