Quick-thinking, intuitive and totally loyal to the Giant Planet and its inhabitants, Quickmix serves as right hand mech to Metroplex . It is he who first confronts MENASOR over the evil robot's betrayal of the Giant Planet's traditions, and who encourages Metroplex to avoid becoming involved in the affairs of the Autobots . He rarely fights, preferring his role as a builder and repairman, but when the safety of his home world is threatened, he never backs down.