Metal Locked v2 is a robot most famous for being a host of Fandemonium. Since having competed in the London Olympics with Sonic, Clyde and Mario, he had an upgrade much similar to Metal Sonic, as of now, he is working with Hiro, Tara, Gaia and Aura in the Ion Army. "Locke", as it is sometimes called was once considered to be the king of Iron City because Locke constantly talks about leaving home after the upgrade, Locke describes his former home as a giant metal city, filled with technology from before it's own time.