Captain Metal is a rebuilt Metal Sonic, former minion of the evil Dr. Eggman. Due to being rebuilt from Metal Sonic v3.3 he has the memories of 3.3. While the main Metal Sonic retains the memories of all the previous Metal Sonics.
Captain Metal started out his life as "Metal Sonic v3.3". Built by Dr. Eggman and Snively, it was outfitted with the special SXSU-401 engine, designed to hop universes. Upon activating, he promptly warped to Moebius, where a gathering of hedgehogs were taking place as Sonic, Shadow, Amy Rose and Rob O' The Hedge were dealing with Scourge the Hedgehog and Amy's Moebius counterpart Rosy the Rascal. Sonic was able to convince Metal to aid in fighting them, but when Scourge upped the ante and became Super Scourge, Metal decided to abandon the fight and try to fight Sonic. Shadow stepped in and used Chaos Control, teleporting the two of them into the universe of Sonic X. Metal Sonic temporarily linked up with the Eggman of that universe before another encounter with Shadow brought them to the Sol Universe, which put the robot in conflict with Princess Blaze the Cat and her sidekick Marine the Raccoon. Metal Sonic was easily a match for both Shadow and Blaze, but was soon outwitted and destroyed by the Ocean Tornado's cannon.
Metal's remains were discovered by Dr. Ratcheturn and was rebuilt piecemeal-like. Metal thanked him by hijacking his boat and leaving him to an unknown fate. He, later, took over as leader of the Sol Zone Pirates, destroying Boltbeard and using his parts to construct a new body for himself. He soon came into possession of the last Sol Emerald and the help of zone-displaced Bean the Dynamite Duck and Bark the Polar Bear, as well as a mysterious battlestation (unknown to him was the Wily Egg, a superweapon constructed by Eggman and Dr. Wily), which he named the Egg O' War. He would reencounter Blaze and Marine, who were joined by an equally zone-displaced Amy and Cream. In the resulting scuffles, Johnny, right hand man of Captain Whisker, complicated things by trying to steal the Sol Emerald himself with Whisker himself entering soon after. Metal was able to keep the Emerald, but found himself chased by Blaze. Captain Metal overpowered Blaze, but Amy and Cream's timely intervention saved her, allowing the princess to take control of the final Sol Emerald and become Burning Blaze. Burning Blaze easily liquified Captain Metal's body, only for him to hop into the Egg O' War's systems itself. However, this wasn't enough and Burning Blaze ravaged the battlestation, sending it plunging into the water with the robot vowing revenge.
Powers and Abilities
Metal Sonic v3.3As Metal Sonic he had the ability to move at speeds rivaling that of Sonic, Shadow, and Blaze and fly while doing so. Metal Sonic was able to use the Spin Dash technique. He also had a special engine named the SXSU-401 which allowed him to move between dimensions.
As Captain Metal he was equipped with some sort of arm cannon which also had a blade attached to it.
- The SXSU-401 engine is a nod towards the two comics the Metal Sonic would show up in, Sonic X #40, the title's final issue, and Sonic Universe #1, that title's first issue.