Maelstrom is an evil super robot, and the rival of Altair X-3.
Maelstrom Xero is a large, black and gunmetal robot, similar in appearance to Altair. He is chunky, with glowing red eyes.
- Plasma Cannon: Xero features a large plasma cannon in his right wrist. It can fire a more powerful version of Altair's Plasma Shot.
- Plasma-Fusion Blazer: Xero features a plasma-fusion energy machine gun in his left wrist. It can fire quick, powerful shots.
- Claws: Xero features large talons on both hands, used for slashing other robots to pieces.
- Maelstrom Xero is based on the CyberKing from Doctor Who, and evil Gundams.