Gizmo is an evil Galvanic Mechamorph who spent his early life stealing and attacking Galvan civilians. When he grew older, he became more sinister. He started killing innocents and robbing. He moved onto becoming an invader and has conquered many planets.
Gizmo uses a device to absorb power, but Noah faces him with Ultimate Upgrade and Gizmo accidentally absorbs him and evolves and becomes more powerful than Noah as an evolved Galvanic Mechamorph!
Gizmo's goal is to rule the entire Universe and have a whole lotta slaves at his disposal. He plans to be the Universal Conqueror and be worshiped everywhere.