Contestir is the antagonist-turned-protagonist and an character from Bakugan Gundalian Invaders. He was trying to help Zenet to capture Drago who has The Element. He was brainwashed by Kazarina for the evil purposes into building an army of Gundalian Soldiers.
Contestir has taking the form of Coredem and tries to beat Drago. But his transformation was a short time.
As Lumino Dragonoid
Contestir takes the form of Drago and copy his attacks. But when Zenet tries to copy Drago's battle gear, Contestir went back to his original form into telling her that he cannot copy a battle gear.