Michael Gehabich or Dr. Michael, is a character in the anime Bakugan Battle Brawlers. He is the grandfather of Alice Gehabich. Similar to how Alice is Masquerade he has a more negative, evil form, which is Hal-G, and for most of the first series he is seen in this form. He turns into Hal-G when a huge amount of negative energy from the Silent Core infiltrates his lab. After Naga was defeated by Drago, he was cured of Hal-G and back to his normal self.
He is first seen in Moscow with Alice, fixing the gate to New Vestroia. When he tests it by sending a Russian doll, it fails to teleport he tries it with a Gate Card and it teleports. However, unknown to him or Alice, it sent thousands of gate cards into New Vestroia, one which is caught by Spectra and given to Professor Clay. Later Michael used the technology of Lync's gauntlet to fix the gate thus preventing Alice, Runo and Julie from going to New Vestroia along with Dan and Baron, as they did not have gauntlets which were required to be able to enter.
Later, Klaus von Hertzon reveals that he worked with Dr. Michael in rebuilding the dimensional transportation by funding the project and to mass produce the device. This explains how Klaus made it to and settled in on Vestal.
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