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|voiced by = [https://www.imdb.com/name/nm0413263/?ref_=ttfc_fc_cl_t1 Andrew Jackson](ENG)<br/>Keiji Fujiwara (JP)

{{Nihongo|'''Zenthon'''|ゼントンゼンートン|ZentonZen̄ton}} was [[Titanium Dragonoid]]'s [[Mechtogan]] in ''[[Bakugan: Mechtanium Surge]]''.

He first appeared in ''[[Mechtogan Mayhem]]'' battling [[Titanium Dragonoid]]. He spawned from [[Drago (Dan Kuso)|Drago]]'s powers, started to battle Drago and then teleported where [[Marucho]] and [[Jack Punt]] were fighting and interrupted the battle. After defeating [[Trister]] and [[Krakenoid]] in one blow, [[Anubias]] and [[Sellon]] started to fight Zenthon. After they failed to damage him, he then vanished. He also spoke for the first time.

Zenthon appeared again in ''[[Fall From Grace]]'', from a swirling black cloud after [[Drago (Dan Kuso)|Drago]] lost control of his powers again. He briefly fought against [[Drago (Dan Kuso)|Drago]], Trister, and [[Taylean]] and then left.

Zenthon appeared yet again in ''[[Agony of Defeat]]'', when he is "summoned" by [[Drago (Dan Kuso)|Drago]] when he and [[Dan]] lost control and interfered on their behalf. However, it caused [[Dan]] and [[Drago (Dan Kuso)|Drago]] to be disqualified from the tournament.

In ''[[Return to New Vestroia]]'', he appeared in [[Drago (Dan Kuso)|Drago]]'s vision.

In ''[[Chaos Control]]'', he appears again when Drago loses control against Anubias. Zenthon attempts to attack Drago again, but Drago figures out that if Zenthon came from him, then he must obey his orders/follow his code of battling. He is able to take on Drago's '''Core Buster''', but falls to Drago's '''Revolutional''' ability. When Anubias's Mechtogan attempts to finish off [[Dan]] and [[Drago (Dan Kuso)|Drago]], Zenthon stops him, appearing to finally follow Drago's orders. He takes down Venexus, using some kind of bright wave. He leaves as soon as [[Anubias]] lost.

Zenthon is #01 in the Mechtogan game line. An [[Aquos#Legacy|Aquos]] Zenthon has 170 [[G -Power|Gs]], a [[Haos#Legacy|Haos]] Zenthon has 170 Gs, a [[Pyrus#Legacy|Pyrus]] Zenthon (either standard or [[Combat]]) has 180 Gs, a [[Subterra]] Zenthon has 180 Gs, and a [[Ventus#Legacy|Ventus]] Zenthon has 170 Gs.