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SubterraRoxtor BakuFusion.png
Attribute Subterra Subterra
Variations Roxtor
First appearance Evil Arrival
Voiced by Hadley Kay

Roxtor Rockstar (ロックスター, Rokkusutā?) in the Japanese version, is a scorpion-like BakuFusion. It fuses with Radizen to make Betakor. It was released in August 2011. He is Mira's new Partner Bakugan in the second arc of Bakugan: Mechtanium Surge.



Roxtor is shown to speak gibberish, which only Radizen and Mira can understand. He seems to care about his peers, especially Radizen, who he wants to befriend. This was shown in Combination Impossible, where he entered the battle to help out Radizen.

The speed of Roxtor's attacks makes it a worthy adversary in battle. His powerful legs and elongated claws make him a lethal monster when provoked. Roxtor fuses with Radizen to form the mighty Betakor.


Bakugan: Mechtanium Surge[edit]


Roxtor is Mira Fermin's second Partner Bakugan as shown in Evil Arrival. He also appeared briefly in Wiseman Cometh and Mysterious Bond.

He appeared in Combination Impossible, fusing with Radizen to form Betakor.

He appeared in Enemy Allies, battling against Tremblar, whom he escaped. However, he was later defeated by Mechtavius Destroyer.

In Countdown to Doomsday, he battled Worton. He combined with Radizen, but ended up being defeated by Mechtavius Destroyer.

Screen Shot 2011-11-25 at 6.56.17 PM.JPG

In The Eve of Extermination, he battled the Nonets and the evil Mechtogan, who combined to form Mechtavius Destroyer. He combined with Radizen and with the help of Aeroblitz and Magmafury, they were able to break down Mechtavius Destroyer's shield.

In Enemy Infiltration, he combined with Radizen and he battled against Slycerak, Exostriker and Mandibor alongside Magmafury and Aeroblitz but ended up defeated.

In Evil Evolution, he formed Betakor with Radizen and he fought against Mechtavius Destroyer alongside Dragonoid Destroyer, Flytris, Thorak, Magmafury, and Aeroblitz. After putting up a good fight, he ends up being defeated.

In Beginning of the End, he formed Betakor and he fought against Mechtavius Destroyer alongside Dragonoid Destroyer, Flytris, Thorak, Magmafury, and Aeroblitz.

In End of the Line, he was seen watching Dragonoid Destroyer defeat Mechtavius Destroyer alongside the other brawlers.

Ability Cards
  • Power Granite
  • Under Explosion

Physical Game[edit]

The Ventus version has 940 Gs, the Pyrus version has 800 Gs, the Subterra version has 850 Gs, the Subterra Baku Lava Storm version has 1020 Gs, the Aquos version has 860 Gs (980 Gs in a BakuTrinity), the Darkus Baku Cyclone Strike version has 1030 Gs, and the Pyrus Baku Camo Surge version has 1010 Gs.


  • Roxtor is the first Partner Bakugan who doesn't speak in an understandable language.
    • However, in Beginning of The End, he clearly says: Oh Yeah before forming Betakor.
  • He is also the only Subterra-attributed protagonist Bakugan who is not humanoid.
  • Despite being Mira’s Bakugan, she never used him in battle.