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Subterra Boulderon (open).jpg
Attribute Subterra Subterra
Mechtogan Vexfist
BakuNano Slingpike
Battle Suit Blasterate
First appearance A Royale Pain
Voiced by Ron Pardo

Boulderon, Argus (アルグス, Arugusu?) in the Japanese version, is the Partner Bakugan of Paige in Bakugan: Mechtanium Surge. His BakuNano is Slingpike and his Mechtogan is Vexfist. His Battle Suit is Blasterate.




Bakugan: Mechtanium Surge[edit]

He first appeared in A Royale Pain to help fight against Taylean's Mechtogan, Silent Strike, along with Rafe, Paige, and Wolfurio.

He appears again in Mind Search, battling in the Capture the Flag battle with Wolfurio and Trister.

In Triple Threat, he and Wolfurio defeated unknown brawlers who were using Chaos Bakugan.

In Interspace Under Siege, he used Slingpike for the first time and defeated many Chaos Bakugan, with Taylean, Trister, Wolfurio, and Infinity Helios.

In Unlocking the Gate, Dan and Drago gave him and the others a piece of their power which enable them to call their Mechtogan.

In True Colours, he battled alongside Wolfurio and summoned his Mechtogan Vexfist to fight against the Chaos Bakugan, Rockfist, and Deezall. By combining his attack and Vexfist's, he defeated Rockfist and won.

In The Final Takedown, he uses a Subterra Blasterate to fight the Razen Titan clones.

Ability Cards
  • Magnetic Shield
  • Bolt Motion
  • Portal Magnet
  • Burst Quench
  • Hyper Sway

Physical Game[edit]

Boulderon is a BakuTactix and dons a standard G-wheel. The Aquos version has 950/900/1200 Gs. The Haos version has 700/850/900/750 Gs. The Subterra version has 1250 Gs.

Japanese Release[edit]

The Pyrus version has 380/440/500/560/620/680 Gs. The Subterra version has 380/440/500/560/620/680 Gs.


  • Its Bakugan form bears resemblance to Gember and Mo-shogun from Tengen Toppa Gurren Lagann.
  • Its ball form resembles Warius, especially its arms.
  • Boulderon was the last Bakugan to be released in North America.
  • Its Bakugan form also somewhat resembles two other things - Tony Stark's Hulkbuster Armor from Iron Man and The Hammer from Sym-Bionic Titan.