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KUMA-03 Beargguy III

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The KUMA-03 Beargguy III is a custom mobile suit appearing in Gundam Build Fighters. It was built and piloted by China Kousaka.

Technology & Combat Characteristics

China's customized Gunpla, it is a modified HG GPB-04B Beargguy or KUMA-02 Beargguy II. Since China is in the art club, her painting skill is high, giving it an elegant and cute look. The Beargguy III is armed with 3 beam cannons, 2 in its extendable arms and 1 in its mouth. The beam cannons in the arms are capable of generating beam sabers. The suit has a hard point connector on its back, which is normally mounted with the custom ribbon striker. One of Beargguy III's interesting features is that it has a LCD monitor installed in its face that allows it to change its eye expression mid-battle. Also, due to its unique setting of "a stuffed toy becoming a robot", China, having a much different perspective about Gunpla, actually filled the Gunpla with cotton, resulting in unexpected outcomes during its battle with SD Knight Gundam. These unexpected outcomes would in turn motivate Sei to think out of the box when building the GAT-X105B/ST Star Build Strike Gundam.


  • Mouth Beam Cannon
A beam cannon that is mounted in the mouth, it can be fired after the mouth opens.
  • Beam Cannon/Beam Saber
Mounted in both paws, besides functioning as ranged beam weapons, they can also generate beam sabers for melee combat.

Special Equipment & Features

  • Extendable Arm
Beargguy III retains the Acguy and Beargguy's extendable arms for striking down enemy mobile suits.
  • Hardpoint
By removing the ribbon striker on the back, a hardpoint is revealed which could be used to connect various armaments and equipments.
  • Ribbon Striker
A custom striker pack that looks like a ribbon, it can function as a flight unit.
  • Cotton Stuffing
Beargguy's body is full of cotton fluff, which expands when the armor is pierced, allowing it to repel certain physical attacks. This is an unintended effect as China's original intention is to just recreate the unit's backstory. The stuffing can also be released from the mouth beam cannon as a means of entrapment.
  • LCD Monitor
Installed in the face, above the mouth and nose, the LCD monitor allows the Beargguy III to change its eye expression during battle.


Information regarding the Beargguy III are found on China Kousaka's page.


  • The name III is a pun of the suffix "-san", a common verbal term used in Japanese Language for "Mr" or "Mrs". Thus, in some English translation, the name is translated as "Mr. Beargguy" or "Mr. Beargguy III"
  • The Beargguy is first stated as being based on the GPB-04B Beargguy. However, the appearance of the mass market KUMA-02 Beargguy II in Build Fighters Try caused many fans to question this fact. Currently, no official information has been released to say if there is any retcon.
  • The "KUMA" in its model number means "bear" in Japanese.



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