Bigro, a combat android among the Shitennos—Neos Gold’s Four Heavenly Kings—commands abilities rooted in entomological dominance and energy manipulation. Her arsenal includes telekinetic control over insect swarms, conjuring razor-edged pink energy needles from her palms, and summoning a luminous energy sword. A fortified exoskeleton shields her form, while her most formidable trait allows metamorphosis into a colossal brown stag beetle, its pincers launching searing energy bolts.

Loyalty initially drives her to lead assaults on Earth’s strategic targets, such as devastating lunar base incursions. A pivotal shift arises when her ally’s sacrificial demise sparks a fleeting rebellion, prompting her to defy Neos Gold. This momentary defiance seals her fate, as her creator annihilates her to reinforce absolute obedience within his ranks.