General Ozlack, sometimes identified as General Bergan, is a high-ranking Boazanian military commander. He arrives on Earth after General Zuhl's death, positioning himself as a strategic adversary to the Voltes team. Ozlack disrupts communications and launches assaults using meteorites infused with Maxingal metal—an extremely durable material that nullifies conventional weapons like Voltes V's Tenkuu-ken against upgraded Beast Fighters.

Commanding the flagship Gaildoza, Ozlack directs attacks against Earth Defense Forces. His tactics involve manipulating subordinates and sacrificing troops for advantage, such as pursuing a scientific weapon developed by human researchers and ordering the elimination of those scientists to protect Boazanian objectives. In combat, he deploys unconventional weaponry like high-frequency sound emitters designed to disable Voltes V.

Ozlack exhibits no remorse for personnel losses and displays ambition within the Boazanian hierarchy. He later aligns with General Gururu, the head of the Boazanian military. Media leaves unaddressed potential aspects like origins as a hornless Boazanian or personal slave. His role centers on escalating technological warfare, driving Voltes V's upgrades to counter Maxingal-enhanced threats. Media does not expand his development beyond these operational and tactical dimensions or address his origins or post-series fate.