Boombox holds the rank of one of the Four Heavenly Kings commanding the Dark Metal Empire. He possesses a notably imposing physical stature, marked by considerable size and muscular build, perfectly matching his persona as a wild, aggressive drummer. This musical passion directly fuels his combat approach, where drumming rhythms energize his Gorilla-type Zoid partner, Dragz, boosting its capabilities in battle.

Dragz embodies Boombox's volatile temperament. Together, they unleash a Wild Blast ability, generating a red battle aura that drastically amplifies their offensive power. Their standard strategy relies on overwhelming force, utilizing Dragz's immense strength for direct, head-on assaults. This method frequently displays limited tactical flexibility, prioritizing raw power over intricate maneuvers.

Boombox's leadership mirrors his combative nature, often ignoring the safety of subordinate forces during operations. Instances occur where his attacks inadvertently strike Empire-aligned units near enemy targets. This disregard makes collateral damage inevitable, underscoring his antagonistic role where personal dominance and destructive capability supersede strategic goals or ally preservation.

In the Empire's final confrontations, Boombox enters an intensified Berserk state, heightening his aggression and combat effectiveness. Despite this escalation, the coordinated resistance of Team Freedom overpowers both Boombox and Dragz. They succumbed to defeat as the Empire's power collapsed.