Kurageman emerges as a recurring antagonistic force in the series, manifesting as a colossal entity blending traits of octopus and jellyfish. His core drive revolves around voraciously absorbing vast volumes of water, primarily targeting swimming pools. These acts incite clashes when ingested water becomes tainted by human interference—notably urine from swimmers—provoking him into explosive rampages that devastate urban zones.

Operating as a loyal enforcer under Dr. Zaiclit, the central antagonist, Kurageman’s aquatic assaults align with Zaiclit’s overarching strategies to destabilize the protagonists. During a pivotal confrontation at a water park, Kurageman’s onslaught is interrupted when a human adversary disables him by detaching a vital mechanism symbolically termed a "plug," resulting in his abrupt incapacitation.

The character’s documented role remains strictly tied to these events, with no expansion on origins, deeper motives, or relationships beyond his function as a destructive agent within Zaiclit’s schemes.