Rock stands as the primary antagonist, a prime ministerial candidate in a future society where computer algorithms dictate human roles. His authoritarian nature is fueled by ambition and an insatiable desire for control. Identifying Godo's exceptional piloting skill, Rock assigns him the critical mission to capture the mythical Phoenix, believing its blood grants immortality and would cement his political power. This quest forms the core of his motivations.

He enforces rigid societal stratification, strictly prohibiting relationships between social classes. His engagement to Rena, daughter of elite leader Lord Eat, is a calculated political alliance within this hierarchy. Discovering Godo's forbidden romance with Rena, Rock leverages his political influence to revoke Godo's citizenship, sentencing him to forced labor in an Icelandic prison camp. This facility implements Rock's energy policy, extracting geothermal energy from Earth's mantle despite causing catastrophic seismic instability and long-term planetary destruction.

Visually, Rock projects cold detachment through his formal attire—a three-piece suit, striped tie, and ever-present dark sunglasses. This design aligns with recurring antagonistic depictions by the same creator, portraying characters marked by absolute determination and charisma.

Following Godo's escape from the camp, Rock marries Rena, though she remains emotionally distant. As Earth crumbles under the catastrophic consequences of his energy policies, Rock attempts to flee with Rena. She dies during the escape, and Rock is permanently blinded by a lava emission. Blinded and broken in his final moments, he receives last rites from Godo. His arc concludes without redemption, emphasizing the consequences of his hubris and destructive ambitions.