A human cave-dweller from the Rocky Mountains who doubts the demons ruling Earth. After being captured and enslaved by the Psychlos, he learns their language and technology via a machine, secretly shares it with fellow slaves, and inspires a rebellion. He orchestrates a mining deception, leads the attack on the base, fights Terl, and initiates the revolt to reconquer Earth.
Romantic partners separated by alien capture, driving Jonnie's motivation.
Primary antagonists whose ideological and physical clash determines Earth's fate.
Fellow human hunters who guide Jonnie into the lowlands.
Fellow captives who bond through shared suffering and secret resistance.
Jonnie strategically exploits Ker's greed to destabilize the alien command structure.
Explore the full interactive character relationship map of Battlefield Earth