The former President of the United States and one of the last two survivors, Billy carries profound guilt over triggering the global apocalypse. He undergoes sequential hermaphroditism, developing female reproductive organs, menstruating, and becoming pregnant. Despite initial distress, he demonstrates emotional resilience and often serves as the hopeful, guiding force for Ray.
Long-standing companionship formed before the catastrophe, providing emotional grounding throughout their isolation.
Explore the full interactive character relationship map of Biosphere