Tetsuo II: Body Hammer

A salaryman who becomes the conduit for a brutal, machine-driven power. He is torn between a paternal instinct and a terrifying new reality where his body can weaponize itself. His suppressed memories surface as violence and control escalate, driving him toward a cataclysmic confrontation.

The cult's ruthless leader who believes in turning people into destructive gods. He manipulates others through fear and promises of power, unafraid to sacrifice individuals for his agenda. His plan culminates in a brutal revelation about lineage and control.

A formidable enforcer within the skinhead faction who embodies the group's brutality. He participates in the kidnappings and intimidation that escalate the film's violence. His presence heightens the sense of menace surrounding the cult.

A traumatizing patriarch who trains his sons with guns and orchestrates a violent, ritualistic past. He is the architect of the family's violent path and the origin of the mortal wound that drives the story's horror. His legacy haunts his children long after his actions.

A devoted wife who uncovers the truth about her husband's powers and the memory manipulation surrounding him. She acts as a protective, emotionally grounded anchor and becomes a pivotal figure in the couple's struggle. Her kidnapping intensifies the crisis and pushes Taniguchi to complete his transformation.

The inventor behind the injection gun and the manipulator of memories. He catalyzes the transformation process, pushing Taniguchi toward monstrosity. His murder by Yatsu reveals the ruthlessness of the cult's power dynamics.

A younger member of the skinhead faction who serves the cult's brutal aims. His actions contribute to the escalating danger facing the protagonists. He embodies the indoctrination and aggression at the heart of the group.

A figure who represents the family background that frames the tragedy. The memory of the mother's life and the father’s violence drive the brothers toward their fates. Her role is largely framed by the family’s dark history.

Taniguchi's son, whose kidnapping and death spur the father's transformation. His fate underscores the film's themes of family, loss, and the consequences of unchecked power. His memory remains a driving force behind the protagonist's actions.