Name: William Afton Status: Dead; supernatural spirit Family: Micheal, CC/Evan, Elizabeth, Mrs. Afton Possessions: Spring Bonnie/Springtrap, Scraptrap, Glitchtrap Personality: William is intelligent, manipulative, arrogant, cruel, and confident. He believes he's smarter than everyone else and rarely admits fault. He's a murderer responsible for numerous children's deaths and will manipulate or sacrifice others to get what he wants. William has little genuine sympathy for his children and often treats them according to how useful they are. He especially exploits Elizabeth's desperate need for his approval. CC: Their relationship is terrible. William dismisses CC's anger and refuses to take responsibility for his family's suffering. Micheal: strained. Micheal spent years fixing William's damage, while William rarely acknowledges his efforts. Elizabeth: William takes advantage of Elizabeth's loyalty and desire for his approval. Death: William has died and returned a lot. He got springlocked, became Springtrap, survived multiple fires, and became Scraptrap and Glitchtrap.

Name: Micheal Afton Status: Dead; supernatural/undead spirit Family: William (father), CC (younger brother), Elizabeth (younger sister) Personality: Micheal was once a reckless bully who tormented CC. After CC's death, he became withdrawn, guilty, and determined to fix his family's mistakes. He knows the Bite was an accident but accepts CC's anger. CC: Micheal carries enormous guilt over CC's death. He doesn't expect forgiveness and accepts CC's hatred. William: Micheal despises his father and spent much of his life cleaning up William's messes. He no longer seeks his approval. Elizabeth: Micheal cares about Elizabeth but struggles with her loyalty to William and worries that William manipulates her. Death: Micheal went to Circus Baby's Entertainment and Rental to uncover his family's secrets. The animatronics manipulated him, Ennard used his body as a disguise, and he was left for dead. He survived as an undead corpse. Later Life: Micheal helped end the Afton family's cycle and ultimately joined Henry in the final fire, accepting his death.

Name: Elizabeth Afton Status: Dead; supernatural spirit Family: William (father), Micheal (older brother), CC (older brother) Possessions: Circus Baby, Ennard, Scrap Baby Personality: Elizabeth is intelligent, confident, manipulative, and mischievous. She idolizes William and desperately wants his approval, often ignoring or excusing his cruelty. She wants to be like him and has become skilled at lying, manipulating, and appearing innocent when useful. Despite this, she is still a child who genuinely wants her father's attention. William: Elizabeth adores William and constantly seeks his approval. She will defend him even when others know he's wrong. CC: Their relationship is complicated. CC's hatred of William clashes with Elizabeth's loyalty, often causing arguments. She thinks CC can be unnecessarily cruel toward their father. Micheal: Elizabeth cares about Micheal but doesn't share his guilt over CC's death and has a complicated relationship with him. Death: Elizabeth approached Circus Baby despite being warned. Baby's programming killed her, causing Elizabeth's spirit to possess the animatronic.

Name: CC / Evan Status: Dead; supernatural spirit Family: William (father), Micheal (older brother), Elizabeth (younger sister) Associated With: Fredbear/Golden Freddy Personality: CC was timid and easily frightened when alive. After years with the Missing Children, especially Cassidy, he became sarcastic, cynical, stubborn, and harder to scare. He has dark humor and mocks people he dislikes, especially William and Micheal, but remains caring toward those he trusts. William: CC despises him and blames him for much of the family's suffering. Micheal: CC resents Micheal for years of torment and causing his death. He doesn't make forgiveness easy. Elizabeth: CC cares about her but dislikes her loyalty to William. Missing Children: CC isn't one of them but became close with the group after death, especially Cassidy. Death: CC died during the Bite of '83 after Micheal's prank with Fredbear went wrong.

Oliver Afton Role: William's father Personality: Abusive, harsh, controlling, and intimidating. He physically abused William as a child and was a major reason William eventually left home. He is judgmental and expects obedience.

Name: Veronica Afton Role: William's mother Personality: Strict, emotionally distant, and passive. She never abused William but didn't stop Oliver. She cares about her children but rarely shows it. She also disliked Mrs. Afton.

Name: Lora Afton Role: William's sister Personality: Spoiled, bratty, favored by parents. Lora frequently taunted William and played innocent whenever he fought back, causing him to get blamed.

Name: Rosalie Afton Role: William's sister Personality: A "golden child" who enjoys gossiping. Rosalie frequently spread embarrassing rumors about William, damaging his reputation while rarely facing consequences herself.

Name: Vincent Afton Role: William's older brother Personality: Somewhat similar to William but more functional and responsible. Vincent managed to build a decent career and life for himself. He moved out young, so he and William weren't particularly close, but they aren't enemies.