Characters

The strict vice principal of Hill Valley High School. He takes on the role of severely scolding habitual latecomers and slackers, and often reprimands Marty.

The strict vice principal of Hill Valley High School, who takes a harsh attitude toward tardiness and slackers. He often insults Marty by calling him a 'Slacker' and works to maintain school discipline.

Black mayor in 1985, diner busboy in 1955. Passionate figure dreaming of future success.

Biff's ferocious grandson in 2015, a biker gang-like delinquent in future Hill Valley. He forces Marty McFly Jr. to commit robbery and has a rough, merciless personality. He has a face similar to Biff but is more ferocious and dumber.

Marty McFly's boss in 2015, who discovered his fraud and fired him.

The sheriff of Hill Valley in 1885 who appears in Back to the Future Part III. He is an antagonist of Buford Tannen. Strict and resolute, he desires to sentence Buford to hanging.

Marty McFly's girlfriend, who later marries him and has one son and one daughter, the heroine of the story.

Marty McFly's mother, who was a lively and beautiful high school girl in 1955.

Diner owner in 1955, a character symbolizing the generation gap between 1955 and 1985.

Marty's great-grandmother and Seamus McFly's wife. She has an appearance strikingly similar to Lorraine.

Already deceased by 1885, Marty's brother who met a tragic end due to his weakness to provocation.

A high school student who loves rock and Pepsi, the protagonist of the story. He struggles through various eras after time-slipping.

Children of Marty McFly and Jennifer, siblings who are the key to future incidents. Central figures in the troubles that arise in the future world.

Appears in 1955's Back to the Future as Chuck Berry's cousin and the band's guitarist. He injured his hand while playing guitar during the band's performance, enabling Marty to perform in his place.

Lorraine's younger brother, a 12-year-old boy in 1955. He is depicted as surprised by the appearance of a television in the family.

Owner of Twin Pines Ranch in 1955, and the first to encounter the DeLorean.

A homeless person in Hill Valley in 1985 who mutters abusively upon seeing the DeLorean.

A character appearing in the 'Back to the Future' series. He is Lorraine's father and the person who triggers George McFly being hit by a car.

Marty's great-grandfather, a young man running the McFly farm in 1885. He operates a farm in the wilderness, has a calm personality without any cowardly traits, just an ordinary young man. He is in an adversarial relationship with the town bully Buford Tannen.

A trio of delinquent boys from 1955 who appear in 'Back to the Future.' They are Biff's close associates, each nicknamed based on their distinctive appearances. Skinhead has a buzz-cut shaved head, 3-D wears 3D glasses, and Match always has a match in his mouth.

Lorraine's mother, pregnant in 1955. Known for family anecdotes and interactions with Marty.

Marty's great-grandfather, who was a baby at the time in 1885. He took a liking to Marty and earned the trust of the McFly family.

The strongest knight of the Holy Britannian Empire and holder of the title 'Knight of One'. Known for his overwhelming combat prowess and loyalty.

An immortal Geass user who acts together with Lelouch as his accomplice.