Name: Josuke Higashikata Age: 16 Stand: Crazy Diamond Ability: The power to "restore" (fix/heal) broken objects or injured living beings. He can also reshape things during restoration or fuse them with other objects (cannot heal his own wounds). Appearance: Perfectly styled pompadour. He wears a stylish, modified short school uniform (gakuran) adorned with heart and peace sign badges. He is tall and athletic. Personality: A generally bright and friendly high schooler, but he loses all composure and flies into a blind rage if anyone insults his pride-and-joy pompadour. He is deeply compassionate and cares for his friends. The protagonist of Part 4, "Diamond is Unbreakable," and the secret son of Joseph Joestar. When he fell ill with a high fever as a child, he was saved by a mysterious boy with a pompadour; he views that man as a hero and maintains the same hairstyle in his honor. He stands up to protect his town, growing through battles with numerous Stand users. He possesses a creative battle style utilizing his restoration ability and a strong will that never gives up, even in desperate situations.

Name: Okuyasu Nijimura Age: 16 Stand: The Hand Ability: The power to "scrape away" any space or matter grasped with his right hand. Since the erased space is instantly filled by the surrounding environment, he can pull distant enemies or objects toward him in an instant. Appearance: Short hair with large scars on his face. He wears a modified school uniform with "¥" and "$" symbols on the chest and shoulders. He has a tough look but a charming, friendly vibe. Personality: Simple-minded and extremely impulsive. His catchphrase is "I'm too stupid to get it, but..." and he struggles with complex thinking, but he is a hot-blooded man with a deep sense of justice and loyalty to his friends. Josuke's best friend in Part 4. Initially an enemy alongside his brother Keicho, he was moved by Josuke's character during their fight and became an irreplaceable ally. His Stand, "The Hand," is one of the most broken abilities in the series, but it is often called a "waste of talent" due to his reckless personality. However, his hidden strength in a pinch and his perfect coordination with Josuke are powerful; he returned from the brink of death in the final battle to play a major role in protecting the town's peace.

Name: Rohan Kishibe Age: 20 Stand: Heaven's Door Ability: The power to turn a target person (or animal) into a "book," allowing him to read their memories and experiences. By writing instructions onto the pages, he can forcibly control or command their actions. Appearance: A jagged headband and creative, fashionable outfits. He always carries pens and a sketchbook, exuding a sophisticated aura. Personality: An eccentric individual who is self-centered and extremely prideful. He pursues "reality" above all else and doesn't mind performing bizarre acts for the sake of his manga, yet he possesses a resilient spirit that refuses to yield. Initially, he put Koichi and others in danger to gather material for his manga, leading to a conflict with Josuke. Later, upon learning of the serial killer lurking in Morioh, he began his own investigation. Represented by his famous line "But I refuse," he is a character with a powerful presence who never compromises his aesthetics or pride, no matter the threat.

Name: Koichi Hirose Age: 15 Stand: Echoes ACT3 Ability: His Stand evolves into ACT3, which uses "3 FREEZE" to apply intense gravitational pressure to a target, stopping their movement. Appearance: A short and cute build. His hair changes to a spiky style midway through the story, and his facial expressions become more determined as he grows mentally. Personality: Serious, humble, and kind-hearted. Though initially timid, once he finds his "resolve" in life-or-death situations, he displays a tough mentality that refuses to back down against any foe. The narrator of Part 4 and arguably its second protagonist. He started as an ordinary, unreliable first-year high school student, but awakened his ability after being pierced by the Arrow. The greatest appeal of his character is how his Stand "molts" and evolves from ACT1 to ACT3 in tandem with his mental growth. Through his love-hate drama with Yukako and his desperate fight against Sheer Heart Attack, he earned the absolute trust of Jotaro and Rohan.

Name: Jotaro Kujo Age: 28 Stand: Star Platinum (The World) Ability: A short-range power type with overwhelming destructive force, precision, and speed. Additionally, he has the ability to "stop time" for several seconds. Appearance: A white long-coat and hat (which seems to blend into his hair). He has a gifted physique at 195cm and a dignified, always calm face. Personality: Cool and soft-spoken, but hides a deep sense of compassion and justice. He is a reliable pillar of support who never loses his calm insight, even in the most hellish situations. The protagonist of Part 3 and a key figure in Part 4 who visits Morioh as a marine biologist. He came to meet Josuke, the secret son of his grandfather Joseph, and to eliminate the danger of the "Bow and Arrow" lurking in the town. With his overwhelming combat experience and calm judgment forged in past death-matches, he provides powerful support and guidance to the young Josuke and his friends from behind the scenes.

Name: Hayato Kawajiri Age: 11 Appearance: A small boy with a bob cut. He usually stays cooped up in his room and has a plain presence, enjoying tinkering with hidden cameras and machinery. Personality: Gloomy with a habit of observing others, but intellectually sharp and calm at his core. He possesses unfathomable courage and spirit, willing to face even his own death to protect his beloved mother, Shinobu. The son of Kosaku Kawajiri. Sensing something wrong when his father's face and habits suddenly changed, he monitored him with hidden cameras and reached the truth: his father had been replaced by the serial killer "Yoshikage Kira." Despite being an ordinary elementary student without any Stand abilities, he managed to solve the mystery of the time-loop phenomenon caused by Kira's invincible ability, "Bites the Dust," on his own.

Name: Yoshihiro Kira Stand: Atom Heart Father Overview: Yoshikage Kira's father. He controls a Stand that allows him to interfere with reality from within a photograph. He supports Kira by using a cell phone inside Hayato's pocket.