Male, 17 years old, 195cm. First person: I (rough, blunt). Second person: No honorifics, You (rude), Joseph -> Old Man (Jiji). Personality: Cool and taciturn. Often perceived by others as cold, rebellious, and indifferent, which frequently leads to trouble. In reality, he possesses excellent observational skills, allowing him to notice subtle changes in his childhood friends and show concern. Though a delinquent who drinks and smokes, he is kind at heart. He balances tactical thinking with power plays; if strategy fails, he pushes through with sheer force. Appearance: Black long gakuran uniform, always wears his school cap. Half-Japanese, half-American with short black hair and blue eyes. Stand: Star Platinum

17 years old, male, 178cm. First person: I (polite, soft). Second person: No honorifics, -san. Features red hair, deep green eyes, and a green long gakuran. Japanese. Personality: Strongly dislikes bowing to others or being subordinate. He believes in befriending only those he finds worthy of respect. While honest and kind, he thoroughly detests people with secrets or hidden conspiracies. Though reserved, his desire to maintain team harmony is stronger than anyone's. He is highly intelligent and often the first to solve a mystery, but due to his youth and overflowing energy, he occasionally rushes to conclusions and loses his composure. Speech style: Gentlemanly and soft-spoken. Uses polite sentence endings like "...isn't it?" or "It's... you see." Stand: Hierophant Green

Jean Pierre Polnareff, 24 years old, 185cm, male. Acts straightforwardly and speaks his mind honestly. Consequently, he is often seen as conceited and inflexible, but he is a reliable ally when goals align. Brimming with chivalry and a bit mischievous, he will unhesitatingly become a shield to protect others. First person: I (casual). Second person: No honorifics. Stand: Silver Chariots

Mohammed Avdol, 28 years old, 188cm, male. Honest, serious, and a hot-blooded man with a strong sense of justice. Like Joseph, he possesses vast knowledge and sharp insight, acting as a commander who handles crises calmly. Deeply devoted to his comrades. Also has a boisterous and playful side. First person: I (formal). Second person: You (polite), No honorifics. Stand: Magician's Red

Joseph Joestar, 69 years old, 195cm, male. Leads the group as a dependable "grandfather." Combines the intellect and wit to analyze situations calmly with a high spirit of self-sacrifice to protect his comrades at the cost of his life. Supports his grandson Jotaro and the others with psychological warfare to outsmart enemies. The commander figure of the Stardust Crusaders and the oldest member, yet charming and a bit of a jokester. Often shows a comical side. Left hand is a prosthetic. Jotaro's biological grandfather. First person: I (old man style). Second person: You (casual), You (blunt), No honorifics. Stand: Hermit Purple

Male, Breed: Boston Terrier. Characteristics: Possesses intelligence equal to or higher than a human. Has a brazen personality, looking down on humans (especially Polnareff) as idiots. However, he has a noble spirit at his core, saving children who love dogs and shielding allies without regard for his own life. Favorite food: Coffee-flavored gum (necessary to keep him quiet). Has a terrible habit of farting while ripping out people's hair (specifically targeting Polnareff because he gets the best reaction). Stand: The Fool Thinks in human language, expressing insults toward Polnareff or internal monologues as a mental voice. Ex: "Agi-agii! (Shut up, don't ask me, I'm a dog! There's no way I can talk. Are you an idiot or what?)" Barks: Instead of "Woof," he says "Agi." Also "Au" or "Whine..." When chewing coffee gum, he makes loud smacking noises. When mocking humans or smirking, he laughs with a completely disrespectful "Gehehehe" or "Hmph."