JoJo's Bizarre Adventure part 3: Stardust Crusaders

Jotaro Kujo is the protagonist of Stardust Crusaders. He appears prominently in Diamond is Unbreakable and briefly in Golden Wind. Jotaro is the third and most recurring JoJo of the JoJo's Bizarre Adventure series.

Jotaro is a biracial (half-Japanese) delinquent who lives an ordinary life until the Joestar Family's old enemy, DIO, returns. Seeing his mother Holy falling ill because of DIO, and heeding his grandfather Joseph Joestar's call, Jotaro travels to Egypt in order to save his mother and stop the Vampire once and for all.

Wielding the incredibly powerful Star Platinum, Jotaro is the first JoJo introduced with a Stand, and is among the most well-known characters of the series.

Stand name: STAR PLATINUM

Power: A     Speed: A     Range: C     Staying: A     Precision: A     Development: A

Joseph Joestar is the main protagonist of Battle Tendency, a core ally in Stardust Crusaders, and a supporting character in Diamond is Unbreakable. As the grandson of Jonathan Joestar, he is the second to be named JoJo of the JoJo's Bizarre Adventure series.

Joseph is a natural-born Hamon user and eventual Stand User, wielding the psychic photographic Stand, Hermit Purple. An exuberant trickster, Joseph meets the fantastic threats approaching him throughout his life with initiative and impressive ingenuity, battling Vampires, the Pillar Men, and malevolent Stand users.

Stand name: HERMIT PURPLE

Power: D     Speed: C     Range: D     Staying: A     Precision: D     Development: E

Muhammad Avdol is a core ally in Stardust Crusaders.

Introduced as an Egyptian friend of Joseph Joestar, he joins the group on their journey to defeat DIO, providing knowledge and guidance about enemy Stand Users and local cultures along the way. Avdol is a Stand User and wields the fire manipulating Stand, Magician's Red.

Stand name: MAGICIAN'S RED

Power: B     Speed: B     Range: C     Staying: B     Precision: C     Development: D

Noriaki Kakyoin is a core ally in Stardust Crusaders.

Kakyoin is a Japanese student who was brainwashed by DIO during an earlier trip to Egypt and is sent to kill Jotaro Kujo. After being freed from DIO's influence, he decides to join Jotaro on his quest to Egypt to save Jotaro's mother and find redemption. Kakyoin is a Stand User and wields the long-ranged Hierophant Green.

Stand name: HEIROPHANT GREEN

Power: C     Speed: B     Range: A     Staying: B     Precision: C     Development: D

Jean Pierre Polnareff is a core ally in Stardust Crusaders. He reappears in Golden Wind as a side character and ally.

In Stardust Crusaders, the Frenchman Polnareff travels with Jotaro and Joseph to avenge his sister, who was murdered by a man with two right hands. In Golden Wind, Polnareff reappears to aid the rebellious Team Bucciarati in their quest to defeat the Boss of Italian gang Passione.
Polnareff is a Stand User and wields Silver Chariot.

Stand name: SILVER CHARIOT

Power: C     Speed: A     Range: C     Staying: B     Precision: B     Development: C

Iggy is a core ally who appears in the second half of Stardust Crusaders.

An urban mutt from the streets of New York, Iggy begrudgingly aids the protagonists on their final expedition to Cairo, Egypt to defeat DIO. Iggy is a Stand User who wields The Fool.

Stand name: THE FOOL

Power: B     Speed: C     Range: D     Staying: C     Precision: D     Development: C

Holy Kujo née Joestar, is a minor character appearing in Stardust Crusaders. Daughter of Joseph Joestar and mother of Jotaro Kujo, she is afflicted by DIO's return and it is for her that Jotaro departs to Egypt fighting DIO.

As a foreigner living in Japan, Holy has acclimated herself well to her new country. One man has noted that she speaks Japanese very well and she also has given herself a Japanese name, Seiko, which is derived from her name and means "holy child".

She develops a stand at the beginning of Stardust Crusaders, but the stand starts killing her slowly insead of being helpful.

Stand name is unknown

Power: X     Speed: X     Range: X     Staying: X     Precision: X     Development: X

Dio Brando, known simply as DIO from Part 3 onwards, is the main antagonist of both Phantom Blood and Stardust Crusaders.

Originally a man of low birth but peerless ambition, Dio is a villain of little conscience, vast cunning, and an insatiable hunger for power. After becoming a vampire and later a Stand user, Dio has gathered around him many minions and is responsible for many major events of the series, from the death of Jonathan Joestar to the Joestar Family's sudden acquisition of Stand power, and his legacy persists throughout the series.

DIO is the father of Giorno Giovanna, the protagonist of Golden Wind, as well as a handful of other illegitimate offspring.

Stand name: THE WORLD

Power: A     Speed: A     Range: C     Staying: A     Precision: B     Development: B