Sherry Polnareff

Sherry Polnareff (シェリー・ポルナレフ) is Jean Pierre Polnareff's deceased younger sister that appears in Stardust Crusaders.

History
Sherry was raped and murdered by J. Geil, leading to Polnareff's desire to seek her killer to exact revenge. She seemed to have gotten along well with her brother, as he frequently carries her picture with him.

Stardust Crusaders (1987)
Eventually, Sherry's brother manages to avenge her by battling and ultimately killing J. Geil. Later, Polnareff asks Judgement to revive her after the Stand grants him a wish. Instead, the Stand manifests a golem that looks and sounds exactly like her, but attacks Polnareff when he lets his guard down and gets close enough. The golem is ultimately destroyed when Judgement throws it at Magician's Red as a diversionary tactic.

Trivia

 * In the manga, Sherry only appears in Polnareff's flashback, and later in a photo. In the anime, she is seen wearing her school uniform.