Sandy Olsson

Sandy Olsson (known as Sandy Dumbrowski in the musical) is the girlfriend of Danny Zuko and the female protagonist of the musical Grease and it's 1978 film adaption.

Sandy was originally from Australia and was visiting America with her parents in the summer of 1959 and met and fell in love with Danny. Her parents decided to stay in America and Sandy ended enrolling at the same school as Danny but wasn't happy that he kept using his bad boy attitude at her when with his friends. Eventually Sandy in order to impress him decides to ditch her sweet look and act more bad girl which succeeds and they start a relationship.

In the film she is played by Olivia Newton John.