Olivia is a character who first appeared in Episode XXVIII: Jack and the Rave as a brainwashed slave of Aku.
Olivia was the daughter of an innkeeper who was brainwashed with rave music by a minion of Aku, DJ Stylbator, into committing crimes for him as a teenager. Her father continuously tried talking to her to no avail. She was eventually freed by Jack from DJ Styvador's after he defeated him in battle and destroyed his brainwashing equipment.
After 50 years, an aged Olivia now takes the role of DJ and leads the new generation of teenagers to pay respect to him for freeing her and the others as well as rebelling against Aku through music. It is also revealed that she takes Jack's dance move as a primary music dance for her music.