Place of Origin:
Judgement of the Judoon
Nikki Jupiter was a private detective and briefly a companion of the Tenth Doctor.
When Nikki met The Doctor, she was seventeen. She was investigating the criminal underworld of New Memphis with her father, who was also a private detective. After Nikki stopped the corruption of the underworld, a Judoon called Rok Ma joined her detective agency. (Judgement of the Judoon)