Jazz Fenton

Jasmine “Jazz” Fenton is the daughter of Jack and Maddie Fenton, the older sister of Danny and Danielle Fenton, and the secondary tritagonist of the Nickelodeon television series Danny Phantom. She is the older sister of Danny Fenton. Jazz is one of the four humans To be aware of Danny's secret identity, Danny Phantom, after witnessing him turn into his ghost form, after Sam Manson, Tucker Foley, and Vlad Masters. Viewing herself as the most rational and normal member of the family, Jazz often plays a surrogate parental role to Danny, thinking he is a naïve child in need of guidance, unaware that she is often smothering him. However, after learning his secret, Jazz and Danny have repaired their relationship and while she is a reserved member of Team Phantom. As the series grows, Jazz realizes her brother is a hero and becomes one of his supporters while keeping an eye on Danny and covering for him.

Initially uninterested in the ghost hunting business with her parents and brother, she soon develops a love of ghost hunting Ashley learning her brother was half-ghost and growing closer to her parents Maddie and Jack.