Jem and the Holograms: Kimber Benton (classic 80's cartoon), part 1 of 3

 Kimber is Jerrica's younger sister and the youngest member of the Holograms.  She is the bands main songwriter as well as the keyboardist.  Kimber can be a bit immature and have extreme emotions, occasionally running away.  She also had several boyfriends throughout the series and was briefly engaged to stuntman Jeff Write.  Kimber managed to strike up a friendship with Stormer that led to the two releasing an album.