Jenny is a heroine in the 2003 animated film, Barbie of Swan Lake. She is a merry elf who lives in the Enchanted Forest. She has joined her friends on an attempt to stop Rothbart, but was changed into a mouse in the process. While she is changed back into a human from sunset to dawn along with the rest of her friends. In the end, she is freed from the spell and is last seen dancing with her friend Marisa.
As a mouse, Jenny is small with brown fur and black eyes. As a girl she has fair skin, blue eyes and auburn hair. She wears a pink dress with a black bow tied around it and black shoes. In addition to the spell she grew a pair of ears and a tail as a human. After Rothbart was defeated both her ears and tail disappear.
Jenny is played by Kerstie, a character from the Barbie doll line who was one of Kelly's friends.