Graggle

Graggle was a fictional character created by Victor Thamesford for his Jenny Everywhere biopic. In order to appeal to children, he added the character to serve as a plucky sidekick for Jenny. (PROSE: The Shifter Chronicles)

Behind the scenes

Graggle is a joke character that originated in the Simpsons fandom. He was supposedly part of the series in its early years before being retconned out of existence.