Conversation so far:
Where do we trace Betty Boop's origin?
Betty Boop made her first appearance on August 9, 1930, in the cartoon Dizzy Dishes, the seventh installment in Fleischer's Talkartoon series.
Who was the originator of Betty Boop?
Betty Boop is an animated cartoon character created by Max Fleischer.

Question: Who else helped progress betty?
Self-contained rewrite: Who else besides Max Fleischer helped progress Betty Boop?