A bald cartoon with a little beard could be a character that conveys a sense of experience or a laid-back attitude. It all depends on how the artist portrays their personality and actions.
The humor and unique character designs usually make a funny shrimp cartoon appealing. Maybe it's the wacky expressions or the crazy adventures the shrimp goes on.
How about a cartoon of a woman holding a sign that says 'Equal Rights Now!' surrounded by other women supporting her? Or maybe a cartoon of a woman climbing a ladder of success that's been made difficult by gender biases. You could also have a scene where women are given smaller opportunities compared to men, highlighting the injustice.