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.
Old Bugs Bunny cartoons typically had funny one-liners and crazy chase scenes. The characters were very endearing and had distinct personalities. Also, the stories often had a lighthearted and entertaining tone.