“Sharky the Friendly Megalodon” (a ChatGBT story):

In the depths of the ocean, there lived a remarkable shark named Sharky who had an unusual but essential mission: fighting dental neglect among marine creatures.

Sharkey (his tooth, above) had one essential mission: fighting dental neglect among marine creatures.

With a sparkling toothbrush in his fin, Sharky patrolled the coral reefs, offering tooth-brushing lessons to his fellow underwater inhabitants.