Who Knew? A Cincinnati man invented a fish sandwich to save his floundering McDonald's franchise

CINCINNATI - The Tri-State is home to many fascinating facts, offbeat oddities, and "I did not know that," moments. With that in mind, we introduce this new weekly feature. 

Ever heard of the Hula Burger? There's a reason it's not on the McDonald's menu and a reason why the Filet-o-Fish remains a standby at the nation's most popular fast food chain.

Become a WCPO Insider to learn more about the man behind the sandwich, and how he beat founder Ray Kroc at his own game. Plus, find out how you can submit an idea for "Who Knew?"

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