After over a decade on menus, McDonald's debuted Phil A. O'Fish in 1976 to promote the Filet-O-Fish. In the printed ad campaign, Phil is drawn next to a Filet-O-Fish, encouraging customers to try ...

He found it 'delicious.' Source: "Grinding It Out: The Making of McDonald's" But the Filet-O-Fish still had one last hurdle to overcome. Kroc decided that he'd determine the sandwich's fate ...

McDonald's Filet of Fish on top of a paper to-go box on a wooden table. - Robson90/Shutterstock ...