McDonald's has had its share of mascots, but there's one cute cartoon character that you might have missed, and that's Phil.

The first McDonald's Filet-O-Fish was created by a Cincinnati franchisee to serve Catholic customers during Lent.

Today, the McDonald's Filet-O-Fish is a beloved part of the menu, but it's undergone major changes, including a switch away ...

A McDonald's Filet-o-Fish stacked atop its blue box - Robson90/Shutterstock The Filet-O-Fish was the first addition to the ...

A Filet-O-Fish sits on its box - Robson90/Shutterstock For a chain famous for its Big Macs, McNuggets, and ultra-delicious fries, the Filet-O-Fish is a bit of an outlier since it's the only ...

*In 1959, entrepreneur Lou Groen opened the first McDonald’s in the Cincinnati, Ohio area. After working a variety of jobs and eventually becoming president of the Cincinnati Restaurant Group, Groen ...

Even though McDonald's is known worldwide as a hamburger chain, the non-beef options on the menu have become just as famous. Chicken McNuggets, the Egg McMuffin, and the Filet-O-Fish are all iconic ...

The Filet-O-Fish faced a little competition before it became McDonald's official meatless mainstay. The Hula Burger gets new life in Cincinnati.

McDonalds has always been an innovator when it comes to fast food advertising, so we set out to find which Filet-o-Fish commercials were the most enticing.