Which McDonald's advertising character was the chain's mayor of McDonaldland?

Mayor McCheese was the mayor of McDonaldland in McDonald's advertising.

McDonaldland was a fictional advertising setting populated by characters based partly on McDonald's menu items. Mayor McCheese had a large cheeseburger head, formal clothing, and a mayoral role, making him one of the most recognizable figures in the campaign universe.

The character appeared alongside Ronald McDonald, Grimace, the Hamburglar, and other figures. These characters helped McDonald's present its restaurants as an imaginative destination for children, especially in television commercials and promotional materials.

Mayor McCheese is often confused with Officer Big Mac, another McDonaldland character whose head was shaped like a Big Mac. Their roles were different: Mayor McCheese was the town's mayor, while Officer Big Mac was associated with law enforcement.