Which McDonald's mascot became the central figure of the McDonaldland advertising world?

Ronald McDonald became the central figure of McDonaldland advertising.

McDonaldland was a fictional world created for McDonald's advertising in the early 1970s. It included character versions of menu items and playful figures such as the Hamburglar, Grimace, and Mayor McCheese. Ronald McDonald served as the human-like host who connected these characters with the restaurant brand.

The campaign extended McDonald's identity beyond the Golden Arches and individual products. Television commercials, promotional materials, and licensed merchandise presented the restaurants as part of a colorful fantasy world aimed especially at children and families.

The other choices were also McDonald's characters, which makes this branding history easy to mix up. Speedee was the earlier chef mascot, while the Hamburglar and Mayor McCheese were supporting McDonaldland figures. Ronald's role was broader: he was the principal mascot and the recurring public face of the campaign.