McDonald's introduced its first restaurant mascot, Speedee, in 1948 as part of the Speedee Service System.
That year marked a major change in the McDonald brothers' restaurant operation. Richard and Maurice McDonald redesigned their San Bernardino, California, restaurant around a limited menu, standardized preparation, and quick counter service. Speedee's chef imagery gave that system a memorable public symbol.
The 1948 date is sometimes confused with later milestones, including Ray Kroc's first McDonald's restaurant in Des Plaines, Illinois, which opened in 1955. It is also separate from the later development of the Golden Arches as a corporate logo.
Speedee's role shows that McDonald's branding began with an operating promise: customers could receive a small range of familiar foods quickly and consistently. The mascot helped communicate that promise before the company adopted the visual language most people associate with McDonald's today.