Speedee was McDonald's first mascot, introduced in 1948 as part of its early branding.
Speedee was depicted as a chef-like figure and represented the restaurant's Speedee Service System. That system was created when the McDonald brothers reorganized their operation around fast, standardized preparation and a limited menu.
The mascot's name emphasized speed, which was central to the brothers' business model and to the restaurant's early identity. Speedee appeared in signage and promotional material before Ronald McDonald became the company's better-known family character.
Speedee is often confused with later McDonald's mascots, especially the Hamburglar and Grimace. Those characters belong to a later advertising era. Speedee is historically significant because he connected the company's earliest mascot branding directly to its service system.