McDonald's original hamburger mascot introduced in 1948 was named Speedee.
Speedee represented the McDonald brothers' focus on fast service when they reorganized their San Bernardino restaurant in 1948. The restaurant introduced a simplified menu and a production-line system designed to serve hamburgers, fries, and drinks quickly.
The mascot was depicted as a chef-like figure and was associated with the restaurant's early speed-service identity. The name connected directly to the promise of rapid preparation, which was central to the McDonald brothers' operating model.
Speedee is sometimes confused with later McDonald's characters, especially Ronald McDonald and the Hamburglar. Ronald became the best-known public mascot, while the Hamburglar was introduced much later as part of a group of fictional characters. Speedee belongs to the chain's earliest branding period, before Ray Kroc's national expansion.