McDonald’s 1950s restaurant mascot shaped like a hamburger-headed chef was Speedee.
Speedee represented the restaurant’s early identity before the company developed its later cast of colorful characters. The mascot’s chef styling connected the character to food preparation, while the name emphasized the fast service promised by the McDonald brothers’ operating system.
The character was used in early signs and promotional material during the period when McDonald’s was still building recognition. This was a different branding era from the one dominated by Ronald McDonald and the later McDonaldland characters.
People sometimes confuse Speedee with the Hamburglar because both belong to McDonald’s mascot history. Their roles were different: Speedee was the original speed-focused emblem, while the Hamburglar was introduced later as a mischievous character associated with hamburgers.