McDonald's first restaurant mascot before the Golden Arches dominated its branding was Speedee.
Speedee appeared in the earliest McDonald's visual identity, when the business was promoting a streamlined preparation system rather than a broad character universe. The mascot wore a chef's outfit and had a hamburger-like head, making him a direct visual shorthand for fast food and quick service.
The Golden Arches eventually became the company's dominant symbol because they could identify the entire business in a simple, highly visible form. Speedee did not vanish instantly, but his role became less important as McDonald's signs, packaging, and advertising increasingly centered on the arches and later on Ronald McDonald.
This history explains why Speedee is sometimes overlooked. Modern audiences usually associate McDonald's with the arches, but the earliest mascot reflected the company's original operational promise: standardized food served quickly.