Mac Tonight was McDonald’s nighttime advertising character introduced in 1986.
The campaign presented Mac Tonight as a moon-headed, sunglasses-wearing singer who promoted McDonald’s evening business. His visual identity was built around a polished lounge-singer style rather than the child-focused world of Ronald McDonald.
Mac Tonight’s commercials used a rewritten version of the song “Mack the Knife,” performed with the lyric “Mac Tonight.” The campaign became strongly associated with McDonald’s late-1980s branding.
Mac Tonight is distinct from the company’s permanent restaurant mascots. He was created for a specific promotional campaign and became especially recognizable because of the crescent-moon head and piano-playing performance style.