Mac Tonight was McDonald's moon-faced character who appeared in advertising from 1986.
Mac Tonight was created for a McDonald's campaign aimed at promoting evening dining. The character wore sunglasses, played a grand piano, and had a crescent-moon head, giving the advertisements a distinctive visual style that differed from the traditional McDonaldland cast.
The campaign used a parody of the song “Mack the Knife,” with new lyrics built around the phrase “Mac Tonight.” Its lounge-music presentation helped the character stand out from ordinary restaurant commercials and made the campaign especially memorable.
Mac Tonight is often confused with Ronald McDonald because both were major McDonald's advertising figures. Their branding roles were different: Ronald represented the broader family-oriented identity, while Mac Tonight was tied specifically to nighttime visits and a more adult-oriented advertising style.