What phrase did McDonald’s use in its 1980s “Mac Tonight” advertising campaign?

McDonald’s used the phrase “It’s Mac Tonight” in its 1980s “Mac Tonight” advertising campaign.

Mac Tonight was a moon-headed character created to promote McDonald’s evening business. The advertisements featured a character in a tuxedo and sunglasses singing a parody of “Mack the Knife,” with the message focused on dinner and late-night visits rather than breakfast or lunch.

The character and slogan are often confused with McDonald’s other fictional mascots. Mac Tonight was a distinct 1980s advertising creation, while Grimace, Hamburglar, and Ronald McDonald belonged to the broader McDonaldland character world.

The campaign helped McDonald’s give nighttime dining a separate identity. Its visual style, musical parody, and repeated “It’s Mac Tonight” line made the campaign notably different from straightforward product advertising.