Mac Tonight was the McDonald’s character who promoted late-night dining in the 1980s.
The character was introduced in 1986 as part of a campaign encouraging customers to visit McDonald’s during evening hours. Mac Tonight wore sunglasses and had a crescent-moon head, giving the campaign a distinctive nighttime visual identity.
His advertising was closely associated with a version of the song “Mack the Knife,” which was rewritten as “Mac Tonight.” The campaign became especially memorable because its visual design and music differed from McDonald’s more familiar family-oriented characters.
Mac Tonight is sometimes confused with a permanent mascot. He was primarily a promotional advertising character tied to an evening-sales campaign, rather than a lasting member of the McDonaldland cast.