Mac Tonight was the moon-themed McDonald’s character featured in a major 1986 advertising campaign. He was portrayed as a smiling crescent moon wearing sunglasses and a tuxedo, often singing while playing piano.
The campaign targeted adults, especially evening customers, and used a rewritten version of Bobby Darin’s “Mack the Knife.” Mac Tonight’s name played on the song title while also suggesting that McDonald’s was a place to visit at night. The character gave the brand a distinctive musical and visual identity.
Mac Tonight became especially recognizable through television commercials and promotional appearances. His design was separate from the McDonaldland characters, which were generally aimed at creating a fantasy world around the restaurant’s food and mascots.
The campaign also produced a legal dispute with Bobby Darin’s estate over the advertising adaptation of “Mack the Knife.” McDonald’s eventually stopped using the campaign in the United States. Mac Tonight therefore remains a notable but time-limited chapter in McDonald’s branding history.