The moon-faced mascot in McDonald’s 1986 campaign was named Mac Tonight.
Mac Tonight was a character with a crescent-moon head, dark sunglasses, and a tuxedo. He appeared in television commercials promoting McDonald’s as an evening destination. The campaign used a rewritten version of “Mack the Knife,” changing the name in the song to “Mac Tonight” and connecting the restaurant with nighttime dining.
The character was designed for a specific advertising period rather than as a permanent member of the original McDonaldland cast. That distinction explains why Mac Tonight is sometimes incorrectly grouped with the Hamburglar, Grimace, or Mayor McCheese.
The campaign became especially memorable because the visual design was instantly recognizable and the song created a strong audio identity. McDonald’s later faced a legal dispute involving the use of the “Mack the Knife” melody, but the character remains a notable example of product branding built around music, costume, and a distinctive mascot.