The moon-shaped character used in McDonald’s 1980s “Mac Tonight” campaign was named Mac Tonight.
Mac Tonight was a crescent-moon-headed figure dressed in a tuxedo, sunglasses, and a bow tie. He appeared in a musical campaign intended to encourage customers to visit McDonald’s during dinner and later hours. The character’s theatrical appearance made the advertisements easy to distinguish from the company’s more familiar clown and cartoon campaigns.
The campaign’s signature musical element was a rewritten presentation of “Mack the Knife,” whose title supplied the wordplay behind the character’s name. That connection is why Mac Tonight is not simply called “Moon Man” in official campaign history.
The character is also easy to confuse with earlier McDonald’s moon-themed advertising. Mac Tonight specifically refers to the 1986 campaign figure, whose identity combined the McDonald’s “Mac” naming style with a nighttime theme.