What moon-headed character starred in McDonald’s late-1980s advertising?

Mac Tonight was the moon-headed character who starred in McDonald’s late-1980s advertising.

The character appeared in a campaign promoting McDonald’s evening business. Mac Tonight wore sunglasses and sang a version of “Mack the Knife,” creating a distinctive lounge-singer style that separated the campaign from McDonaldland’s child-focused fantasy characters.

The campaign began in 1986 and became especially recognizable because of Mac Tonight’s crescent-moon head and black-tie appearance. The character was used primarily in advertising rather than as a permanent member of the classic McDonaldland cast.

Mac Tonight is often confused with moon imagery from unrelated brands or with McDonald’s standard nighttime advertising. His defining feature is the literal crescent-moon head combined with the musical campaign concept.