Jack is the mascot of Jack in the Box. He has had several incarnations over the years.
- The original version of Jack, created in 1951 to ease customers into the then-novel concept of a drive-thru.
- Jack the Clown - The 1970s version of the character and leader of the Jack in the Box Bunch.
- Jack Box - The current version of the character, reimagined in 1994 as a no-nonsense businessman.