Jack in the Box is a fast-food restaurant chain known for its diverse menu, which includes burgers, tacos, and breakfast items. Founded in 1951 in San Diego, California, it has grown to over 2,200 locations across the United States. The restaurant is recognized for its unique advertising character, a clown named Jack, who often features in commercials. The chain is notable for its 24-hour service at many locations, catering to late-night diners. Jack in the Box also offers drive-thru service, making it convenient for customers on the go. The restaurant frequently introduces new menu items and limited-time offers to attract a wide range of customers.