Jack-in-the-Box is a fictional character in the comic book series Astro City. Created by writer Kurt Busiek and artists Brent Anderson and Alex Ross, Jack-in-the-Box is a prominent superhero of Astro City. He is motivated by a powerful desire for justice based on his own family history, with a strong sense of responsibility to society based on his expertise, capabilities and the sheer enjoyment of being a superhero. A conflicting sense of responsibility to his own family, however, combine with reminders of his own mortality to make him question his superheroic mission.