Explaining a Movie on Instagram: "@explainingamovie teaches you something new about movies everyday! In Batman (1989), Jack Nicholson took on the role of the Joker (alias Jack Napier) and delivered a performance that blended affable swagger, theatrical menace, and pop-art flamboyance, remaining a landmark in superhero cinema. In the Burton-era film, the Joker is given the name Jack Napier, a gangster enforcer for crime boss Carl Grissom, who, after a confrontation with Bruce Wayne/Batman, falls