Joker is the super villain of the American DC Comics and the number one enemy of Batman. His real name and life experience are still a mystery. He debuted in Batman (June 1940). . Here's a list of other features you'll get: - To-do list - Set your favorite wallpapers - Discover new hot spots - Bookmarks - Social network notifications - High quality wallpaper for each new label - Clock showing date and time - Weather widget - Open to search