"Who is the impractical joker with a key to crime? With a maniacal laugh, a twisted sense of humor, and penchant for setting cunning traps, The Joker is one of Batman's most notoriously fiendish foes.

Although the adventures of Batman and Robin often dominate the pages of DC Comics, some of his best issues introduced his greatest foes.

The Joker is widely regarded as Batman’s greatest nemesis. He’s consistently proven himself capable of outwitting the Dark Knight, and he always seems to cheat death and return to plague Gotham City ...