Product Features From DC Batman: Arkham Knight, Harley Quinn, as a stylized POP vinyl from Funko! After they arrived in Arkham City, the Joker and Harley Quinn were eager to explore their new stomping grounds. They declared themselves the mayor and mayoress of Arkham City. Reflecting that years had passed since the Penguin banned Joker from the club, they sought out the blue neon lights of the Iceberg Lounge. Harley pounded on . Harley Quinn is a frequent accomplice and lover of the Joker, whom she met while working as a psychiatrist at Gotham City's Arkham Asylum, where the Joker was a patient. Her name is a play on the name "Harlequin", a character which originated in the commedia dell'arte.