Gotham City is home to some of the most notorious super-villains in the DC Comics universe, including the JOKER and the PENGUIN. The JOKER, with five letters, is a psychopathic criminal mastermind who is known for his green hair, white skin, and maniacal laughter. He is Batman's arch-nemesis and has been featured in numerous comic books, films, and television series. The PENGUIN, with seven letters, is an eccentric criminal mastermind who is known for his monocle, top hat, and umbrella. He is a frequent adversary of Batman and has also been featured in various media.