The Penguin is a fictional character, a supervillain who appears in comic books published by DC Comics. He is known as one of Batman's oldest and most persistent enemies. Artist Bob Kane and writer Bill Finger introduced him in Detective Comics #58 (December 1941). The Penguin is a short, rotund man known for his love of birds and his specialized high-tech umbrellas. A mobster and thief, he fancies himself as being a "gentleman of crime;" his nightclub business provides a cover for criminal activity, which Batman sometimes uses as a source of criminal underworld information. According to Kane the character was inspired from the then advertising mascot of Kool cigarettes – a penguin with a top hat and cane. Finger thought the image of high-society gentlemen in tuxedos was reminiscent of emperor penguins .

Burgess Meredith portrayed the Penguin in the 1960s Batman television series, perhaps the character's most well-known incarnation. Danny DeVito played a darker, more grotesque version in the 1992 film Batman Returns. Subsequent Batman animated series featured him in depictions that alternated between deformed outcast and high-profile aristocrat. The former interpretation appeared in comics, most notably in the miniseries Batman: The Long Halloween and its sequel Dark Victory. He made a cameo appearance at the end of the Long Halloween with no lines. He had a slightly more notable role in Dark Victory – this incarnation included elements of Meredith's interpretation. Paradoxically, the Penguin has repeatedly been named among the worst and best