No villain in Batman's rogues' gallery rivals the Clown Prince of Crime in malevolence. The Joker has held the top position among Batman's enemies almost since his first appearance. Beyond his iconic look, his notoriety stems from merciless acts committed to dominate Gotham, mock its protector, or satisfy his own sadistic pleasure.
The Joker's darkest portrayal arguably appears in the 1988 graphic novel Batman: The Killing Joke, created by writer Alan Moore and artist Brian Bolland. This one-shot delves into his tragic origins and is so disturbing that its 2016 animated adaptation was the first R-rated DC movie.
The comic’s most chilling moment features the Joker escaping custody and shooting Barbara Gordon, leaving her paralyzed from the waist down.
This cruel act was designed to drive her father, Commissioner James Gordon, into madness. Although the plan nearly succeeded, Barbara survived and later became Batman's tech support known as Oracle.
"The Joker has earned his reputation as the Dark Knight's archnemesis by committing countless acts of unspeakable evil."
His deeds have been showcased in iconic superhero films, television, and the DC Comics pages, reinforcing his standing as Batman’s most sinister foe.
Author’s summary: The Joker remains Batman’s deadliest villain through his merciless crimes, psychological torment, and enduring impact on Gotham’s heroes.