The Riddler, whose real name is Edward Nygma (variously spelled Nigma or Nashton across continuities), is a supervillain in DC Comics renowned for his obsession with riddles, puzzles, and intellectual challenges. Created by writer Bill Finger and artist Dick Sprang, the character first appeared in Detective Comics #140 in October 1948. In his debut story, Nygma is portrayed as a former cheat who turns to crime, leaving cryptic clues that compel Batman and Robin to solve them, driven by a need to demonstrate his superior intellect over the Dark Knight.
Initially appearing in only a handful of Golden Age stories, the Riddler faded from prominence until the 1960s, when his popularity surged due to Frank Gorshin's memorable portrayal in the Batman television series. This exposure prompted his return to the comics, solidifying his status among Batman's iconic rogues gallery. Characterized by his green suit adorned with question marks, bowler hat, and cane, the Riddler often suffers from a psychological compulsion to leave riddles at crime scenes, which frequently leads to his downfall despite his genius-level intelligence and strategic prowess.
In modern eras, the Riddler has undergone significant development, evolving into a more nuanced and dangerous antagonist. Key story arcs such as "Batman: Hush" (2002–2003) positioned him as a central mastermind manipulating events against Batman, while "Batman: Zero Year" (2013–2014) depicted him as a catastrophic threat flooding Gotham and outsmarting the city. Recent portrayals have explored themes of redemption, occasionally casting him in anti-hero roles or as a private detective, yet he consistently retains his core traits of arrogance, theatricality, and an unyielding drive to pose unsolvable enigmas.