Iconic antagonists are memorable characters in literature, film, and other media who oppose the protagonist, often embodying conflict and challenge. They are essential to storytelling, as they create tension and drive the narrative forward. Examples include Darth Vader from the Star Wars franchise and Sherlock Holmes's nemesis, Professor Moriarty. These characters often possess distinct traits, motivations, and backstories that make them compelling. Their actions and philosophies frequently reflect deeper themes, such as the struggle between good and evil. Iconic antagonists can evoke a range of emotions, from fear to sympathy, enriching the audience's experience.