Themed costumes are outfits designed to fit a specific concept, idea, or event. They are often used during celebrations like Halloween, Carnival, or themed parties, allowing individuals to express creativity and imagination. Common themes include superheroes, historical figures, and fantasy characters. These costumes can be purchased or made at home, and they often include accessories that enhance the overall look. Themed costumes encourage group participation, as friends and families can coordinate their outfits to match a particular theme, creating a fun and cohesive atmosphere during events.