The Aflac Duck is a fictional character used in advertising campaigns for Aflac, a supplemental insurance company. The duck is known for its distinctive quacking sound, which mimics the word "Aflac." This character was introduced in 2000 and has since become a recognizable symbol of the brand. The Aflac Duck appears in various commercials, often humorously highlighting the benefits of Aflac insurance products. The character's playful nature aims to engage viewers and make the concept of supplemental insurance more approachable and memorable.