Billy is a common name often used for boys. It can be a standalone name or a diminutive form of William. Many people named Billy are known for their friendly and approachable personalities. The name has been popular in various cultures and is often associated with a sense of youthfulness and energy. In popular culture, Billy appears in various forms of media, including movies, books, and songs. For example, Billy the Kid is a famous figure from the American Old West, known as an outlaw and gunfighter. The name has also been used in children's stories, such as Billy Goat Gruff, highlighting its versatility and enduring appeal.