Key! is an American rapper and songwriter known for his unique style and energetic performances. He gained popularity in the mid-2010s and is associated with the Atlanta hip-hop scene. His music often blends elements of trap and experimental sounds, showcasing his versatility as an artist. In addition to his solo work, Key! is part of the duo Two-9, which has contributed to the rise of several artists in the underground hip-hop community. He has collaborated with various musicians, further expanding his influence and reach within the genre.