D12, also known as the Dirty Dozen, is a hip-hop group from Detroit, Michigan. Formed in 1996, the group consists of several members, including Eminem, Proof, and Bizarre. They are known for their unique style, blending humor and dark themes in their lyrics. D12 gained popularity with their debut album, "Devil's Night," released in 2001. The group's name reflects their close-knit friendship and camaraderie, as they often refer to themselves as a "dirty dozen" of artists. D12's music features a mix of solo and collaborative tracks, showcasing each member's individual talents while maintaining a cohesive sound. Their work has contributed significantly to the Detroit hip-hop scene.