Sean Michael Daley (born September 7, 1972), better known by his stage name Slug or Sep Seven, is an American rapper. He is from Minneapolis, Minnesota. Slug is best known as one half of the hip hop group Atmosphere, which he founded with Derek Turner (Spawn). Turner has since left and Anthony Davis (Ant) produces Atmosphere with Slug. In 1995, Slug, in collaboration with Anthony Davis, Musab Saad, and Brent Sayers founded the Minneapolis based independent hip hop record label Rhymesayers Entertainment.