Matthew "Slim" Moon is an American musician and the founder of the American independent music label Kill Rock Stars (KRS). He also started its sister label, 5 Rue Christine. Moon ran KRS from 1991 to 2006, during which time KRS released albums by dozens of artists including Sleater-Kinney, Elliott Smith, the Decemberists, Miranda July, Bikini Kill, Unwound, Huggy Bear, Gossip, and Linda Perry. He was also the co-founding vocalist of Earth, and is associated with the acts Lush and Witchy Poo.