Timothy O'Neal Mills (born February 23, 1994), better known by his stage names Black Kray and Sickboyrari, is an American rapper, producer, and songwriter known for his influence on the cloud rap, emo rap, and tread genres. He is a founding member of the hip-hop collective and label Goth Money Records and an early member of Raider Klan. Mills has collaborated with many similar artists, including SpaceGhostPurrp, Working on Dying, Lil Yachty, F1LTHY, Metro Boomin, Thouxanbanfauni, Bladee, Yung Lean, TeamSESH, Thraxxhouse, City Morgue, Sematary, G59 Records, Chxpo, DJ Kenn, and DJ Smokey.