The name is Costa Micheal (born on October 22, 1991), better known by his stage name K mAc, is an African Rapper from Republic of South Sudan, his first appear was in 2008 (Wapi Sudan Show) in Khartoum as member of Thugz Brotherz Crew, after produce an album (We The Best in K City) with his crew he sign a record deal with Thugz Recordz Entertainment for year 2010, he produce many hits with T.R.E in Juba. Music is not the only thing on K mAc mind but also as a student at Kampala University doing his degree of electrical engineering 2012.. On 9th July 2012 K mAc set out to prove him self when he performed at Nyakuron culture center in the Independent day of his Country in juba, Soon his hometown radio station(Radio miraya & Radio VOP) started spinning his track (Rabuna Bariku), An artist like K mAc is a breath of a fresh air.