Smiso Zwane (born Smiso Brian Mkhasibe; 27 July 1983), commonly known by his stage name Okmalumkoolkat (sometimes stylized as OkMalumKoolKat) is a South African rapper and half of the rap/electronic duo Dirty Paraffin from Umlazi Township in Durban. Smiso Zwane is known for singles such as "Mswenkofontein" featuring $tilo Magolide & uSanele.