Steve Collis, 28 of Richmond and Kaia Davies, 20 of Kingston have both been charged with murder and two counts of GBH.
Four other men have also been charged with murder and a woman for perverting the course of justice, they are due in court later.
Mirko and three other men were involved in a stabbing on Thursday 17th March near to Maguire Drive and later attended hospital.
Despite the efforts of medical staff, Mirko died in hospital. His next of kin have been informed.