KoopstaRobert Cooper Phillips, known professionally as  Koopsta Knicca, has made his transition at the age of 40. He was best known as one of the original members of the Memphis rap group Three 6 Mafia, as well as a member of the rap collective Da Mafia 6ix alongside DJPaul and Crunchy Black. He passed away early Friday morning following complications from a stroke he suffered last weekend.