Martyn KAYZ is a Ugandan RnB artiste born in masaka. Studied at St Charles Lwanga SS kasasa masaka. The second child in the family of Kayiwa Thomas and Nabukenya Angel. He started his music career in 2010 in  senior Two. He was named KAYZ by his classmates because his performances that where so entertaining just like the American Famous rapper JayZ. He is under NavyMan Town music Label signed under Jay Records in Kampala.