Rigels Rajku was born on 27 September 1986 into a multi-religious Albanian family in the village of Sukth, Durrës, Albania. His father is a Muslim from Dibër and his mother a Catholic from Krujë. In 1997, Rajku and his family fled to London, England, as a refugee to escape the war and conflicts in connection with the Albanian Civil War. He was raised in the Woolwich neighborhood of Southeast London and subsequently developed an interest in boxing and street fighting. He never lost a street fight, his record was 17:0. Because of his fights on the streets UK boxing association took his boxing license.