Efemena Mukoro, professionally known as Blackmagic, is a Nigerian rapper, singer, and songwriter.
Blackmagic is a native of Delta State but was born and raised in Lagos.
He attended King's College, Lagos for his secondary education and studied Computer Science at the University of Benin.
Blackmagic dropped out of school in order to pursue his music career and started out under the stage name, Ejay. He was signed to Lynxxx's Syndik8 records in 2010 as a Soul and Afrobeat musician. He went on to release multiple singles and his debut album titled Blackmagic 1.0 in 2011; he gained popularity with his single titled "Confam" which featured Sasha P.
He however came to the limelight following the release of the single, "Repete" in 2013. "Repete" is described as one of the Nigerian songs with the most critical acclaim.
He is considered a pioneer of the Nigerian alternative scene.
He changed his stage name over time to Ejay Blackmagic and to simply Blackmagic upon his exit from Syndik8 records. He went on to launch his own record label, Based on Belief in 2013.