The cause of his death is currently unknown.
Costa Tsobanoglou, better known as Costa Titch, reportedly has a history of epilepsy, a disease that affects the brain and causes seizures.
Tributes have since poured in on social media, with EFF leader Julius Malema tweeting the late rapper’s name followed by heart emojis.
He is a rising artist from Mbombela, in Mpumalanga. His most successful single, “Big Flexa”, has received over 45 million views on YouTube, and a remix featuring US artist Akon was recently released.