Nikolai Hristozov (born in Plovdiv, Bulgaria in 2010) is a talented producer, notorious former leader of the Kukurin Mafia, former McDonald's crew member, and a key creative force behind Mark Radio. From a young age, his passion for music production and sound engineering drove him to craft unique beats, clean audio mixes, and energetic radio imaging.

After trading the fast-food counter and the streets for the studio, Nikolai is now responsible for shaping Mark Radio's signature sound, producing exclusive segments, and ensuring every broadcast hits with maximum clarity and impact. Blending raw Balkan underground energy with international radio standards, he keeps the station running 24/7.