Ajs Nigrutin (born Vladan Aksentijević, Serbian Cyrillic: Владан Аксентијевић, on August 12, 1977 in Belgrade, Serbia, SFR Yugoslavia) is a Serbian rapper. Also known under a variety of aliases including Ajzak, Čavo Ledeni, Ajzaklija Stomaklija, etc., he is best known for being a member of Bad Copy hip-hop trio as well as his solo work. Standing over two meters in height he used to be an aspiring basketball player. His role model is Redman and he lives in the Belgrade suburb of Kotež.