Piotr Marzec (born August 12, 1971 in Busko Zdrój, Poland), better known as Liroy (Leeroy), is a rapper living in Kielce. He is one of the pioneers of rap and hip-hop culture in Poland. His CDs include East On Da Mic (as PM Cool Lee), Albóóm, Bafangoo Part 1, L, Bafangoo Part 2 (Dzień Szaka-La), Bestseller and L-Nińo vol. 1.