Drekavac (Cyrllic: дрекавац, Serbo-Croatian pronunciation: [drɛkaʋats], literally "the screamer"), also called drek, drekalo, ždrakavac, ždrekavac, zdrekavac, zrikavac, krekavac, cviljek, kukac, vriskavac and deravac is a cryptid in south Slavic lore.