Jair Lemos, a.k.a. Presidiário or J.L., is a former Brazilian freestyle MC who made a name for himself with his impressive "Gastação" punchline style and aggressive flow. His reputation grew within the underground battling scene, where he was active from 2013 until 2017. Despite his brief career, he managed to make a lasting impression with his unique styles and skills. Many Brazilian battle rap fans continue to remember him as one of the prominent voices within the scene.