Erfan Hajrasooli (Persian: عرفان حاج رسولی), known professionally as Erfan Paydar (Persian: عرفان پایدار), is an Iranian rapper, songwriter, producer, and label owner. He is one of the pioneers of Persian Rap. Erfan's "Az Khaneh Ta Goor" (Persian: از خانه تا گور) was the one of the first professionally produced Iranian rap albums, released by a major record label. He is nicknamed as "Sun of Persian rap” (Persian: خورشید رپ پارس) by his fans. He is the founder of the label Paydar. He has a collaboration with Yas. His views are a result of his personal experiences and that is reflected in his poems. His songs provide a mixture of commentary on daily life as well politics, poetry, and social issues.