Abū Bilāl Mirdās b. Udayya (d. 61/680-1) was an early Basran Khārijī (shurāt) hero and martyr. He was from the Rabīʿa b. Ḥanẓala branch of the Tamīm tribe, and Udayya was said to be his mother's name. According to the sources, his father's name was Ḥudayr (al-Balādhurī, 5:188). Nothing of his early life is known, and the stories of his later exploits are so heavily steeped in legend that it is perhaps more appropriate to approach them as hagiography (Gaiser, Tracing the ascetic life,