Felix and Adauctus (d. 303) were according to tradition, Christian martyrs who were said to have suffered during the Great Persecution during the reign of the Roman emperor Diocletian. The Acts, first published in Ado's Martyrology, relate as follows: Felix, a Roman priest, and brother of another priest, also named Felix, being ordered to offer sacrifice to the gods, was brought by the prefect Dracus to the temples of Serapis, Mercury, and Diana. But at the prayer of the saint the idols fell shattered to the ground. He was then led to execution. On the way an unknown person joined him, professed himself a Christian, and also received the crown of martyrdom. The Christians gave him the name Adauctus (the Latin word for "added"). They were both beheaded.