One of the three original disciples of Manes, who according to the Acts of Archelaus introduced the heretical teachings of Manes into Scythia and later went on a similar mission to the East, being also commissioned to collect Christian books. He is called Baddas by Cyril of Jerusalem. Photius refers to a work of his (Biblioth. Cod. 85) entitled "Modion" (Mark 4:21) which was refuted by Diodorus of Tarsus. A work against Moses and the Prophets by Addas and Adimantus is also mentioned.
COWELL in Dict. of Christ. Biogr., I, 43.