a Greek monk in Bithynia, lived in the reigns of Michael II. Balbus (A. D. 820-829) and of his son Theophilus (A. D. 829-842).
He wrote the life of his master Nicetas the Confessor.
This is published by Surius, vol. ii. d. 3. April.
Vossius, de Hist. Graec. p. 343, ed. Westermann; Fabric. Bibl. Graec. vol. xi. p. 719.