Joseph the Hymnographer was a Greek monk of the ninth century. He is one of the greatest liturgical poets and hymnographers of the Eastern Orthodox Church. He is also known for his confession of the Orthodox Faith in opposition to Iconoclasm.

Saint Gregory of Dekapolis or Gregory Dekapolites was a 9th-century Byzantine monk, notable for his miracle-working and his travels across the Byzantine world. He is known as "the New Miracle-Worker", and his feast day in the Eastern Orthodox Church and Roman Catholic Church is on November 20.