Luke 1:26-38

And in the sixth month the angel Gabriel was sent from God unto a city of Galilee, named Nazareth, ...To a virgin espoused to a man whose name was Joseph, of the house of David; and the virgin's name was Mary. And the angel came in unto her, and said, Hail, thou that art highly favoured, the Lord is with thee: blessed art thou among women.

Icon Gabriel.. between 1387 and 1395

Unknown, Byzantine Gabriel from Vysotsky chin (14c, Tretyakov gallery)

Hymn for St Archangel Gabriel

Leader of the heavenly armies,
we unworthy ones always beseech you,
protect us with your prayers
under the roof of the wings
to your glory incorporeal,
watching over us
who we bow to you with care and call:
deliver us from troubles,
as the chief of the superior forces.