In the Old Testament he buries Moses and in the Talmud he destroys Sennacherib's armies.  
His feast day is September 29th and he apparently can speak Syrian as well as Chaldee [CALL-dee].  In the Old Testament he buries Moses and in the Talmud he destroys Sennacherib's armies.  Also in the Old Testament he appears once to Zacharias and twice to Daniel.  In art he is sometimes shown as carrying a lily, but in another tradition he is the angel of truth, for he reveals the Koran to Muhammad.  FTP, name this archangel who tells the Virgin Mary she is with child and blows the horn on the last day of judgement.
His feast day is September 29th and he apparently can speak Syrian as well as Chaldee [CALL-dee].  
Gabriel