Christian Saints

St. Michael the Archangel is the chief of the heavenly host, the celestial army that defends the Church. He fights the rebel angels and the dragon of Revelations. He is patron saint of knights and of all trades allied to the production of weapons and scales.
See: Agnolo Bronzino. St. Michael Fighting the Devil.
Carlo Crivelli. St. Michael.
Gerard David. Altar of Archangel Michael.
Eugène Delacroix St. Michael Defeats the Devil.
Dionysius. The Archangel Michael.
Domenico Ghirlandaio Madonna and Child Enthroned with Four Angels, the Archangels Michael and Raphael, and St. Gusto and St. Zenobius.
Limbourg Brothers. Les trčs riches heures du Duc de Berry. St. Michael.
Piero della Francesca. Archangel Michael.
Pontormo. St. John the Evangelist and St. Michael the Archangel.
Raphael St. Michael; St. Michael and Satan.
Andrei Rublev. Archangel Michael.
Russian Icon. Archangel Michael. The Archangel Michael. The Archangel Michael. The Archangel Michael.
Simon Ushakov. The Archangel Michael Trampling the Devil Underfoot.

Recommended reading:
The Book of Saints: The Lives of the Saints According to the Liturgical Calendar by George Angelini, Victor Hoagland (Editor). Regina Press, Malhame & Company, 1986.
365 Saints: Your Daily Guide to the Wisdom and Wonder of Their Lives by Woodeene Koenig-Brick (Author). Harper SanFrancisco, 1995.
Lives of the Saints: From Mary and Francis of Assisi to John XXIII and Mother Teresa by Richard McBrien (Author). Harper San Francisco, 2001.