This man thanked God for 
This man thanked God for "Brother Fire" and "Sister Water" in his religious song "Canticle of the Sun." This man's father, a wealthy cloth merchant, disapproved of his career. This man had a vision in which an icon of a crucified Christ told him to repair Christ's house. This man's namesake order of monks still appoints a Custodian of the Holy Land as a result of his involvement in the Fifth Crusade. His order is also known as the Friars Minor. For 10 points, name this Catholic patron saint of animals, who was from Assisi.
This man thanked God for "Brother Fire" and "Sister Water" in his religious song "Canticle of the Sun."
St. {Francis} of {Assisi} [or Giovanni {Francesco} Bernardone; accept {Francis} after "Assisi" is read; prompt on {Francis}