raphael is generally associated with the angel mentioned in the gospel of john as stirring the water at the healing pool of bethesda. raphael is spoken about in the book of tobit. raphael was sent by the lord to heal tobit of his blindness. he also takes care of tobit son, tobias. he walks with tobias to the village where he meets his future wife, sarah. sarah needs to be rescued from a demon who kills everybody who goes near her. this evil demon kills every man she marries on their wedding night. while they walk, tobias and the angel catch a fish together. raphael told tobias to catch a fish use the gallbladder to heal tobit's eyes. raphael also told tobias how to protect himself from the demon. tobias made a little fire and was burning the heart and liver of the fish. tobias was driving away the evil demon with smoke.