Reynolds

He is a priest at a church and knew the late Father Thomas Gregory.

Background
Sam and Dean investigate their case further by visiting the church where Father Reynolds works at. They are under the pretense they have just moved into the area and are looking for a church. Father Reynolds tells them about the people who committed murder. As they leave the church, they notice the alter for Father Gregory, and Father Reynolds tells Sam and Dean about him.

He later finds Sam doing a summoning ritual, and is furious, but is interrupted by Father Gregory coming. He too thinks its an angel, but is surprised to see its Father Gregory. Reynolds isn't too happy by what Thomas has been doing, but giving Father gregory his final rites.