Gil

Father Gil was a pastor in the town plagued by vice in "Sin City".

Background
The episode opened with him putting away hymnals and witnessing a man's suicide. Later he is visited by Sam and Dean with questions about the suicide in the church. He answers their questions. When Sam and Dean are in a bar, he too is there, commenting on how everyone ends up here. Then comments about Casey's ass. When Dean goes missing, Sam asks the father for help on where Casey might be. With the location, the father insists on coming with Sam. When Sam turns his back, Father Gil is revealed to be a demon when his eyes turn black.

In the car, Gil begins to ask questions to Sam. Gil is too curious about Sam, since he was supposed to lead the demon army. It appear like Gil also would have followed Sam. When they arrive there they split up. Then Gil attacks Sam, and Bobby comes out and shoots at Gil, but Gil flings Bobby. Gil clears the rubble from the staircase, and frees Casey from the devil's trap. Once freed, she and Gil make out, due to them being a married couple. Gil is killed by Sam using colt.

Appearance

 * Sin City