I hope castiel is a real angel who's really confused why humans are fantasizing about him
OMG me too.
Cassiel is the Latin name of an archangel in post-biblical Judeo-Christian religion, particularly that of the Kabbalah. Unlike many other angels, Cassiel is known for simply watching the events of the cosmos unfold with little interference. He is the angel of solitude and tears, and is said to preside over the deaths of kings.
He is often included in lists as being one of the seven archangels and often associated with the Seventh Heaven.
Archangel Cassiel can also be called: Casiel, Castiel, Castael, Mocoton, Kafziel, Qafsiel, Qaphsiel, Qaspiel, Quaphsiel. He is also known as the angel of temperance.