Raziel

Raziel is the Angel of Secrets, he is in charge of record-keeping and the four guardians.

He is fastidious and precise, almost alien and android-like in conversation, but don't let that fool you into thinking he's lacking in emotion. He actually has quite a soft spot for humans.

His design is based on that of a barn owl.

http://mllebienvenu.deviantart.com/art/Raziel-Keeper-of-Secrets-383289924