He (and nowadays sometimes "she") is a Public Domain Character, from The Bible of course, though his status as an Archangel is never specified in the book itself. Gabriel has commonly been depicted heralding messages with a horn, so the Horn of Gabriel may show up in fiction quite a bit. Said horn is often granted the epithet "Gabriel's Horn of Truth", and is occasionally seen as being used to herald the coming of the apocalypse itself. Gabriel himself is strongly associated with Seers, prediction and clairvoyance in his messages. Examples of Archangel Gabriel include: