A number of them, well over a dozen. I've not met them all.
There are also Storyteller, Librarian, the Kid, Horn, Flowers, Mirror, Persona, the Graces, Beauty, Soldier, Messenger, Angel, Waterbearer, the Dude, the Twins, Veiled, Game Master, Haunted, Huntress...
And of course, Surgeon, we're under order not to receive tasks from and to report any interact with him directly to King.