A friend of
Melchizedek, who was a high priest in the bible. Also noted as king of the angels is gnostic lore.
Melchizedek (from Hebrew מַלְכִּי־צֶדֶק malḵ-i ṣé
deq, literally "my king is righteous(ness)") is a priest mentioned during the Abram narrative in the 14th chapter of the Book of Genesis.
Sketcher is an esoteric being of creation with Michael.