Aithne Oakforest is an immortal elf, and one of the founders of Tir Tairngire and one of the original three (four including Ehran the Scribe) members of the Council of Princes. He is described as having shorter than average height, average weight, with blue eyes and black hair that is worn at a fashionable collar-length. He has a squared jaw and chiseled features. He is known for his fiery temper and sharp tongue. He is reported to have spent considerable time in the Duchy of Pomorya, possible creating a power base.