Aerys showed great promise at the start of his reign, he was charismatic and flirty, he brought peace and prosperity to the Seven Kingdoms, but later descended into insanity.
He was a handsome young man of purple eyes and silver hair, later in his madness he refused to wash or allow anyone to cut his hair, he became gaunt and had cuts from the iron throne which gave him scabs. He was paranoic and temperamental. He became sexually abusive to his wife Rhaella and very protective of his children.