A man walked down the street. He was handsome, in a Cary Grant way. He was clean-shaven, with piercing blue eyes.
Some would have called him fair. Some would have called him dark. Both would have been right. Different people would perceive him differently, depending on their natures and how he wished to be perceived.
Whether he had existed before Jon's wish or not is a mystery, and would never be resolved. Whether his abilities had pre-existed the wish would also remain permanently inscrutable. Regardless, he strolled into town, imparted with power and, by the wish, a purpose and a direction.