Finnegrin is an adult Tidebound Elf with pale blue skin, dark coral-like horns, gray eyes, pale blue fins as ears, broad shoulders, strong hands, gills on each side of his neck, and a splash of facial markings that resembled freckles. He sported a black goatee and a wavy black hair that was tied into a bun. His clothing consists of a dark and long heavy coat, a white tunic with orange collars, light gray pants, black gloves with barnacles on their knuckles, as well as black boots.