Capsaicin Cookie is a tall and muscular demon with charcoal gray skin. He has long and unruly neon orange hair, resembling flames, and large dark horns that crack, revealing lava underneath. He has tangerine-orange eyes with red pupils and a mouth of pointed teeth. Capsaicin Cookie wears a black sash and belt with a hexagonal buckle, along with matching black pants and jagged boots. He wears a red floor-length cape with fur trim resembling fire and fastened with a horned skull.