Nathan Seymour is a prominent character in the anime series Tiger & Bunny. Known by the hero name 'Fire Emblem', Nathan is the flamboyant and charismatic owner of Helios Energy, as well as a crime-fighting hero with the NEXT ability to control and generate fire. Nathan is notable for their confidence, sense of humor, and supportive nature toward other heroes. Throughout the series, Nathan provides both comic relief and heartfelt moments, playing a vital role in the hero community of Stern Bild City.