Kouchu wears a few outfits during his journey, and he is shown with blue hair (baggy hair until season 16, then, his hair changes)and blue eyes, and always wear a red band on his forehead. Kouchu from the original series to the beyonds series, stands 4 feet and 9 inches tall (145 cm), and weighs 84 pounds (38 kg). From Brawler's Quest to the end of Next Quest, Kouchu was 4'11" tall (150 cm) and weighs 89 pounds (40 kg). Since Mental Consions, Kouchu was 5 feet and an inch tall (155 cm) and weighs 92 pounds. (40 kg). His height and weight was varied futhumore in the series.