Reigen seems to be a man guided by principles and is very socially and emotionally intelligent, as he believes that hurting other people is wrong and reminds Mob of that often, demonstrating his very honorable and noble side covered by his shady business. Reigen is a tall man with dark brown eyes and short, reddish-blond hair[3] with messy bangs. He is also very vibrant with his facial expressions ranging anywhere from attractive to terrifying, and he tends to sweat profusely.