Claude is inexpressive and apathetic, emotionless as he does not respond to direct taunts. he is extremely knowledgeable and intelligent. He is ungenerous and selfish as well, as many demons are. Claude is a tall, bespectacled, and handsome man with short, black hair and golden eyes. Claude's contract seal with Alois is located on his left hand which is covered by the glove that he wears. He acts erratic when tasting blood and he is from England. Is a demon and he hates Sebastian.