Sebastian and Ciel.

Despite his appearance as a courteous and excellent servant, Sebastian is actually a ruthless, selfish, sadistic, and malicious demon. He is ruthless when attacking others on Ciel's orders. He is also physically attractive and always wears his impeccable black suit.

Claude Faustus, Alois Trancy's demonic butler in Black Butler, is a tall, slim, and handsome character with short black hair, glasses, and golden eyes. His initial personality is cold, apathetic, and professional, but he becomes obsessive, erratic, and fixated on Ciel after tasting his blood. Appearance Physical Attractiveness: He is a tall, handsome man with glasses, black hair and golden eyes. Outfit: He wears an elegant dark suit, white gloves, and a black tuxedo over a white shirt. Distinctive Features: His tongue is noticeably long, and the seal of his contract with Alois is located on the back of his left hand, becoming visible when Alois is nearby. Demon Form: His demonic form is that of a spider. Personality Initially Apathetic: At first, Claude is described as apathetic, lacking emotions and responses to Alois's provocations. Selfish: He acts selfishly, considering others as mere objects for his entertainment. Professional and Demanding: He is extremely meticulous and systematic in his tasks, maintaining high standards for himself and others. The Change after Ciel's Blood: Upon tasting Ciel's blood, his personality changes drastically. Obsession: He becomes obsessed with Ciel's soul, becoming erratic and willing to do anything to obtain it, even going so far as to do embroidery while thinking about him. Competitive: He displays a marked rivalry with Sebastian Michaelis, striving to prove himself a superior butler. Claude Faustus | Kuroshitsuji Wiki | Fandom Claude Faustus is a demon and the butler of the Trancy mansion in the Kuroshitsuji series. His goal is to serve Alois Trancy and devour his soul. Claude...

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Claude Faust | Kuroshitsuji Wiki | Fanatic Aug 27, 2025 — Appearance. Claude is a tall, handsome, bespectacled man with short black hair and golden eyes. He wears a dark suit and white gloves.

Ciel Phantomhive is a young man with dark blue hair and eyes, who dresses elegantly and often wears an eye patch over his right eye where his demonic contract mark is hidden. His personality is that of a cunning, determined and cold noble, who seeks revenge for the murder of his parents, although he reveals a more childish and vulnerable side, with a fondness for sweets and games.

Alois Trancy has a cheerful but sadistic personality, marked by unpredictable behavior and foul language, as well as a great need for affection and attention, especially from his butler, Claude Faustus. His appearance is characterized by light blond hair, pale blue eyes, and fair skin, and he wears an elaborate violet and green outfit, with black stockings and high-heeled boots.