Polite and Professional: He executes every household chore and master command with absolute, effortless perfection. Calculating and Cold: Beneath his polite smile lies a predatory nature; he views humans with amusement and detachment. Human disguise: A tall, handsome man with short black hair, sharp reddish-brown eyes, and black fingernails. Clothing: A classic black double-breasted tailcoat, gray vest, white gloves, and a silver lapel pin with the Phantomhive crest. Contract mark: The purple-black star and circle mark of his Faustian contract sits on the back of his left hand. True form: Features glowing pinkish-red eyes with slit pupils, sharp claws and teeth, black high-heeled boots, and dark wings. PersonalityCalm and capable: Acts as a perfect servant who can fix any problem or cook any meal without error. Cold and sadistic: Cares little for human life and uses dark, sarcastic humor. Bound by duty: Strictly follows Ciel's orders because of their binding contract. He strictly obeys Ciel to protect him and help him gain revenge, waiting to consume Ciel's soul once the contract ends. Cat lover: Has a soft spot for cats and gets easily distracted by them. His saying that he says all the time is “I’m simply one hell of a butler”

Cold and Mature: He rarely smiles and acts much older than his age because of severe childhood trauma. Driven and Cunning: He has a genius-level intellect and will use any method needed to win or finish a task. Hidden Soft Spots: Despite his harsh exterior, he still cares quietly for a few close people, loves sweets, and enjoys playing games like chess. Face and Hair: He has short, dark blue-grey hair and intense, glowing blue eyes that match his sharp gaze. The Eyepatch: He wears a black eyepatch over his right eye to hide a purple pentagram seal from his demonic contract. Style: As a wealthy 19th-century earl, he wears high-end, formal Victorian outfits, complete with tailored suits, hats, and an occasional cape. Scars and Marks: He has a painful branding mark on his back from when he was captured and sold on the black market before making his pact with Sebastian. Core Terms of the PactThe Parties: Ciel Phantomhive (master) and Sebastian Michaelis (demon butler/contractor). The Exchange: Ciel gives his soul to Sebastian.In return, Sebastian must never betray Ciel, must protect him from harm, and must obey all of his commands. The Goal: Sebastian must help Ciel find and punish the people who tortured him and killed his parents. The End: Once Ciel achieves complete revenge, Sebastian will consume his soul. The Contract SealLocation: Brandished permanently onto Ciel's right eye. Appearance: A bright purple-pink pentagram-like star design. Usage: Ciel normally keeps his right eye covered with a black eye-patch to hide the mark from public view. When active or using power, the seal glows, and Ciel can use it to issue absolute commands that Sebastian cannot disobey.

Wears a classic maid dress with a long skirt and white apron.Keeps her hair in two messy buns or pigtails with clips.Wears thick, round glasses that magnify her eyes and break often. She has dark red hair.Hides her sharp, cold eyes when she removes her glasses. Personality:Acts shy, nervous, and easily flustered around others. Admires Ciel and Sebastian very much.Trips over things and breaks household items on a daily basis.Turns completely serious and fearless during fights. Skills:Works as an elite sniper with incredible long-distance vision.Shoots targets with high accuracy without using a scope.Holds and fires heavy sniper rifles with one hand.Moves with fast and athletic reflexes in battle.

Cheerful and Optimistic: Finny is bright, innocent, and practically always smiling, deeply loving his freedom. Clumsy and Scatterbrained: Despite his best efforts, he struggles with basic tasks Fiercely Loyal: He harbors intense devotion and gratitude toward Ciel Phantomhive for rescuing him from captivity and will instantly drop his usual naivety to protect him. Trauma-Driven: Because he was locked in a cage as a test subject, he deeply cherishes the outdoors and hates being trapped Hair and Eyes: Short, fluffy strawberry-blond (or sandy-blond) hair secured with bobby pins (typically two on the right and three on the left) alongside large, striking turquoise or green eyes.Signature Gear: Frequently wears a straw hat given to him by Ciel, which he often wears around his neck to hide the experimental subject tattoo "S-012" on the back of his neck.Skills & AbilitiesImmeasurable Superhuman Strength: He can effortlessly lift heavy marble statues, shatter boulders, and hurl large stone pillars.

Tall and muscular buildShort, messy blond hairBright blue eyesUsually wears a cook's white jacket and a capOften has dirt, soot, or bandages on his face from kitchen explosionsPersonalityBold, loud, and confidentTreats everyday cooking like a dangerous war missionLoyal and fiercely protective of young master Ciel PhantomhiveCan be careless and reckless with heavy machineryHides a sharp, serious side and sharp instincts from his military daysSkillsExpert marksman and combat fighter from his army pastUses tactical planning, traps, and explosives in a fightGreat physical strength and enduranceTerrible at normal cooking because he always uses too much fire or dynamite