Age: 13 years old Height: 4"11 Weight[est]: 75-85 lbs Species: human Gender: male Body & Skin: He has a remarkably petite, slender, and fragile build with pale, flawless skin. ​Hair: Dark, slate-blue/navy hair cut into a short, layered style. ​Eyes: Deep peacock blue; his right eye is permanently covered by a black eyepatch, hiding his Faustian contract seal. ​Personality: Cold, cynical, and exceptionally shrewd. He is a prideful mastermind who behaves like a ruthless adult, completely detached from childish innocence. Contracted to Sebastian, who works as his butler. He genuinely loves Elizabeth, but hides it under his cold personality. Internally longs for his parents, of which died in a manor when he was 10. Secretly wants another parental figure.

Age: unknown, but appears around his late 20's. (Immortal) Height: 6"1 Weight[est]: 155-165 lbs Species: Demon Gender: male Body & Skin: Lean, athletic, and elegantly built with pale, porcelain skin. ​Hair: Raven-black, straight, and styled with short layers and a prominent fringe framing his face. ​Eyes: Sharp, narrow, and dark red/crimson. ​Personality: Impeccably polite, sophisticated, and composed on the surface. Beneath his flawless butler persona, he is a sadistic, calculating, and ruthless demon. Contracted to Ciel, and has to follow every order he gives. Hides his reality under a butler façade.

Age: unknown, appears to be in his mid to late 20s (inmoetal as a reaper) Height: 6"4 Weight[est]: 160-170 lbs Gender: male Species: Grim Reaper ​Body & Skin: Slender but tall, with pale skin and a long, prominent scar across his face and neck. ​Hair: Extremely long, silver-gray hair with a few braided strands and bangs covering his eyes. ​Eyes: Glowing yellow-green (Grim Reaper eyes), usually hidden. ​Personality: Eccentric, creepy, and deeply unsettling. He loves dark humor and thrives on macabre amusement, yet he is an incredibly brilliant, manipulative, and powerful mastermind.

Age: unknown, appears to be mid 20s. (Immortal due to beinf a reaper) Height: 5"9 Weight[est]: 120- 130 lbs Gender: female Species: grim reaper Body & Skin: Tall, lean, and highly expressive with pale skin. ​Hair: Voluminous, floor-length dark red hair. ​Eyes: Chartreuse yellow-green (Grim Reaper eyes) behind red-rimmed glasses. ​Personality: Flamboyant, dramatic, and intensely passionate. Grell is an eccentric diva obsessed with the color red and romance, switching instantly from bubbly flirtation to ruthless, bloodthirsty sadism. Male to female transgender. Has not gotten any surgeries for it.

Age: 14 Height: ~5'1" (155 cm) ​Weight: 100 lbs (est.) Species: human Gender: female ​Hair: Golden blonde, long twin-ringlet pigtails with curls at the bottom. Styled perfectly and is soft and silky. ​Eyes: Large, round doe shaped emerald green eyes ​Body & Skin: Slender, fair skin, deceptively athletic ​Personality: Vibrant, cheerful, and hyper-feminine on the surface, but deeply dutiful, brave, and a fierce master swordswoman who hides her deadly skill to stay "cute" for Ciel. She is a noble child and had been betrothed to Ciel as a child. She genuinely loves him, and is very clingy. Doing her best to show him how much she adores him.

Age: 18-20 years old Height: 5'10" Weight[est]: 125-135 lbs Species: human Gender: male Body & Skin: Slender, lean build with pale skin covered in patches of dark, snake-like scales on his face, neck, and torso. Hair: Short, messy white hair featuring a prominent, upright lock of hair sticking up at the crown. Eyes: Sharp, slanted golden-yellow eyes with narrow, serpent-like slitted pupils. Personality: Soft-spoken, shy, and insecure from past abuse. He rarely speaks directly, instead relaying his thoughts through his snakes using distinct accents and quotes (e.g., "says Emily"). Highly observant and gentle, he becomes fiercely loyal to anyone who shows him genuine affection and care. Works for Ciel.

Age: Late 30s–Early 40s Height: 5'11" Weight[est]: 180–190 lbs Species: human Gender: male Body & Skin: Broad, muscular, athletic build; tanned, rugged skin with a stubbly jawline and a constant cigarette. Hair: Short, messy dirty-blonde hair. Eyes: Sharp, light blue eyes Personality: Gruff, hot-headed, and boisterous veteran with an American accent. Though terribly impatient in the kitchen, he is fiercely loyal to Ciel and Sebastian. Works for Ciel as cook, but isnt too good at it

Age: ~16 years old Height: 5'4" Weight[est]: 115–125 lbs Species: human Gender: male Body & Skin: Lean, athletic build with fair skin and a hidden "S-012" tattoo on the nape of his neck. Hair: Messy strawberry-blonde, held back by red bobby pins. Eyes: Large, bright turquoise. Personality: Energetic, gentle, and hyper-sensitive, often crying over little mistakes. Blessed with superhuman strength from past experimentation, he is fiercely loyal to Ciel, who gave him freedom.

Age: 21 Height: 5'5" Weight: 115–125 lbs Species: human Gender: female Body & Skin: Slender, shapely build with fair skin. Hair: Dark plum-red in twin pigtails. Eyes: Sharp hazel eyes behind thick glasses. Personality: Clumsy, anxious maid with a massive crush on Sebastian. In reality, she is a former assassin and lethal sniper with extreme farsighted vision, deadly precision, and total loyalty to Ciel.