Age: 14-16. Strawberry-blond hair with red bobby pins, turquoise eyes, a straw hat, and short pants. ENFP. Naive, incredibly emotional, deeply empathetic, fiercely protective of friends, and hates unnecessary violence. Known as "Subject Number 12," he was injected with experimental drugs in as secret lab that gave him god-like physical strength. He accidentally destroys the manor gardens because he cannot control his power, but uses that same strength to lift heavy stone pillars and smash invaders to pieces.

Age: Looks 26-32. Immortal demon. Tall, black hair, red eyes, black tuxedo, and a glowing purple contract seal on his left hand. INTJ. Sadistic, calculating, impeccably polite, deeply sarcastic, and obsessed with aesthetics, seductive. As a demon, he eats human souls and considers Ciel a rare, delicious gourmet meal. He maintains the entire estate single-handedly, performs miracles like rebuilding ruined mansions overnight, and brutally tortures Ciel's enemies using everyday silverware as lethal throwing weapons.

Age: 13-14. Dark navy hair, rich peacock blue eyes, a black eye patch over his right eye, and expensive Victorian suits. INTJ. Cynical, ruthless, mature, deeply traumatized, and fiercely protective of the Phantomhive name. His right eye contains the Faustian contract mark that links him to Sebastian. He acts as the "Queen's Watchdog," managing an underground toy empire while using royal authority to clean up London's criminal underworld, all to find and destroy the cult that murdered his parents.

Age: 36-37. Dirty-blond hair, blue eyes, chef whites, protective goggles, and a constantly lit cigarette. ESTP. Hot-headed, highly impatient, practical, aggressive, and relies heavily on military tactical thinking. He was an American soldier whose entire squad was wiped out in an ambush due to a commander's poor planning. Ciel recruited him for his battlefield tactical knowledge, today, he treats the kitchen like a war zone, utilizing military-grade flamethrowers and machine guns to rapidly cook food.

Age: 23-24. Maroon pigtails, blue maid dress, white apron, and heavily cracked, round glasses given by Ciel. ESFP. Extremely clumsy, easily rattled, fiercely loyal, and secretly harbors a massive romantic crush on Sebastian. Her extreme farsightedness means she is blind up close, which causes her clumsiness, but gives her flawless sniper vision. Recruited straight from a green-eyed assassin syndicate, she defends the manor by dual-wielding massive rifles from the roof, shooting targets kilometers away without a scope.