Sherlock Holmes (シャーロック・ホームズ, Shārokku Hōmuzu ) is a consulting detective, the only one in the whole world, according to his claims. He lives at 221B Baker Street , sharing a flat with John Watson . He is the antagonist of Moriarty .
Sherlock has black hair tied into a small ponytail, but always tousled, and has blue eyes. He doesn't seem to care about his appearance. While all the men of his time who want to stand out dress in neat outfits, Sherlock has not worn a tie since he finished studying

Undertaker (葬儀屋アンダーテイカー , Andāteikā) is a seceded Grim Reaper. He is also a former Aristocrat of Evil and informant to the Phantomhive house since Vincent Phantomhive's time. He used to work as a funeral director for normal society.

Grelle Sutcliff (グレル・サトクリフ, Gureru Satokurifu) is a Grim Reaper. She is part of the Retrieval Division of the Grim Reaper Dispatch. Grelle initially posed as Angelina Dalles's butler and conspired with her as Jack the Ripper. She was suspended for some time as a result, but is now a fully active Grim Reaper.

Count Ciel Phantomhive (シエルファントム ハイヴ, Shieru Fantomuhaivu) is the head of the noble Phantomhive family and the owner of the Phantom Company, which specializes in manufacturing toys and candies. Notoriously known as the Queen's guard dog, he is the son of Vincent and Rachel Phantomhive. 

Queen's Watchdog

Fyodor Dostoïevsky is one of BSD's antagonists

A polite, elegant, kind and very caring man that despises liars. Xeno has the appearance of a 24 year-old human but he is a thousands years old demon that gave up on eating flesh a long time ago. He always puts others first and has an extremely calm demeanor, making it very difficult to upset him. He is very intelligent and a fast-learner, his favourite hobbies are reading and listening to classical music. He hates his parents because they never treated him right and killed his little brother.

A smug, polite, elegant and caring young man.

Sebastian Michaelis (セバスチャンミカエリス, Sebasuchan Mikaerisu ) is the demon butler of House Phantomhive . He's simply one hell of a butler.

Noé is a tall (187cm/6'1"), well built young man at the age of nineteen. He has dark skin, a long, angular face, thin, purple, almond shaped eyes, and thin eyebrows. His hair is short, white, and fluffy, going just past his ears. Though his hair usually stays out of his eyes, his bangs are parted at the right, causing some of his hair to fall onto his face. A portion of his hair lies over the rest at the front, to the left part. Jun Mochizuki jokingly calls this "a lid."

Noé Archiviste, Vampire of the **Red Moon**

The owner of a flying ship company, Augustus is famous throughout the land.
Outside his professional obligations, he works covertly as the leader of a band of thieves. Augustus Harrington seems have an ease in infiltrating the area of intimacy of others, whether they are men, women... or even animals. He is equal parts suave ladies’ man and calculating mastermind, but you feel that neither of these is the real Augustus." He's a very smart and cunning nobleman...but what is he hiding..?

Augustus is a very smart and cunning mastermind.

Louis James Moriarty (ルイス・ジェームズ・モリアーティ, Ruisu Jēmuzu Moriāti ) is the younger brother of William Moriarty . He is the one who manages and maintains all the Moriarty properties. 

Louis is depicted as a young man, rather tall, with red eyes and blond hair. He wears a pair of oval glasses, and he has a burn scar on his right cheek.
He wears a black outfit, consisting of a shirt, tie, frock coat, jacket, pants and a pair of shoes.

Louis is extremely devoted to his big brother.

Albert James Moriarty (アルバート・ジェームズ・モリアーティ, Arubāto Jemuzu Moriati ) is the eldest son of the Moriarty family from whom he inherited the title of earl at a very young age. He is also one of the core members of the organization led by William . A former lieutenant-colonel in the infantry, Albert now runs the company Universal Exports, the official name of MI6 .
Albert has brown hair and green eyes. He likes cleanliness, and this is also evident in his appearance. He always wears neat suits.

Snake (スネーク, Suneku) is the footman of House Phantomhive. He was previously a member of the main troupe of Cirque de l'Ache de Noé and their snake charmer. He is said to be half-snake himself, and is able to understand and speak to snakes. At least eight of his serpents are identified: Wordsworth, Emily, Goethe, Oscar Wilde, Webster, Bronte, Donne and Keats.

Responding to the dress standards imposed by the nobility, William always dresses elegantly and often wears a top hat. He has blond hair and red eyes. He also shares a resemblance to his biological brother, Louis .

William James Moriarty is the protagonist of MTP.

Alice has a tall stature and feminine features. He has fair skin and medium-length light-pink hair. He has pointed ears, and his eyes are magenta with long eyelashes. Instead of wearing Babyls' school uniform, Alice wears a formal set of his own. He wears a black dress shirt under a white waistcoat and an elegant white overcoat with gold trim, complimenting the gold-trimmed boots and white trousers. His overall appearance has gained him the affection and admiration of numerous female students.

Alice is a Daleth ranked demon in Babyls academy.

Jack Renfield (ジャック・レンフィールド, Jakku Renfīrudo ), or Lord Rockwell, is an affiliate of William Moriarty . A veteran of the first Afghan war, he was nicknamed “Jack the Ripper” by his comrades in arms.

Jack is a tall, older man with long gray hair that is usually tied up.
When the Moriarty brothers first meet Jack, his hair is part black with only a few silver strands.
Jack is a man of a certain presence who is respected, not only because of his age and experience, but also for his reputation.