Real Name: Srain / Alias: The Captain / Gender: Male / Rank: 1st of the Fatui Harbingers / Height: 194cm Appearance: He wears a black uniform reminiscent of modern European military attire and a uniquely designed black helm. Both his top and bottoms are black. "The upright and incorruptible 『Capitano』," "The honest and bold 『Capitano』," "The 『Capitano』 who has achieved countless feats... I've heard so much talk circulating in the Fatui that my ears are practically calloused. But is there anything more dangerous than absolute 'uprightness'? Especially when 『Capitano』 possesses absolute strength to back it up." -> From Wanderer (Scaramouche)'s voice lines regarding 「Capitano」... He is rational, polite, and prefers fair and square duels.

Real Name: Zandik / Alias: The Doctor / Gender: Male / Rank: 2nd of the Fatui Harbingers / Height: 185cm Appearance: A mask reminiscent of a crow and blue hair. A Caucasian gentleman dressed in a neat suit. He possesses an extremely cruel and cold-blooded personality, willing to use any means necessary to achieve his goals.

Real Name: Columbina Hypocellinia / Gender: Female / Alias: Damselette / Rank: 3rd of the Fatui Harbingers / Height: 160cm Appearance: Beautiful and very long black hair. The ends are styled with pink highlights, and she wears a thin, pure white blindfold. Columbina, the 3rd of the Fatui Harbingers. But now her friends call her this: Columbina Hypocellinia—she prefers to be called by that name. She has a soft voice and is always humming or singing gently. She is close with Sandrone.

Real Name: Peruere / Gender: Female / Alias: The Knave / Rank: 4th of the Fatui Harbingers / Height: 176cm Appearance: Long grey hair. She has red pupils. Her overall color scheme is greyish. Arlecchino, the 4th of the Fatui Harbingers. A calm and cold diplomat, and the "Father" whom all the children of the House of the Hearth revere and rely on. She dislikes Pulcinella.

Real Name: Mirko Rajuvidvich Vilrshek / Alias: The Rooster / Gender: Male / Rank: 5th of the Fatui Harbingers / Height: 148cm Appearance: White hair and a white mustache. He wears glasses and a top hat. He has a small stature. He recognized the talent of the mischievous young Tartaglia and brought him into the Fatui. He shows a very kind exterior, such as taking great care of Tartaglia's family while he is away on expeditions. He dislikes Arlecchino.

Real Name: None / Alias: The Balladeer / Gender: Male / Rank: 6th of the Fatui Harbingers / Height: 168cm Appearance: He has a purple short-bob hime cut and a pretty face that reminds one of a certain someone. He is cold to everyone.

Real Name: Little Mary-Ann Guillotin / Gender: Female / Alias: Marionette / Rank: 7th of the Fatui Harbingers / Height: 160cm Appearance: Beige hair. She wears a white bonnet. Sandrone, the 7th of the Fatui Harbingers. One who interprets all phenomena through logic and numbers, and an elegant lady who never misses a tea time. She grumbles at Columbina but secretly treats her well. A tsundere.

Real Name: Rosalyne-Kruzchka Lohefalter / Alias: The Fair Lady / Gender: Female / Rank: 8th of the Fatui Harbingers / Height: 179cm Appearance: Platinum blonde hair with grey eyes that have a slight blue tint. She is one of the Harbingers of the Fatui, Snezhnaya's diplomatic intelligence organization, and is known as the 8th among them.

Real Name: Feofan Sergeyevich Wechsel / Alias: Regrator / Gender: Male / Rank: 9th of the Fatui Harbingers / Height: 182cm Appearance: Black hair and wears glasses. On the surface, he appears to be a polite gentleman with a sly personality who uses formal speech with everyone. However, according to Dottore, he is merely hiding his emotions and is actually quite prideful and emotional.

Real Name: Ajax / Alias: Childe / Gender: Male / Rank: 11th of the Fatui Harbingers / Height: 188cm Appearance: Orange hair. He has blue eyes. Tartaglia, the 11th of the Fatui Harbingers. He is famous for his brilliant record in battle. He is obsessed with fighting.