The eldest son of Jean-Baptiste, and the future fourth Monsieur de Paris. The series begins with Charles' struggle with his destiny as an executioner.
- Cain and Abel: His relationship with Marie dissolves to this.
- My Master, Right or Wrong: Regardless of his feelings on a condemned's innocence or guilt he will carry out the sentence regardless. Likewise if a reprieve is ordered he will obey regardless of guilt.
- Odd Friendship: With Louis XVI and Robert Damiens.
The youngest daughter and Charles' half-sister, Marie picks up an interest in executions and medicine at the age of five. At age 11, Marie becomes the Prevote de L'Hotel.
- The Ace: At just five years old, Marie was already dissecting and storing specimens just from overhearing her father's lectures.
- Creepy Child
- Even Evil Has Standards: Despite being a sociopath is openly disgusted by Count De Luxe.
- Femme Fatale
- Little Miss Badass: Marie began as an executioner at only 11 years old, so it's no surprise to see her easily cut down some goons that lured her out to attack her.
- Manipulative Bitch
- Precocious Crush: Developed a crush on the older Alain-Bernard when she was still a young girl.
- Rape as Drama: Marie has to perform sexual favors for an official in order to secure her position as Prevote De L'Hotel. He is eventually branded as a criminal, and Marie relishes her execution of him a bit too much, forcing her father to step in. When it turns out that Griffin would be the man that Marie would execute, she relishes on her revenge a bit too much.
- A Scar to Remember: The crest of the Sanson family was branded on Marie's chest by her own grandmother at just six years old.
- Start of Darkness: While she was already fairly sociopathic, it was Count De Luxe's murder of Alain that made her determined to tear the system down at all costs.
- Third-Person Person
- Tantrum Throwing
Sanson Family and Associates
The third Monsieur de Paris at the beginning of "Innocent".
The Royal Family
- Reasonable Authority Figure: Desperately tries to be this.
Marie's first love.
- First Love: For Marie
- Master Swordsman: Overpowers Count De Luxe when they first meet.
- Too Good for This Sinful Earth: Even Marie is rather fond of him.
- Wide-Eyed Idealist: Despite having been on the receiving end of abuse he genuinely believes he can make the world a better place. It doesn't end well for him.
- Historical Hero Upgrade: Is portrayed in a far more sympathetic light than he was in reality, being a desperate man trying to provide for his son.
- Honor Before Reason: Is adverse to taking charity and insists on paying off his bill even though Charles is willing to let his son get treatment for free
- Odd Friendship: Has one with Charles.
- Papa Wolf: Loves his son and is in fact motivated to attempt regicide by his son's (supposed) death. When he learns his son survived he has to deny knowing him to spare him the stigma
- The Alcoholic: He already had a drinking problem as a torturer and permanently became this after his services were abolished.
- Evil Counterpart: Subyss sees himself as a the mirror image of Charles-Henri, which is far from the truth.
- Face of an Angel, Mind of a Demon: He's long-haired, effeminate, flamboyant, and a total sadist.
- Faux Affably Evil: When Charles-Henri meets with him at a bar, Subyss offers a drink and then threatens to murder the owner with a fork.
- Loves the Sound of Screaming: When intoxicated, Subyss will only come back to his senses after hearing sounds of agony.
- Mad Artist: He is sadistic enough to view pain as an art form, and tortures people to express his twisted philosophy.
- Psycho for Hire: Subyss enjoys his job so much that he needs to get drunk when he's not torturing people.
- Psychopathic Manchild: It's really not that hard for him to get dangeriously emotional, especially when he's under stress.
- Torture Technician: Not only his position at the High Court, but admittedly the only reason why he exists.
An aristocrat who despises poor people. He murders Marie's first love Alain, setting Marie down a dark path.
- Accidental Public Confession: Marie invokes this in order to make sure he gets punished for his crimes. Namely she drugs him with a hallucinogenic that makes him see his victims, which in turn causes to rant about his crimes, how he enjoyed them and laugh maniacally....all within earshot of the King, who promptly overturns his pardon and sentences him to death.
- Aristocrats Are Evil: Hoo boy. This guy manages to stand out as the most despicable character in the story despite his limited screen time.
- Break the Haughty: After Marie tricks him into revealing the true nature of his crimes, which results in his death sentence being reinstated.
- Engineered Public Confession: Marie drugs him with a powerful hallucinogenic and then pushes him into the room where the king is waiting. When the hallucinations make him see his victims he rants about how he burned the children alive, how Alain's dreams were foolish and even engages in Evil Gloating and Evil Laughter.....right in earshot of the king and all the guests. The King promptly overturns his pardon and sentences him to death.
- Evil Is Petty: Even leaving aside his disdain for poor people, he's angry that Alain stood up to him.
- Face of an Angel, Mind of a Demon: He looks incredibly handsome but is easily the most monstrous character in the story.
- Hate Sink: The most loathsome character in both series, which is saying a lot.
- Humiliation Conga: Is tricked into giving an Engineered Public Confession, is arrested at a dinner party in HIS honor, learns that Marie completely and utterly played him to get him where he was, then gets overpowered when he tries to leave before being decapitated like the lowlife he is. Oh and his severed head is displayed afterwards.
- Jerkass: The NICEST thing that can be said about him.
- Karmic Death: Gets executed like a common criminal, and thanks to Marie tricking him into admitting his guilt his status as a "hero" is gone. And to add insult to injury his head is even put on display alongside those of his cronies.
- Karma Houdini Warranty: ALMOST gets away with his crimes before Marie tricks him into giving a Engineered Public Confession.
- Laser-Guided Karma: On the receiving end of this. His crimes are publicly exposed at a banquet in HIS honor, the King himself makes it clear he's going to die, he's dragged to an execution platform, learns that the woman about to execute him is the same woman who engineered the situation to begin with, and when he tries to run Marie forces him to the ground and than cuts his head off. All this while in front of a jeering crowd of poor people (the very people he detests). For good measure his head is also left on display.
- Politically Incorrect Villain: In addition to all the other horrible stuff he's also a racist against Blacks and Mixed Race individuals.
- Small Role, Big Impact: While he only appeared in a few chapters his actions ultimately destroyed any chance Marie had of a life outside of executions.
- Smug Snake: Oh so smug and oh so despicable. Doesn't last after Marie tricks him into admitting his guilt.
- The Sociopath: Unlike Subyss, who was capable of feeling emotions like any other person, De Luxe is an inhuman monster (what little emotions he does feel are either smug satisfaction, anger or in his final moments panic and fear).
- This Cannot Be!: Even when on his execution platform he desperately tries to run from his fate. It doesn't work.
- Villain with Good Publicity: For the first 2 chapters of the sequel. Gets overturned when Marie tricks him into giving an Engineered Public Confession
- Villainous Breakdown: Has one when Louis XV overturns his pardon and reinstates his sentence. By the time he's on the execution platform he's reduced to begging for his life before rather pathetically trying to run.
- Would Hurt a Child: His victims are children, which notably appalls not only the other aristocrats but also Marie.