Catherine

Description
Her seductiveness is more than just an act - Catherine is actually a succubus from another realm who has tempted many other men with her wiles and can take whatever shape is suited to lure men astray. Those men (including Vincent) were then condemned to the Nightmare by  Dumuzid, as he viewed Catherine's victims as sinners to be punished for giving into their lusts. In fact, when Vincent attempts to break up with her, her argument is that she was trying to save him. From what, however, remains unknown. Whether it's by Dumuzid, the nightmares, or Katherine is not a certain answer. Although it's unrelated, when Vincent consoles her in the bathroom, she really shows off her gruesome side.

Because of what she is, Catherine's initial physical appearance and personality are meant to mirror exactly what it is Vincent is looking for. In this, she begins with no personality except what he is yearning for: a free soul. As their relationship grows and she spends more time with him instead of doing her "job" seducing other men, she begins to let more of herself out. She is easily excitable and almost manic, switching moods from rage to elation in a split second.

This comes to a head when Vincent breaks up with her on Day 7,, and her initial reaction is one of desperation. She tells him not only is she all right with him having another girlfriend, but is also all right with him marrying Katherine and having a child, as long as he still sees her. Though this can be seen as a last play at manipulation, her reaction appears genuine.

It quickly shifts to abusive when Vincent follows her into the   Stray Sheep's bathroom and gets physically assaulted, continuously, as she warns him of the dangers of breaking up with her and leaving her "protection."

Her true personality is evident in the Catherine True Ending and Catherine Good Ending, where there are no lies and deceptions, and her attraction to a Chaotic Vincent is clear. During the   Catherine Bad Ending, although she admits she likes him, she shows nowhere near as much interest in him. This shows that, despite her base attraction to Vincent, Catherine seeks excitement in her life above all else.

Freedom defines her entire attitude and feelings towards life: she hates anything that ties a person down, and is prone to acting on impulse. This is demonstrated by the fact that she works with Dumuzid to corral men into the Nightmares "on a whim".

Background
No details are given about her origin, though she does have an antagonistic relationship with her overprotective father, Nergal. She is seducing at least one other man (Steve Delhomme) at the same time as Vincent.

It is heavily implied that she breaks up with Steve on Day 3 to spend more time with Vincent. Steve appears in a more frantic and paranoid state on 4-1 trying to find "her" again, and the following day he tracks Vincent down and threatens him, desperate to get Catherine back. This makes it clear Catherine broke up with Steve by telling him she was seeing Vincent.

She is focusing on Vincent's city for her marks because of her casual "employment" with Boss.

In Her Own World
Catherine first appears at the Stray Sheep after Vincent's friends have gone home. She entices him with her refreshing mindset of freedom and an aversion to commitment, matching her personality and looks to be exactly what he's looking for. She goes home with him that night.

She wakes up next to him in bed, and after a brief talk, runs off for an urgent dentist appointment (with Steve). She meets him again at the Stray Sheep that same night, and again wakes up with him, this time telling him her name.

Their affair continues until he confronts her about a phone call he received from Steve Delhomme demanding they stop seeing each other as Steve is Catherine's boyfriend. She denies this, saying he has the wrong Catherine.

A couple days afterwards, Vincent calls her to the Stray Sheep and breaks up with her. Though initially hurt and upset, after he follows her into the bathroom she takes it out on him physically by beating him. He won't relent, and ends up completely breaking things off despite her protests.

Catherine appears shortly after that in Vincent's apartment, as he is welcoming Katherine in. The two women have a verbal fight which dissolves into a physical one when Catherine pulls out a knife. After a brief scuffle, Catherine is stabbed through the stomach and dies, the last time she's seen normally in the game (though she briefly comes back as the 8th boss  of Vincent's nightmares).

Later on,  Boss explains her existence as a succubus, saying he employed her to help with  The Great Trials. He explains normal people cannot normally see her, and that Vincent doesn't have to worry about her anymore.

Catherine only appears in her own endings:  Catherine True Ending,  Catherine Good Ending, and  Catherine Bad Ending.

Roleplay
Catherine has done very little in the Roleplay thus far. Her latest victim, however, is Junpei Iori.

Relationships
Using the iamge of Junpei's old flame, from his own world, named Chidori, Catherine has moved in with Junpei, with the intent of making him her latest victim. For a time, when traveling to the New World, Catherine traveled with Link, but due to issues with availability, nothing sexual ever happened between the two. Link was introduced to Catherine once, on the colonies, so they know each other as acquaintances. Link was introduced to Catherine once, on the colonies, so they know each other as acquaintances.
 * Junpei Iori
 * Link (Legendary Hero)
 * Hero of Winds
 * Link (Hero of Time)

Current Goals

 * 1) ​Catherine is a succubus. As of current development, she has no goals aside from the usual life energy consumption that Succubi need to survive.

Notable Abilities

 * Though Catherine's exact strength is unknown and widely unexplored, it is implied that her power over mortals is great, given her ability to apear in their nightmares, able to hurt their real bodies.
 * As a succubus, Catherine's ability to lie and convince others is extremely impressive. This is assisted by her natural abilities of appearance.
 * Catherine can alter her form to reflect the desires of her potential victim. In this way, Catherine can seduce almost any straight man, and perhaps gay men, by appearing as their ideal woman (Or... man?). This ability is not explained with any detail, but it seems Catherine's very being cannot be percieved by those she does not wish to see or hear her. She cannot be seen or heard by anyone other than Vincent, her current victim. Dumuzid was able to percieve her, which may imply that demons have no issue with percieving her, but as the nature of demons is different in roleplay than in her own canon, this cannot be confirmed. Lastly, her ability may even be instinctive, as it's never made clear whether she can control this.
 * It is heavily implied throughout the game that ants follow Catherine from place to place, showing up around those she is involved in.  Lindsay and Martha mention ants are the "messengers of witches" and "come out of the mouths of the men who wasted away to death.
 * As Catherine seems find her way into Vincent's room each night, it is implied that she has the ability to manifest anywhere.
 * Catherine has displayed impressive strength while attacking Vincent, but being a demon, her strength may be greater than displayed while pretending to be a normal human girl.
 * Catherine has stated that she is incapable of bearing children, though it is unclear if this is true when mating with other demons, as the statement was directed to Vincent, a normal human being.
 * Catherine has displayed the ability to lter other's perceptions of external things as well, as the messages, pictures and other things that Vincent recieved from her vanished when they broke up.

World Status
Catherine lives with Junpei Iori in house 59. Catherine is unemployed.
 * Housing
 * Employment

Trivia

 * Catherine is written as キャサリン (Kyasarin) in Japanese for both Catherine and Katherine. This leads to a lot more ambiguous references in the Japanese game, as you have to rely on context which C/Katherine is being talked about. In a few instances in the North American version, the vagueness of which one Vincent is talking about is so important the localization team altered the subtitles to read as "her" when he actually speaks her name, leaving the player intentionally confused.


 * Catherine wears little girl's baby pink on her lips and cheeks, and has blue eyeshadow on.


 * Catherine admits to having a sweet tooth, though the only food she is shown to order in the game is the Summer Squash Pasta from Chrono Rabbit.


 * She has a tendency to give violent love bites, which Vincent has to cover up with bandages to hide.


 * Her e-mail through which Vincent texts her is "CoquettishCat@kriosphone...". Coquettish being a reference to her flirtatious personality. Cat being a shortening of her name.


 * Catherine is a very sexual type of female character, as she may never be that satisfied when having sex until it is around the second time, as she is sometimes seen about to have sex with Vincent twice after his nightmares are over with that specific day, until   Catherine True Ending as she is taken in a second time for sex by Vincent.


 * As mentioned in Vincent's trivia, Catherine represents the blonde young woman in which a man has to choose between her or a black haired and mature looking woman in one of the Lovers Arcana tales. Catherine represents the physical desire as seen on how flirtious she is towards  Vincent in the game.


 * Spoiler warning: Significant plot details follow.


 * On  Day 2, Catherine wakes up next to Vincent, but leaves abruptly, explaining hurriedly she has a dentist appointment. This is a reference to Steve Delhomme, another man she's seducing.


 * Despite being a demon, she seems to fear  ants or is at least incredibly frustrated with them.


 * Her appearance (as an ideal woman) to Steve is completely different than when she appears to Vincent. Though we never know what she actually looks like to him, we know she is not Caucasian.


 * In the   Catherine True Ending   she is shown in her demonic form, with the same face as she had previously, either meaning that is her true face or she decided to stay that way just for Vincent. The same can be said of Vincent, who looks similar to his mortal form as a demon.


 * Catherine confirmed in the Catherine Good Ending and<span style="color:rgb(213,212,212);line-height:20px;">  Catherine True Ending he is unable to bear children, though it is unclear if this is still true when Vincent becomes a demon himself.


 * It is unknown how much power she has as to her position in the demonic hierarchy.


 * It is never answered if she ever actually slept with Vincent during the events of the main story, and there are arguments both ways.

Significant plot details end here.