In most fiction you encounter tropes involving sexuality. You run into occasions such as Everyone Is Gay, No Bisexuals, Everyone Is Bi, Anything That Moves, or even Extreme Omnisexual. You hear Silly Love Songs about Intercourse with You, and see Love Dodecahedrons, Kiss Kiss Slapping, Slap Slap Kissing, and oodles of Shipping.
What you don't seem to see are many characters who are of an age or situation to get sexually attracted - but aren't. You don't see many characters who aren't particularly interested in having sex or involving themselves in a relationship with anyone.
It is difficult to showcase a lack of something, so it is understandable that this orientation is often ignored, especially in works with No Hugging, No Kissing. However, this also leads to the common assumption that everyone is interested in sex, which can lead to awkward feelings for the asexual audience when sex is shown to be something everyone does and wants. This can also be a problem for the asexual character, both in-universe and out as fans and fellow characters alike will often dismiss their sexual orientation as a side-effect of depression, mental sickness, medically-concerning low hormone levels, abuse, immaturity, or even just plain old sour grapes* ie. "I can't get laid so I'll just pretend I didn't want to anyway." and not stop until they've succeeded in getting them to bed someoneso they can live a "normal" life at last.
It should be noted that asexuals are not incapable of sex or falling in love. Asexuality is often the lack of sexual attraction rather than sex drive or emotional attraction. As such, asexuals who are more indifferent to sex rather than actively averse to it may be quite capable of sex and masturbation (though this is not usually directed at any object of desire) if they need to. Asexuals in romantic relationships with sexual individuals, for example, may have no problem having intercourse with their partners for the sake of said relationship even if the act itself may not have the same significance or appeal as it would to sexual individuals. Unlike the aforementioned fully sexual individuals, asexuals do not actively desire said sexual actions and will not miss said acts at all if denied to them.
Romantic asexuals will seek out sexless romance—love without sex, which may include things like cuddling and even kissing, and focuses on emotional intimacy. Romantic asexuals often have a gender preference and identify as gay, straight, or bi, but quite a few are just "panromantic"—when it comes to love, gender doesn't matter.
Many asexuals consider asexuality to be a spectrum, with "gray asexuality" and "demisexuality" residing somewhere between "full" asexuality and fully sexual. Gray, or borderline, asexuals would be those who are capable of sexual arousal, and even often have a sexual orientation, but not to the same degree as fully sexual individuals. Demisexuals are those who do not experience sexual attraction until an emotional connection has been established, and may similarly have a preference for one or more genders. Some asexuals are "aromantic", too — not only are they uninterested in sex, but also in romance. Human sexuality being ridiculously complicated, there are a few people who are aromantic but not asexual, and some are sexually attracted to certain genders but romantically oriented towards certain others.
Finally, asexuals (or their aforementioned ilk) are often fully capable of determining whether someone is or is not "attractive;" they simply (categorically) do not have any inherent sexual (emotional or physical) response to said attractiveness.
It is unfortunately common for some people to express cynicism towards the idea of asexuality, or to insist that it is simply impossible for two people to have a close, platonic relationship where sex is not involved. Sometimes a person who feels such cynicism literally cannot comprehend life without sexual attractions or drives.
It should be noted that, in Real Life, no person is entirely defined by their sexual preferences, and everyone is different. The details laid out here are entirely for casual education and understanding purposes, and are not to be taken as set-in-stone rules regarding asexuality. There has never been and never will be a group of people who behave entirely identically.
Not to be confused with lacking sexual organs, being genderless or the biological term asexuality, which describes an organism that reproduces by itself without meiosis, ploidy reduction, or fertilization. See Truly Single Parent for characters who reproduce asexually.
The direct opposite of Extreme Omnisexual and frequently a victim of the belief that Good People Have Good Sex and Sex Equals Love. See also Celibate Hero and Chaste Hero. A possible cause of Married to the Job.
Likewise, some characters may be just too afraid of sex to actually seek it out.
Note: Only include someone if they are explicitly asexual, not assumed to be due to lack of shown attention. Also remember that while they overlap frequently in fiction, asexuality and having No Social Skills are not the same thing. No Fanon, please.
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Anime & Manga
Surprisingly for a popular mainstream shonen protagonist, Luffy from One Piece is asexual. The mangaka has gone on record as saying that he only takes part in the standard ecchi gags when Usopp's there to be a perverted influence and doesn't if his friends aren't around. Similarly to Sheldon, Oda explained it to the younger fans by saying that Luffy is only attracted to adventure (and possibly food). It's also worth keeping in mind that Eiichiro Oda has explicitly stated that there will be absolutely no romance in One Piece because "boys aren't interested in romance" so it's not surprising that Luffy takes no interest in girls.
Both Sasaki (self-identified) and Yuki Nagato from Haruhi Suzumiya. The latter is because she is essentially an organic robot created by an alien being of data, and largely unable to express emotion.
Sawada from Tekkonkinkreet states his lack of interest in women, and has commented "I'm frigid" and "never had an orgasm".
Ayuki from Kashimashi basically states that love is something she'd rather aesthetically appreciate from a distance. She's not interested in having relationships herself.
Lloyd Asplund, of Code Geass, resident Mad Scientist, proposes to Milly Ashford within moments of meeting her, but because he wants her family's Knightmare Frame designs. His assistant Cecile later explains that Lloyd doesn't even give a second thought to matters of the flesh.
Naozumi Sudo from Naru Taru is an Übermensch who explicitly states that human sexuality is of no concern to him.
Mitsuya from Migite ni Juu, Hidarite ni Ai specifically states that he is neither straight nor gay and has no response in sexual situations.
Count D from Pet Shop of Horrors is asexual in both the biological sense and the socio-psychological one. Due to being one of the last surviving members of a highly advanced race of supernatural beings that reproduce asexually to give rise to offspring that are identical to them in every way, D has no physical need for sex. Being quite attractive, he is pursued by both womenandmen (some of whom make their intentions glaringly obvious); but he treats all of them with indifference and sometimes outright cruelty, should they become too aggressive for his liking.
Ennis from Baccano! starts as a straight example, being an Artificial Human. It takes her fifty years of Innocent Cohabitation with Firo to reciprocate his feelings, and as of 2002 (read - seventy-two years) they apparently still haven't had sex (although it's also because they suffer from a severe case of Twice Shy).
Anri Sonohara of Durarara!! is a somewhat twisted example. She herself suggests she's merely incapable of discerning her own feelings towards others, and a very strong point is made that she's the way she is due to psychological trauma and subsequent dissociation. Later she appears to actually be developing romantic feelings towards Mikado. Complicating matters somewhat is the fact that should she grow capable of love, she will become vulnerable to possession by Saika.
Piccolo from Dragon Ball Z does not seem to understand the concept of romance, referring to it as "mushy stuff". Could be an extension of his role of The Stoic, but as a member of a hermaphroditic alien race who can biologically reproduce asexually, it's possible that a lack of interest in relationships is a trait that all Namekians share.
Word of God has also stated that Tien has no interest in romance.
Russia of Axis Powers Hetalia, when France makes a sexual advance on him, replies something to the effect of "I'm flattered, but I'm just never interested in that sort of thing."
Doctor Easter of Mardock Scramble was rendered asexual due to very involved ethics testing he was required to go through, ending his marriage. He thinks it makes him saintly.
Major Klaus Heinz von dem Eberbach of From Eroica with Love seems to fit this trope. Men are met with (sometimes violent) rage, and women give him the creeps.
In Big Finish Doctor Who, Davros (who gets tons and tons of Character Development) self-identifies as asexual and aromantic. There are hints that he may have been in love with his co-worker Shan, but he abhors the idea of being in a romantic relationship, so the point is moot.
Max from Sam & Max: Freelance Police openly states that he doesn't like girls. He doesn't seem to show any interest in guys either. At one point he even said that he views a sex drive as nothing more than a nuisance distracting him from his most favorite of things... violence. In one of the video games, a time traveling incident ends up reversing this and turning him into a Casanova Wannabe, but he's soon back to normal.
In issue #4 of Johnny the Homicidal Maniac, Johnny may as well have jumped out of the asexual closet. He implies there are multiple reasons that he avoids sexual intimacy altogether after being accused of rape, one of them being "See, I don't want to touch anything. I don't want to feel anyone because I don't care about anyone like that, and to touch it is disgusting for all of its emptiness". According to the later issues, he does have sexual desires, though (personified by "Reverend Meat", a Bob's Big Boy figurine he got as a present from an old girlfriend whom he lost his virginity to). He just represses them because he thinks they're unnecessary.
The Joker tends to be portrayed as completely uninterested in sex, only caring about his "jokes" and schemes. While he is willing to partake in sex, he only ever does as part of an Evil Plan, manipulation, or because he wants to make a sick joke about it. For example, one graphic novel has him rape the wife of one of his henchmen... as a fucked up way of making things "even" between the two after he saved the henchman's life during a robbery. The only person Joker has ever shown genuine sexual interest in seems to be Batman.
In Naruto Veangance Revelaitons, Sasuke is portrayed as asexual. While this would not normally stand out given how he appears to be close to this status in canon (one of the few things about his character the fic gets right), the author, who is of the belief that teenagers should have sex as early and often as possible, makes a special point of using him to bash asexual people.
Dave in Brainbent. It wasn't caused by his unfortunately sexualised upbringing (his brother had sex where Dave could and did walk in on him and left heaps of sex toys around the place) but it probably isn't helping the issues which were caused by it.
Hivefled: Eridan is repulsed-asexual and so terrified of having a cull-worthy abnormality that he slept with anyone who looked at him and convinced himself that the disgust and stress he felt was normal. Then told a rape victim so.
Gundam Storm: Athene and her fellow supersoldiers are asexual and have had their reproductive capabilities removed as part of their "modifications". Shane eventually realises that he is in love with Athene, but is convinced she can never love him back because of this.
In Empath: The Luckiest Smurf, all Psyches are forced to be asexual, since the Psyche Master handles all reproduction of the Psyches.
The fanfic Ace of Hearts focuses on Keima Katsuragi coming to realise he is heteroromantic, but asexual.
In Yet Again, Scabbard is highly implied to be asexual, and Orichimaru of all people essentially says as much.
In Perfume, the Villain Protagonist is obsessed with the scents of nubile virgins, though he has no sexual interest in them, or anyone else. He hires a prostitute solely for the purpose of an experiment to capture her scent.
The Dutch drama Love Life (also known as Stricken) has a serial womanizer named Stijn as its lead. Stijn narrates the film, and when introducing his best friend, Frank, notes that Frank's libido is exactly the opposite to his: "He's not interested in fucking. It exists."
Alan of The Hangover series is asexual, according to Word of God. He still manages to get married in the third film.
Brian Lackey of Mysterious Skin. He shows no interest in sex or romance, and seems repulsed when a female character abruptly tries to kiss, touch and undress him. Another character describes his "vibe" as "kinda weirdly asexual." His memories of the childhood sexual abuse responsible for this are strongly repressed until the end of the movie, as he believes he was abducted by aliens and not sexually abused.
The titular character of Amélie tried sex once or twice but was unimpressed.
π: Reclusive mathematician Max Renn isn't interested when his pretty neighbor constantly hits on him and doesn't seem interested in men, either. Due to his anti-social behavior, he is likely asexual. There are hints during one of his last hallucinations that he does yearn for a romantic connection to his neighbor, though.
Sherlock Holmes is directly stated to have no interest at all in romance or sex in Arthur Conan Doyle's original series of novels and short stories. Also, many copycats, "derived works" and even official adaptations try to make this aspect of his personality questionable, in order to appeal to a wider audience and introduce more drama into the equation. In most of the mainstream derived works, Irene Adler becomes Holmes's love interest. In the original story, however, this was never so. In fact, Holmes and Adler only ever meet once, and only very briefly. He hardly ever mentions her again in any other story either, mostly in passing as someone who beat him. While it's true he was interested in her, he seems more fascinated with her unusual intelligence than sympathetic or romantic. Presumably, because while she was not the first to outsmart him, she was the first woman to do so and in the Victorian era, women were not believed to be capable.
Sir Perceval, the heroine of Elizabeth Bear's Dust, is canonically asexual (although the word she uses is "celibate"). Perceval also uses "asexed", when explaining to Rian why she's not interested in her.
In Sheridan Hay's The Secret of Lost Things, the character Oscar is stated to have no romantic or sexual interest in anyone of any gender — unfortunately for the heroine, who's in love with him.
Tarma, one of the two female main characters in the Vows and Honor series by Mercedes Lackey, is magically bound to her goddess, and one of the consequences of this bond is that she feels no sexual desire whatsoever. (Her goddess is very into the whole Celibate Hero thing.) Though only of those sworn as warriors, due to her multiple aspects. Tarma also mentions to her partner that it should in no way stop HER from having many children, so to replenish her destroyed clan. Also notable in that, unlike most Swordsworn, Tarma allowed herself to become asexual in large part to deal with the trauma of having been raped by her clan's murderers. Later in life, she's simply become used to it.
Rachael Ghorbani, from John Ringo's Council Wars series likens her own asexuality to being color-blind or tone-deaf. She simply doesn't understand the attraction of sex and finds the physical implications revolting.
Played with in Bruce Sterling's Schismatrix, a Science Fiction novel - a group of asteroid settlers are all rendered asexual via a sort of chemical castration; The Hero agrees to turn off his sexuality in exchange for the settlers' diplomat amping hers up with drugs. This leads to an extremelysquicky sex scene. It also featured a brilliant explanation of sex as seen from the colonists' viewpoint: She asks him to put his finger in her mouth and asks, "How does that feel?", to which The Hero responds something in line of "Moist and uncomfortably intimate" - which is exactly how she would feel about sex.
Adele Mundy, from David Drake's RCN series, has "never been interested in mating rituals in either the abstract or the particular," and views the sexual obsession of most of the human race with bemused detachment.
Kevin, from the book "Guardian of the Dead" by Karen Healey, is an asexual.
Robert Merle's novel Death Is My Trade, based on the autobiography of Rudolf Höss, the commander of the Auschwitz concentration camp, portrays the protagonist (called Rudolf Lang in the book) this way. He gains more pleasure from polishing his boots than sex. He gets married and has children, but only because he feels that it's his duty towards his country.
Rudy Waltz, the protagonist of Deadeye Dick by Kurt Vonnegut, calls himself a "neuter". He has no interest in sex, and nobody even notices him, even though he'd be handsome if he took care of himself. He fantasizes about organizing a pride march for asexuals like himself.
Most (but not all) of the characters in Greg Egan's Diaspora are neuter by choice. (In his Oceanic and Schild's Ladder, everyone is hermaphroditic – in two different ways.)
Played for laughs in The Alphabet of Manliness, where Asexuality is judged as popping a boner while doing your math homework.
In the Culture novels, you have every variation of sexuality possible, including asexuality, present in the Culture citizens.
The "glorifieds" of the Left Behind series are that way due to the nature of their new bodies and minds.
The Halo books have the Spartans. One of the physical enhancements that the Spartans undergo at the age of fourteen suppresses their sex drive, and either the books don't really touch on it, or it's not important to Master Chief and his brothers and sisters. There is one Spartan named Maria who retired from the unit to raise a family, but still works as a beta tester for all their new equipment, so they probably aren't automatically aromantic. Strictly speaking, the damping of their sex drives is a common side effect of the hormonal alterations that the Spartans are subjected to. While this represents a decrease in drive, it does not necessarily eliminate that drive entirely, nor does every individual Spartan react to the treatment exactly the same way. While asexual Spartans are the norm, exceptions can be expected.
Lily Briscoe from Virginia Wolfe's "To The Lighthouse" is described as asexual by Margaret Drabble in the introduction to the Oxford University Press edition.
Jenny Fields from John Irving's "The World According To Garp" is an asexual nurse who is repulsed by sex.
Robert Howard's puritanical swashbuckler Solomon Kane expressly stated multiple times that he has neither the time nor the motivation to pursue or desire anything romantically or sexually. He needs only his trusty blade and wrongs to right!
In one of the Spaceforce novels, a character from the elaborately custom-driven Crystal Spires and Togas Taysan Empire is revealed to be asexual, along with the surprising fact that this sexuality is considered taboo in their society. To the extent the young man is blackmailed and Driven to Suicide over it.
Demons in the Bartimaeus Trilogy are asexual but certainly are aware that humans are not often asexual. They use this to their advantage as much as they possibly can, distracting or disturbing the magicians who summon them with various attractive forms that may or may not match the spirit's actual gender (insofar as they have one). Bartimaeus remarks at one point in The Ring of Solomon that his repertoire of forms is pretty well nothing but horrible monsters and pretty girls.
Clarissa Oakes, of the Aubrey-Maturin series, was incredibly surprised when she heard sex was supposed to be pleasant. It made her not realize just how serious a thing being molested by her guardian was until much later. Even once she's married, she only has sex because her husband enjoys it, and is puzzled by the idea of being uncomfortable being undressed in front of anyone. She has some rather interesting discussions about this with Doctor Maturin, who has some...unconventional ideas about sexuality himself.
In Tales of Kolmar, Akhor wondered for most of his life if he was this, but conveniently he ended up having Single-Target Sexuality instead. The mage Vilkas, though, is flat-out uninterested in everyone, once thinking that he probably should sleep with his attractive best friend just to make her happy, but being relieved when she interprets his lack of reaction to being touched as rejection and pulls away.
In the short story "You Can't Be Too Careful" by Ruth Rendell, Della Galway is asexual - "no spark of sexual feeling had ever troubled her."
"Boss Tweed", the antagonist of The Opiuchi Hotline is asexual and believes that it gives him an advantage in the rough-and-tumble world of Lunar politics. Asexuality in John Varley's Eight World stories is complicated by something most authors don't consider: In a clothing-optional society with Easy Sex Change "none of the above" is always an option, so judging someone's orientation from their configuration is pretty much impossible. At least two characters assume asexuality when they meet people without apparent genitals but both turn out to be wrong.
Dexter Morgan from Dexter is uninterested in sex, but willing enough to keep his wife, Rita, convinced that he's a normal man.
According to "Tale of Ragnar's Sons" (13th century), viking warlord Ivar the Boneless "had no children, because of the way he was: with no lust or love".
Tori in R. J. Anderson's Quicksilver has a scene where she comes out as asexual.
Sleepy is this in Glen Cook's The Black Company series. The novel that she narrates states this to chiefly be the result of being raped by her uncles as a child and never becoming comfortable with sexuality as a result. It's implied in the following novel that she may have slept with her close friend Willow Swan, but even then only once or twice, when rumor had them as an on-and-off couple.
M.C.A. Hogarth describes her Mindhealers duology as an "asexual romance story". Vasiht'h is a Glaseah, a species genetically engineered to have very low hormone levels, they usually reproduce by IVF with random donors or close friends (his parents were the latter, but still had twelve kits), and while actual romance is uncommon and sex almost nonexistent they have been known to form strong emotional bonds with either gender on occasion. Vasiht'h's roommate Jahir is an Eldritch, whose culture tries to suppress all sexuality and he has a crush on his cousin, which makes him try even harder at repressing his desires. Despite this Jahir and Vasiht'h become inseparable, to the point of forming a mindline.
Live Action TV
Data in "Star Trek: The Next Generation" is portrayed as having no sexual desire, due to him being an android. He participates in sex and attempts a romantic relationship, but this is portrayed as only done to accommodate requests or for the experience rather than a personal drive to do so.
The Big Bang Theory: Sheldon is asexual. Since Season three, his relationship with the possibly grey ace Amy Farrah-Fowler has developed her sexual urges and he has promised to slowly try moving into a physical relationship.
The Tick: While the cartoon series skirts the issue, the live action series from 2000-01 sharply juxtaposes the title character against the others as the only one completely free of sexual tension. The Tick's obliviousness to its presence in the people around him causes his sidekick, Arthur, at one point to deliver a tirade, and follow up his outburst with "No offense intended"; The Tick's response is "None comprehended". The actor, Patrick Warburton, who played The Tick, in an interview, said of his character "he doesn't seem to be sexually.... motivated". However, according to the comic he has an ex-wife named Cloris. Decades later the details were revealed: Cloris was also a Cloud Cuckoo Landerlike the Tick. They met at a costume party and Cloris was convinced that the Tick was just a guy named "Nick" and the two of them got married on a whim. The divorce happened because Cloris, weeks later, couldn't understand why "Nick" refused to take off his costume or become physically intimate with her.
Brass Eye: "Well, throughout tonight's program, we've had a naked asexual man up a stick, watching some pornography. Have you reached any conclusions?" *Asexual man shakes his head.* "Well, I hope that's been of some help."
Andy Hallett, the actor who played Lorne on Angel, was quoted as saying that while it was never officially established, the character was probably asexual.
Shortland Street, a New Zealand hospital drama with an entire arc devoted to Gerald becoming a self-identified asexual and how it affects his relationship with his girlfriend Morgan. The killer is when Gerald mercifully ends the relationship, and Morgan becomes enamored of anotherasexual man.
Rose from The Golden Girls never thought about sex before she was married. When her husband wanted to have sex for the first time, she didn't really understand sexual desire.
The Professor from Gilligan's Island is uninterested in sex or romance, and more than once has been oblivious to the charms of the two attractive female fellow castaways. In one episode he admits to Ginger that he never had a romantic interest in anyone.
Poppy from the show Huge comes out as asexual to George.
Kevin in The Black Donnellys . He's the only brother who does not seem interested in sex of any kind, and a random old dude in the neighborhood, when seeing him with Jenny, gives odds that she's not his girlfriend because he's never seen "a more asexual kid in his life" than Kevin.
In Robin Hood, Sam Troughton once stated that he envisioned his character Much as being asexual, even though the writers gave him a couple of Love Interests.
In an episode of House, a female patient specifically describes herself and her husband as asexual. It turns out that neither is actually asexual; the husband has a tumor that gave him low libido and erectile dysfunction, and the wife lied in order to be with him.
The actor who plays the main character in Sherlock, Benedict Cumberbatch, has stated that his version of Holmes is asexual. However, show creator Steven Moffat said the exact opposite. He said that his version of Sherlock wasn't asexual, just celibate and dedicated like a monk. He did have an intense connection to Irene Adler when she showed up, but it's simply attraction to Irene being seemingly the only person he can'tfigure out easily. Then, there's the ungodly amount of Ho Yay and Foe Yay he has with John and Moriarty respectively.
Community - in "Regional Holiday Music", glee club captain Mister Radisson is insistent on the study group doing the Christmas pageant, but they're actively resisting - Jeff citing the guy's 'aggressive asexuality'.
Averted in Elementary. When Joan first meets Sherlock, she passes a hooker (or, rather, she thinks the woman is a hooker) leaving his place. Sherlock then comments that sex repulses him but it is necessary to keep his mind clear (i.e. he has sex so he can avoid thinking about it and focus on solving cases). Later, Joan tells him that she doesn't think he hates sex. He's afraid of intimacy, hence the lack of serious relationships in his life. Sherlock doesn't disagree with her. In fact, later we see that he even occasionally engages in a Twin Threesome Fantasy (which proves both of Joan's points). Furthermore, back in London, he had a serious (and, presumably, sexual) relationship with Irene Adler, at least until she faked her death at the hands of Sebastian Moran (AKA M) in her capacity as Moriarty, turning Sherlock into a drug addict.
In Dexter, Dexter is asexual during the first few seasons. He must fake all of his relationships and finds sex distasteful. His girlfriends all dump him after having sex with him because of his cold detachment in the act. At the beginning of the show, Dexter likes the fact that his current girlfriend Rita is also asexual due to emotional scarring over a rape. Eventually the two break through their hangups and become enthusiastically sexual, even conceiving a son.
Game of Thrones: Varys claims to have been asexual even before he got castrated. He certainly has no interest at present, as he abhors what desire can lead to because so many people lust for power that is has lead to a huge civil war, although it may be his personal rationalization after the fact.
This song is all about asexual people... who don't want to touch butts.
Victoria Wood's song 'Pam' is about a woman who 'couldn't give a beggar on the whole sex front', despite the best efforts of various lovers (of both genders).
Zonker in Doonesbury has consistently been portrayed as avoiding romantic or physical attachments to the opposite sex like the plague, partly from fear and partly out of his immaturity and naivete. He had one sustained platonic dating relationship with a woman who, in one strip, humorously demonstrated to Mike and J.J. how even her most blatant and obvious "come on" lines flew over Zonker's head and didn't even register. ("It's like dating an elf!")
Jesus' teachings in the Gospels about those resurrected will "neither marry nor be given in marriage, but will be like the angels in heaven", possibly indicating that resurrected believers would not only not be able to reproduce, but will also not even have the desire for sexual intercourse. This is sometimes used by Bible students to argue the case that the "sons of God" in Genesis chapter 6 could not be angels, but rather be the children of Seth's lineage marrying those of Cain's lineage (the "daughters of men"). It could also be an reference to the idea that each and every angel was created as an unique act of creation by God. So likewise those who are worthy of resurrection will also each be an unique act of (re)creation by God. The arrangement of marriage was given to Adam and Eve and their descendants. These recreated humans are not really Adam's descendants in the biological sense as they where given life directly by God, not through Adam.
Space Marines in Warhammer 40,000 (depending on what you treat as Canon) are this; most have no interest in such after the hypnosis, chem treatment, and indoctrination that leaves little desire but for glory and success. The roleplaying games Dark Heresy and Rogue Trader both include the Chem Geld trait (Deathwatch also has it, but there is no way for a Space Marine to actually acquire it during gameplay except as an Elite Advance), which renders your character this. Many psykers start the game with it as part of their background package.
The Computer of Paranoia ensures all Alpha Complex citizens are asexual through mandatory hormone suppressants (creating them via cloning instead). Occasionally individuals learn to counteract the drugs, or hide the fact they aren't taking them, or end up on an extended mission Outside of the complex, and Hilarity Ensues.
In BattleTech, Clan warriors live by this. For them a proper warrior is a Trueborn warrior who is artificially grown in an iron womb; they mostly consider sex as a mere pastime thing, and romantic relationships mean little to them. For them a regular Freeborn is worth less than a Trueborn who are only fit for civilian roles.
Psycho Mantis, who expresses a general disdain of sexuality. And, being a mind reader, is somewhat disgusted to find how often people think of it. Played with and Flanderized in The Last Days of Foxhound, where Mantis is not only disgusted by sexuality, but females as a whole (going so far as to vigorously scrub any area a woman touches with a special soap). He also calls certain women (like Sniper Wolf) "Slutbucket". Though, specifically, it is the desire for procreation that disgusts him, not the desire for sex in and of itself, calling it (procreation) a "selfish and atavistic desire" that leads to war, and being horrified that nearly every living thing on the planet has been programmed by nature to want it, since from his point of view that means everything is a mindless drone. He might be speaking in broader terms as it being a symptom of a desire for immortality through ones works or children, since he thinks that he and Snake are Not So Different because they "have no past, no future. We live in the moment. Thats our only purpose.", and is somewhat relieved that Snake is unlike others in this regard.
Invoked with Meryl. When Snake is hitting on her, she claims that she's had psychological conditioning to suppress romantic feelings and sexuality. Either she was lying to get him to back off or they didn't do a very good job, considering she hooks up with him in the end, suggesting romantic feelings at least.
Snake himself has been sterile from birth and, while he does interact with women on missions, he always seems more focused on the mission than them. Any time he does hook up with a women he's back to being single again in the next game with things implied to have gone badly. His behavior is also contrasted heavily with his hetro (or bisexual) father Big Boss who freely check women out and has more blatant sexual encounters.
Miles Edgeworth in the Ace Attorney series. It's a Running Gag that almost every woman who meets him falls in love with him instantly or will at least make mention of how handsome he is. Expect Edgeworth to either a) be completely oblivious, b) express confusion, or c) exhibit discomfort about the whole thing. At no point does he ever indicate an attraction to a woman (In fact, he managed to ignore both April May and Dalia Hawthorne's charms. He's the only male character to do so); the same goes for men. He's Married to the Job. The only human beings in which he indicates any specific interest of any kind whatsoever because of who they are as an actual person, rather than because of their relation to whatever case he's currently working on, are Phoenix Wright (due to his Worthy Opponent status), Franziska von Karma (due to her being his paternal adoptive half-sister and also a Worthy Opponent), Detective Gumshoe, and maybe Maya Fey (he shows concern every time she is in any kind of danger). It has been confirmed that Edgeworth has no interest in women; it doesn't rule out the possibility of men but he shows no interest in them either.
Appearing in Pokémon Ruby and Sapphire onwards, Legendary Pokémon who are not genderless are nevertheless uninterested in breeding at the Day Care with anyone. Examples: Latias; Latios; Heatran.
Agent 47 of the Hitman series of games is normally portrayed to be asexual, though there are some good reasons- number one, he is a clone engineered to be the perfect killer, and two- he has almost no social interactions with anyone at all except for Diana. Of note is a scene in the first game in which 47 rescues a Chinese prostitute from a brothel in Hong Kong. When thanking him, she kisses him goodbye- to which he actually recoils in disgust.
Interestingly, in the third game, which consists of 47's flashbacks of past missions, addled quite a bit with his own subconscious, his reaction to the prostitute's kiss is a pleased grin, which is the only time he is seen smiling. So perhaps he's not asexual, but simply too socially awkward to show his sexual side. He also rarely receives any gratitude for his work, for obvious reasons. It may be that he is just pleased to receive some positive human interaction, or it could be both.
In the film, however, he is not so much grossed out by sex as he is simply disinterested. When the Hooker with a Heart of Gold tries making time with 47 at one point, he calmly sticks her in the neck with a sedative and quietly returns to his business.
The salarians in Mass Effect are an entire species of asexuals. They have no comprehension of romantic love, sexual attraction or even the biological impulses (ie: arousal). Sexuality is not hormone-based and is strictly for reproduction; they negotiate contracts around it and attaining a good contract is a high priority for males, but this is out of familial and social duty. However some occasionally find themselves strangely drawn to the Asari, one of them is profoundly affected by watching Thane Krios, and Mordin, who gets hit on constantly and assumes Shepard is doing the same, lets them down gently by saying that if he wanted to try human, he'd try Shepard. A very memorable overheard conversation between a salarian and his asari daughter does show that they can form long-term deeper bonds, but asari reproduction doesn't need to involve sex. Further evidence of their capacity for affection can be found in Mass Effect 3, in which several salarian extras on the Citadel can be seen visibly comforting a few human women and asari.
Shale is repulsed by the very idea of sex, with its exchange of bodily fluids, which is played out in an conversation with Zevran if you have them both in an active party. Zevran being the horny fellow that he is, has a hard time contemplating the idea of anyone not being interested, and thinks Shale is in denial. Somewhat reinforce with Shale's accidental confession that she enjoys watching Sten and his muscles in battle.
Qunari do not believe in taking romantic partners and only engage in sex for reproduction purposes. At least, that's what their religion says. Iron Bull in the third game is pansexual, and Word of God is that those living under the Qun (not always converts, mind you) occasionally...stray, and need to be reeducated by their cultural/religious police/leadership. The Qunari are not exactly the most laid-back group.
Cole, in third game is a completely asexual character, being a childlike spirit/demon-thing.
Razah from the Guild Wars MMO could be considered aromantic. He doesn't understand the complexities of human emotions like love and probably wouldn't be interested in relationships other than friendships. Also, he was created out of the Mists without genitalia or a belly button, which might be intended to indicate that he doesn't have any sexual desires.
Suggested with Virginia in Magical Diary - she repeatedly insists she's not interested that way in anyone, male or female. Even if you manage to enter into a romantic relationship with her (which isn't easy), at the end it comes out that she'd really rather just cuddle.
Grey is...: Black is asexual, since childhood he's claimed to have no interest in girls. He does however intend to be a Dad, his plan is for White to marry a girl and give him the kids.
Ellipsis in the Web ComicSaturnalia is asexual, although she prefers calling herself a nonsexual. "I don't like using the word 'asexual'... It makes me sound like a sea-sponge or a lizard of some sort."
Grey from Inhuman is described by the author as asexual. It's probably something to do with the military conditioning.
Collin in Friendly Hostility has described himself as asexual (particularly while he was a Boy Meets Boy character), but it turned out he was wrong (and gay, instead). He just dislikes people.
Initially ambiguously implied and later confirmed of Erin in Girls with Slingshots; her romance with Jamie is stated to be more about cuddling than sex. A later storyline returns to this topic when Jamie suffers from sexual frustration, putting strain on their relationship. This eventually gets resolved by their deciding to have a semi-open relationship, leading to a new wrinkle with Santa 2013.
The creator of The Dreamer has stated that Samuel Warren is asexual.
Gina in Leftover Soup is demisexual, she doesn't understand how anyone can be attracted to someone they don't know, though apparently the people currently trying to set her up with Jamie haven't heard of that term. And due to her religious beliefs she holds asexuality as an ideal.
Ultracar from Shortpacked! was always nauseated by human mating, and remains asexual even after switching from a talking car to a Robot Girl.
Ace from Kimchi Cuddles is asexual and biromantic.
In the web-novel Fragile, Severin is asexual (although not aromantic, as the story is about him falling in love). We find out in its sequel, Perpetual Change, that it may be the result of being sexually abused by his sadistic aunt as a child. One of the other characters in the story, Helen, turns out to be asexual as well (and aromantic too, according to her).
Kelsey in City of Angles has been confirmed by Word of God to be somewhere on the asexual spectrum. She has a mostly sexless romantic relationship with her boyfriend, although she is sometimes sexually attracted to him.