In 1066 and All That, King John, by murdering his little nephew, becomes "the first memorable wicked uncle" in English history.
The uncle from Babes In The Wood, who hires two thugs to kill his nephew and niece so he can be rid of them and reap his dead brother's fortune.
The Black Witch Chronicles: In stark contrast to her brother Edwin, Vyvian Damon is a power-hungry member of the Mage Council of Gardneria who will do anything to keep her seat and wholeheartedly supports fascist theocrat Marcus Vogel in his reign of terror. She's interested in using her niece and nephews as weapons to increase the country's power, and tries to make Elloren's life at university as uncomfortable as possible so she'll marry the Ambiguously Evil man she's picked out for her. After Rafe and Trystan get arrested and later run away, she forces Elloren to marry Lukas Grey while being held down by armed guards after having Edwin, who was already sick, beaten to the point of death so she becomes Ren's legal guardian.
The Chronicles of Narnia: Miraz from Prince Caspian, and Digory's Uncle Andrew in The Magician's Nephew. Andrew gets slightly better, Miraz doesn't and dies. Miraz only becomes one once he has his own son, though. Before that he was happy for Caspian to be his heir, or at least content since it was better to have Caspian as the heir than a stranger.
Percy Jackson and the Olympians: Zeus is this to Percy. Zeus is angry at Poseidon for breaking the Pact of the Big Three by fathering Percy (despite being revealed to have been fathering not only one but two demigods himself), so Percy is warned never to take a plane flight lest Zeus try to kill him. Hence why Percy always does his quests on foot. He is also this to Nico and Bianca di Angelo, since it's revealed that Zeus killed their mother Maria di Angelo and would have tried to kill them as well, if not for Hades being a protective dad.
The Heroes of Olympus: After his mother's death, Leo Valdez was denied shelter by his aunt Rosa, who shipped him off to foster care instead. Rosa also blamed him constantly for Esperanza's death, calling him El Diablo ("the Devil") for it.
In A College of Magics, one of the obstacles Faris must deal with on the way to inheriting the Duchy of Galazon is a wicked and scheming uncle. It turns out he's not the one sending assassins after her, though, if only because he needs her alive a bit longer until his own plans mature.
The Cosmere: Edwarn Ladrian from Wax and Wayne is this to his nephew Waxillium. At first, he tried to raise his nephew as a worthy (in his eyes, meaning ruthless) heir of the family fortune, but Wax rebelled and ran away. Later, he will stop at nothing, up to killing his nephew — who in turn just wants to bring him to justice for his crimes.
Red's Uncle Richard in Juliet Marillier's Daughter of the Forest. He's so determined to get his hands on Red's land by marrying him to his daughter that he tries to murder his younger nephew, whom his daughter actually loves, then tries to murder the heroine when she foils his plans by marrying Red.
In The Alchymist's Cat, a prequel to The Deptford Mice, Will Godwin, a young boy in 17th century England, loses his family to smallpox. Shortly afterward he is invited to London by an uncle Samuel whom he has never met. Samuel never shows up at their meeting place and Will's traveling companion is murdered by a pair of thugs. Now stranded in the unfamiliar city, Will is found by a cruel alchemist called Dr. Elias Spittle who forces him to work as his assistant. After a few years, Will discovers that Spittle was his uncle Samuel all along. He lured the boy to London so he could claim the family inheritance and delighted in treating his nephew like a slave.
Laharl’s aunt Yasurl from the Disgaea novels wants him off the throne because he is half human. If Laharl don’t step down she would prefer him dead, so she tries to have him assassinated.
Don't Care High: Downplayed with Aunt Nancy, an overbearing and inconsiderate person who (along with her daughters, to a lesser extent) makes her extended family cater to her every ridiculous whim no matter how much it disrupts their lives and has Paul wash the dishes at his own birthday celebration. She only has a minor effect on the plot, though, and never seems consciously aware of how unpleasant she can be (which isn’t helped by Paul’s mother being an Extreme Doormat around her without the slightest hesitation or complaint).
Inverted in Dragon Bones; Ward's father (who dies at the beginning of the novel) was abusive and an all-around jerk, while his uncle, Duraugh, is a quite decent person, who tries to convince himself that he doesn't want castle Hurog (which Ward is going to inherit). He does want it, but it's not his fault, everyone who grew up there is attached to the area, it's a place of magical power. In the end, he doesn't get in the way of Ward inheriting it.
Baron Harkonnen from Dune is evil and an uncle, but he's surprisingly not a straight example of this. He's well aware of his own mortality and he wants to raise a worthy heir to the Harkonnen name. Since he's gay and he has no desire to father children of his own, he looks to his nephews instead. He's still willing to throw his nephew Glossu Rabban to the wolves to help his other nephew Feyd-Rautha Harkonnen's rise to power.
Arguably, this is an inversion—he is in fact the maternal grandfather of Paul Atreides, i.e. his sworn enemy; he's more evil to his own (unwitting) progeny than to his nephews. Admittedly, the Bene Gesserit did essentially blackmail him into giving his genes...
Elemental Masters: Book 2, The Gates of Sleep, has Arachne Chamberten, aunt of heroine Marina. In part due to jealousy from not inheriting any of the powerful elemental magic that runs in her family, she teaches herself black magic and attempts to murder her niece, and does kill her brother and sister-in-law.
In the Enchanted Forest Chronicles, the Right Honorable Order of Wicked Step-mothers has a male auxiliary for Evil Uncles.
The one who appears in person is Prince Rupert of Meriambee, a Card-Carrying Villain who's really quite fond of his nephew Prince Jorillam but has to do something wicked to keep his membership in the Wicked Stepmothers' Travelling, Drinking and Debating Society (Men's Auxiliary). (Jorillam, by the way, knows all about this and constantly encourages his uncle to abandon him in the forest so he can have adventures.) So the solution is: abandoning him in the woods is not wicked, because he wants it. Send him to school instead!
Esperanza Rising: Esperanza's uncle Tío Luis burns down the ranch after Esperanza's mother refuses to marry him. Even after they flee, he continues to spy on Abuelita, and something bad happening to her because of him worries Esperanza for much of the book.
Inverted in Fate/Zero, where Sakura's adoptive uncle Kariya sacrifices his life in an attempt to save her from her adoptivefather and grandfather.
Isaac Asimov's Foundation Series: "The Mayors": Prince Regent Wienis often gives advice to his nephew, King Lepold. Some of the advice has been to attack Terminus, and sometimes he hints that the Hunting "Accident" which killed King Leopold's father might have been arranged and the same could happen to Lepold if he doesn't go along with Wienis's plans.
In "Gentlemen, the King!" by Damon Runyon, the plot against the boy king's life originates with his uncle, who is next in line to the throne.
Prince Robert, the brother of the King of York in the Goosebumps book A Night in Terror Tower, usurped the throne by killing the rightful king and queen before arranging to execute their children, Edward and Susannah of York, the time-displaced Eddie and Sue's real identities.
Here Comes Santa Claws, the second of the two Christmas Episode books in the Graveyard School series, had Kyle Chilton dealing with a so-called evil great aunt looking after him for a few days before Christmas. This is a subversion in that said aunt hadn't actually done anything to him yet when she arrived, and Kyle was acting like a spoiled brat because he thought she was going to "ruin his Christmas". Which makes all the magical havoc she wreaked on him justified. Of course, it's implied that she's the distantly related great aunt of numerous children and she enjoys causing a little holiday mischief on the ones who cause trouble unprovoked. Her name, Mab, is a reference to the fairy queen Mab, so it seems only natural that she would be a Karmic Trickster.
Coryn from Guardians of Ga'Hoole was raised by his mother Nyra to believe that Soren was this, having killed his father Kludd. But a later vision tells him of the inversion of this trope: Kludd was trying to kill Soren (who was conflicted about whether to kill Kludd to end the war or not) only to be killed in return by Twilight. After finding out the truth, Coryn rejects the harsh ideals of his father and accepts the truth about his uncle, seeing Soren as more of a father figure.
Uncle Vernon and Aunt Petunia were both abusive to their nephew, Harry. His bedroom for all but one of the first ten years of his life was the cupboard under the hall stairs and barely gave him any freedom. genderflipped in that instead of the father's brother and his wife, we have the mother's sister and her husband. Both have been abusive and cruel to the child that needed a home and a family, their own nephew each for their own reasons. With Petunia, she somewhat did love Lilly deep down but chose to focus all of her envy and resentment on Harry instead of any of the positive emotions, while with Vernon it's just pure hatred of his nephew and an unhealthy amount of bigotry that motivates him to abuse Harry to the point that it may as well be For the Evulz .
Also genderflipped with Gormlaith Gaunt, the maternal aunt of Isolt Sayre. Gaunt was a descendant of Salazar Slytherin and believed in pureblood families. When Isolt (herself a pureblood descendant of Slytherin by way of her mother and of the witch Morrigan by way of her father) was very little, Gaunt attacked and murdered her parents (for daring to be nice to their Muggle neighbors) and took the girl to raise her in her own twisted views, telling Isolt that she was rescuing her from some other attackers. Eventually, Isolt learned the truth. She also desperately wanted to attend Hogwarts, but Gaunt forbade it, claiming that the other three founders distorted Slytherin's original vision for the school by allowing Muggle-born wizards and witches to attend. Isolt eventually fled across the pond to the American colonies and settled in the wilderness, befriending a Pukwudgie, a short creature related to goblins. She later adopted two orphaned boys, whose wizard parents were slain by another creature, and fell in love with a Muggle (or No-Maj) settler (an unintentional "screw you" to Gaunt). When Gaunt learned that her niece started a new school in North America and married a Muggle, she secretly crossed the ocean and tried to slaughter the entire family, except for Isolt's infant twin daughters, whom Gaunt was planning on raising herself. The family was saved by the Pukwudgie Isolt had befriended earlier, who killed the evil witch with a poisoned arrow.
Another evil aunt example is Bellatrix Lestrange. Besides being one of Voldemort's most loyal Death Eaters and a former prisoner of Azkaban, she successfully killed her niece, Nymphadora Tonks, during the Battle of Hogwarts, whom she already hated due to being the daughter of her "blood traitor" sister Andromeda and later marrying the werewolf Remus Lupin.
Cutter Amberville in I'll Take Manhattan, who is really pissed off because he wasn't born first compared to his "perfect" brother. Thus, he proceeds to knock up his brother's wife, molest his niece a little, cheat on his own wife with her sister (causing her to kill herself), and that's what he gets up to before he starts re-enacting Hamlet.
In the I, Richard Plantagenet Series Edward V understandably sees his uncle, Richard III this way. In the novel, Richard is right about the boy being illegitimate and on top of that, he's a Royal Brat, but Richard understands why the boy hates him. Richard did disinherit him on a technicality, after all. Richard doesn't have Edward murdered, but Buckingham does. And Richard sees to it his nephew is given a proper burial near his royal father and with the servant boy who died with him.
Jane Eyre gives an interesting case of this. Jane's aunt is a Wicked Stepmother in all but name, but both of Jane's uncles in the book are portrayed as nice, charitable men, including the evil aunt's husband and another that left Jane an inheritance.
Kidnapped by Robert Louis Stevenson has Ebenezer Balfour, uncle of protagonist David, a miser who plots to murder his nephew. When that fails, he arranges to have him sold into slavery.
Beause collecting billions from his Evil Plan is somehow not enough, Dr. Anton Murik in Licence Renewed plans to assassinate his ward, a daughter of his half-brother, for her inheritance.
Marissa Meyer's The Lunar Chronicles, which is a retelling of the Cinderella story, uses an "evil aunt" as a plot twist. Towards the end of the book, the heroine, Cinder, learns that the wicked Queen Levana, who has been trying to entrap Prince Kai, is her mother's sister.
In The Mad King by Edgar Rice Burroughs, Prince Peter is regent to his nephew, the boy king Leopold. He has Leopold locked away, announces that the boy has lost his wits from grief at his father's death, and attempts to set himself up as Regent for Life.
Magnus Chase and the Gods of Asgard: Magnus Chase's uncle, Randolf, sides with Loki against him, because Loki promises to bring his dead family back. Thanks to a family dispute, Natalie Chase also raised Magnus to distrust his other uncle, Frederick, hence why he is not close to him or Frederick's daughter, Annabeth.
Fanny Price of Mansfield Park is sent to live with her mother's sister's family when she's ten years old. Although her uncle Sir Thomas Bertram is stern and intimidating, he's still a decent man who cares about his niece as much as his children. Her mother's other sister Mrs. Norris, on the other hand, could give Jane Eyre's Mrs. Reed a run for her money in the Cruelest Evil Aunt category.
Miss Honey's aunt Trunchbull in Matilda, who not only abused her throughout her childhood, but also allegedly killed her father, Magnus.
Oddly Enough: Jamie's uncle in "Homeward Bound". He's actually an evil wizard, who's captured and killed unicorns, taking their horns for his own purpose and forcing them into human shape afterward.
Swedish writer Simona Ahrnstedt gives us Wilhelm Löwenström in Överenskommelser. While even his treatment of his own children has been awful in the past, he now has his niece Beatrice as his favorite victim. He abuses her for five years, to the point of bullying her into marriage with a man, who's like forty years older than her and treats women like dirt under his shoes. Wilhelm's attempts to break Beatrice down into becoming a subservient woman includes threats, nearly starving her to death and direct physical violence.
Phenomena has an interesting take on this where Tarkan is actually the Chosen Ones' adoptive father Sha-ra's younger brother Mentor, making him pretty much this. Interestingly does he take a Heel–Face Turn to help out when Sha-ra dies to make up for his sins.
The Reynard Cycle: Corvino, the Countess Persephone's uncle by marriage, is perceived to be this by many people. Persephone herself believes that he was the source of the numerous attempts on her life over the years, in order that he might inherit her title. Turns out it was actually her cousin, Celia, who wanted her dead.
The Saga of the Faroe Islanders: For personal gain, Thrand of Gotu participates in the murder plot against his own cousins Brestir and Beinir, and sells their sons Sigmund and Thorir into slavery, thus setting off their life-long conflict. When Sigmund returns to the islands triumphantly, Thrand fakes remorse and tries to capitalize on his blood ties to Sigmund to escape punishment, but weasels out of the peace agreement as soon as the opportunity presents itself, and again plots against Sigmund. Thrand's behaviour contrasts with that of Sigmund, who spares Thrand's life twice on account of their kinship, even though he knows Thrand feels no such compunctions.
The uncle of Uhtred in Bernard Cornwell's Saxon novels stole his title and fortress.
Closely done with the Elf Maeglin in The Silmarillion. While not Earendil's uncle, he is the cousin of their mother Idril, who he desires. During the Fall of Gondolin he attempts to murder the 7-year old Earendil and take Idril, but her husband Tuor throws him off the walls. Interestingly enough Maeglin also technically counts as an Evil Nephew, as his betraying Gondolin leads to the death of its King, his Uncle Turgon. It is thought Maeglin's attempt to kill Earendil may be partially resentment that it ruins his chances of succeeding Turgon and anger that his cousin married a man, who he thought little of.
As far as most of the Seven Kingdoms are aware, King Joffrey has a whole parade of Evil Uncles: the usurpers Renly and Stannis Baratheon, the "twisted little monkey demon" Tyrion Lannister, who is eventually convicted of Joffrey's murder, and the bloodthirsty Jaime Lannister. The subversion is that none of them are actually evil uncles: The Baratheons aren't really Joffrey's uncles since Joffrey wasn't fathered by Robert Baratheon, Tyrion actually cares for his nephew (at first), Jaime is also Joffrey's biological father as well as his uncle and, while not a straightforward hero, is a far more morally complex character then he first appears, Stannis is trying to take the throne out of his sense of duty. Renly may play this slightly more straight as he was planning on overthrowing Joffrey while thinking they were his nephew, though ironically despite being the most villainous of this four he is the most well-liked, partially because he died before he could dethrone Joffrey and it is believed his ghost helped defeat Stannis. And while none of the four are saints, Joffrey is much more evil than all of them put together, with Jaime even thinking that Joffrey deserved to die and Tyrion, though knowing Joffrey's younger brother Tommen would probably be a better king, will not kill Joffrey despite Joffrey delighting in tormenting him.
Played with slightly more with Stannis. At one point, he considers burning one of Robert's illegitimate children, Edric Storm — his nephew — because, according to the Sorceress Melisandre, Edric's kingsblood will enable Stannis to raise a dragon. Stannis is encouraged in this by one of the uncles of his wife Selyse, Ser Axell Florent, even though Edric is also one of Axell's great-nephews (Edric's mother, Delena, is the daughter of Axell's brother Colin). Stannis does eventually seem to come round to the idea of sacrificing Edric, but he is clearly very reluctant, only agreeing as he feels it's his duty to become king and promises Melisandre that she'll die if this fails. Thankfully, his loyal adviser Davos Seaworth smuggles Edric away before Stannis can go through with this.
Downplayed and played straight in Theon and Asha Greyjoy's case. Their uncles Aeron and Victarion are no more evil than any other Ironborn, don't have any particular grudge against their niece and nephew, and are fanatically loyal to their father Balon. Aeron does oppose Asha inheriting the Seastone Chair after Balon's death despite Balon's wishes, but this is because of his religious belief that a woman can't sit the Seastone Chair. Their uncle Euron, on the other hand, raped one brother's wife and is heavily implied to have molested the other as a child. When he wins the throne of the Iron Islands, Asha makes sure to be as far away as possible as quickly as possible, on the advice of her favorite uncle Rodrik Harlaw, who knows she threatens Euron's power. We hear that among the Ironborn it is not unusual for an uncle to dethrone and murder a weaker nephew. Similarly, we hear that Tristifer Botley's father, Lord Sawane Botley of Lordsport, was drowned by Euron for refusing to support their claim, and Lordsport was given to Tristifer's uncle, Germund.
Arnolf Karstark's great-nephew (and liege lord) Harrion is taken hostage by the Lannisters in an attempt to force his allegiance. Instead, he declares against the Lannisters, not out of defiance but in the hope that Lord Harrion will be executed, leaving Harrion's sister (Alys Karstark) the heir so Arnolf's son Cregan can forcibly marry her, making himself the Lord of Karhold. And then, for good measure, Arnolf plans to betrays his sworn king Stannis Baratheon as well. Cregan can also count as this trope since Alys has always referred to him as her uncle and they are referenced as uncle and neice in-universe (he is actually her first cousin once removed). Cregan wants to forcibly marry Alys to become Lord of Karhold and Alys fears he'll kill her once she's given birth to an heir, so she runs off to the Wall, where Jon Snow marries her off to a wildling lord.
From the early Targaryen dynasty was Maegor the Cruel, son of Aegon I Targaryen. After his half-brother Aenys died, he claimed the throne, beheaded the Grand Maester who dared to call him out on this, killed two of Aenys's sons (the eldest, Aegon, Maegor personally killed on the battlefield; the second, Viserys, was kept at court as Maegor's squire/hostage to ensure his mother Alyssa Velaryon's good behaviour, only to be tortured to death for information on Alyssa's whereabouts when she fled King's Landing) and married one of Aenys's daughters Rhaena (who also happened to be Prince Aegon's widow). He was thought to be the cruelest Targaryen King until Aerys II over 200 years later. The youngest son of Aenys, Jaehaerys (who was only 14 at the time), led a successful rebellion and Maegor died mysteriously before Jaehaerys reached King's Landing, many thinking Maegor killed himself with the Iron Throne—or that the Iron Throne somehow killed him.
Viserys II was suspected of having his well-liked nephew Baelor the Blessed poisoned. However, it looks more likely Baelor died from his excessive fasting. Also, Viserys was the one really running the Seven Kingdoms as Hand of the King during their reign as his nephew's excessive piety meant he wasn't an efficient King, and Baelor may have intended to try converting all the Seven Kingdoms, which would have caused trouble with the North and the Iron Islands.
Visenya Targaryen is suspected of having her nephew and stepson Aenys (due to Aegon marrying both his sisters) poisoned so her son Maegor could succeed ahead of Aenys' sons.
Happened during "The Dance of the Dragons", a civil war between two branches of House Targaryen from the two marriages of Viserys I. Hostilities really began when one of Rhaenyra's sons, Lucerys Velaryon, was killed by one of Rhaenyra's half-brothers, Aemond Targaryen, even though Lucerys had come as a messenger. For this Lucerys' stepfather Daemon Targaryen had Jaehaerys, one of Aegon II's sons and his half-nephew by marriage/great-nephew (he had married his niece Rhaenyra) killed. Later Daemon and Aemond killed each other in battle (Daemon's body was never found but it is very unlikely he survived). Aegon, the oldest surviving son of Rhaenyra, was kept hostage by his half-uncle Aegon II after he had Rhaenyra eaten by his dragon. When the war began turning against Aegon II, he ordered his nephew's ear to be cut off, though was poisoned before this could happen, meaning his nephew became Aegon III.
Brynden Rivers "Bloodraven" plays with this. When one of his half-brothers Daemon Blackfyre rebelled against their legitimate brother Daeron II Targaryen, Brynden slew Daemon and his two eldest sons, Aegon and Aemon, with his arrows, though as they were rebels trying to overthrow the King and Brynden was supporting the King this could be justified. Later, at a Great Council to determine succession after the death of Daeron's youngest son Maekar I, another of Daemon's sons, Aenys, tried to make a claim. Bloodraven offered him safe conduct, but when he was in King's Landing Brynden had him executed. The new King, Maekar's youngest son Aegon V, exiled him to the Wall for this, not because of who he'd killed but because he'd broken the word of the Iron Throne.
Tywin Lannister's grandfather Gerold became Lord of Casterly Rock after the sudden death of his brother, Tybolt, and shortly after Tybolt's daughter, Cerelle, died, meaning he was suspected of murdering them.
Cersei Lannister is an Evil Aunt to Stannis' daughter, Shireen. To counter the claims that Cersei's children are born of incest (which they are), she drums up Malicious Slander that Shireen is the illegitimate daughter of Axell Florent (her great uncle) or Stannis' fool Patchface.
Lysa Arryn is revealed to be this in A Storm of Swords. Not only was she an accomplice in Littlefinger's ploy to destroy the Seven Kingdoms, she nearly kills her niece Sansa Stark because she thinks she will take him away from her.
Split Heirs: Prince Mimulus, alias the Black Weasel, is already plotting when the story ends to assassinate his niece, newly crowned Queen Arbol. Given that she's popular and well defended, he sees this as a nice challenge.
In Sophia House by Michael D. O'Brien, Great-Uncle Nicholas is a pedophile, who molests his six-year-old great-nephew, the protagonist. Also, a Creepy Uncle.
Jason Compson from The Sound and the Fury. He is cruel to his niece Quentin (as well as to almost everyone else) and he has been stealing the money her banished, suffering, hard-working mother Caddy sent for her, without having even the excuse of being poor.
In Stardust, The Reveal is that the scheming and fratricidal Seven Princes of Stormhold were actually Tristran's uncles. Although they're not the primary villains.
In Lewis Carroll's Sylvie and Bruno, the Sub-Warden, Sibimet, is the title characters' uncle, and is trying to take control of Outland from their father, the Warden (his brother).
Subverted in Tom's Midnight Garden, with the Kitsons. Tom is bored and miserable, at first, when he must stay with his aunt and uncle, and he wishes they were evil so he could be justified in running away. The same book features an Evil Aunt in Grace Melbourne, who terrorizes and emotionally abuses her niece, calling her a monster and a charity-child.
Song of the Lioness: Duke Roger of Conté is technically Prince Jonathan's cousin, but Jon calls him "Uncle". Roger poses as a Cool Uncle, but is actually an Evil Sorcerer hell-bent on murdering his aunt, uncle, and cousin to become king. And after he Comes Back Wrong, he decides to try and destroy the entire kingdom.
Beka Cooper: In Mastiff, although Prince Baird is not the leader of the conspiracy trying to overthrow his brother King Roger, he's still willingly involved in it, which includes the kidnapping and enslavement of his four-year-old nephew Prince Gareth.
Thantos and Fredo DuBaer of T*Witches. Fredo kills his brother Aron, the father of protagonists Alex and Cam. Thantos tries killing his nieces multiple times, and tries to marry their mother. In the movies (TV movies on the Disney Channel), there is no Fredo; it is Thantos who kills Aron, along with trying to kill Alex and Cam.
In Joseph Sheridan Le Fanu's Uncle Silas, the heroine is made the ward of her Black Sheep uncle after her father dies; her father believed that Silas was a reformed man, and wished to give him an opportunity to prove himself. Unfortunately, it turns out her father was wrong, and Uncle Silas attempts to murder her so her inheritance will pass to him.
Until We Meet Again: This is a big reveal in this book. Lawrence's uncle, Ned Foster, had apparently racked up gambling debts that he's unable to pay off. In desperation, he made a deal with the Cartelli family. They would help him out of his situation, and in return, Ned would give them Lawrence to act as their lawyer. To that end, he started pushing Lawrence into a relationship with Fay, a member of the Cartelli family, in hopes they'd fall in love. When that doesn't work out, he gets so angry he decides to kill Lawrence.
Warhammer 40,000: In Dan Abnett's Gaunt's Ghosts novel First & Only, Gaunt's "Uncle Dercius" is not a real uncle, and does his best to look out for Gaunt. However, in the end, this was because Gaunt's father had died because of Dercius's cowardly flight from battle.
Wings of Fire: Tsunami's uncle Shark is a commander in the SeaWing army, and he's very grouchy and aggressive. So much so that Tsunami suspects that he might've been the one to kill most of Queen Coral's daughters so that he could get the throne. This is eventually subverted, for despite his aggressive attitude, Shark ends up fighting loyally for the Sea Kingdom when under attack.
Wonder Woman: Warbringer: Michael Santos, Alia's godfather and Theo's father, is set up to appear as this. He's a Red Herring, deliberately set up by Jason, and at the end there's nothing indicating that he's actually a bad guy.
In the second half of Wuthering Heights, Heathcliff becomes this to his niece-by-marriage Catherine Linton, whom he imprisons at Wuthering Heights and forces to marry his son to solidify his claim to her dying father's property.
Seen near the very end of The Last Unicorn. With the main plot resolved, Schmendrick and Molly are on their way out of Haggard's realm when they encounter "the Princess Alison Jocelyn, daughter to good King Giles, and him foully murdered by his brother, the bloody Duke Wulf..." She goes on to explain that her uncle not only killed her father, but also took her three brothers captive in order to force the princess to marry his son; she managed to bribe a guard and escape, but needs help to save her brothers and reclaim the kingdom. Schmendrick gives her his horse and sends her in the direction of Haggard's son, whom he knows needs a new quest, adding that "I send all my princesses to him."
