"Come over here and sit on yer uncle's lap!"
A version of the Dirty Old Man with some incest thrown in — a character who has a rather excessive and unhealthy attachment to their niece or nephew. Oddly, it's a rare subtrope to Evil Uncle since many are just evil and a threat to their nieces and nephews for different reasons.
- A less perverted (but still just as creepy) example occurs in a Clorox Bleach commercial, where a teenage girl walks in on her uncle wearing her bathrobe, and enjoying it a little too much. Her robe was probably not the only thing she needed to bleach afterwards.
- In Tsukigasa, after Azuma's mother (his uncle's sister) dies, Azuma's uncle rapes him because he resembles her.
- In Vampire Knight, Rido, Yuuki's parental and maternal uncle, pursues his teenage niece who is the spitting image of her mother. What makes him even creepier? According to Yuuki's memories, he had come for her multiple times when she was seven.
- Mikoto and Mei's uncle Mayu from Mei no Naisho, who left the family when he was young "because there aren't any cute little boys". Cue him meeting his nephew.
- Bleach: As a parentless child, Haschwalth's sole caretaker was his uncle. He first meets Bazz-B while under a lot of pressure to hunt down a rabbit before he goes home to his uncle. His uncle catches up to him and addresses him in a very eerie and uncomfortably affectionate manner that instantly kills Haschwalth's enthusiasm over making a friend. When Yhwach culls the local Quincy population, it's implied that Haschwalth is not upset by his uncle's death.
- Yokoshima-sensei of Seitokai Yakuindomo is a Creepy Aunt, who has on several occasions shown interest in her nephew (who is in elementary school). As far as we know, he's oblivious, though his parents definitely don't approve.
- In Chris Rock's comedy special, Bigger & Blacker, he talks about how your uncles prepare you for life due to all the subtypes of uncles there are (e.g., the gay uncle, the alcoholic uncle, and so on). This bit naturally includes an anecdote about how "Everybody's got that one molester uncle."
"GET THEM KIDS! GET THEM KIDS! HURRY UP, GET THEM KIDS! DON'T YOU LEAVE THEM WITH YOUR UNCLE JOHNNY! DON'T YOU LEAVE THEM WITH YOUR UNCLE JOHNNY!"
- Jim Jefferies has a skit on meeting your relatives in heaven, including "uncle who used to touch me". How did he get up there? He used to work for the church.
- In one Spider-Man comic, Spidey tells a kid worried about molestation about a kid who was molested by an older friend. He then ends with saying that that kid was him (Peter). The older friend looked suspiciously like Uncle Ben, and there is an Urban Legend that he was originally supposed to be Uncle Ben. Yeah.
- In Daken: Dark Wolverine, Daken's psycho ex-boyfriend Marcus once attached himself to the Los Angeles criminal organization known as the Pride, to the point where Chase Stein knew him as "Uncle Eli". He was kicked out after the Steins caught him literally hovering over Chase's bed while the boy slept, though apparently he never actually molested Chase.
- This is mentioned in a popular version of Les Misérables which is often shown in schools. To be more specific, Jean Valjean goes to get Cosette from the family taking care of her. Infuriated that they treat her as a servant, he demands that she be allowed to play. After they tell her to go play, the couple asks him if "Monsieur would prefer that she play on his lap."
- This trope is mentioned in the "name your cliché" speech from Con Air about Billy Bedlam and his motivations for the murders that sent him to prison:
Garland Greene: He's a font of misplaced rage. Name your cliché; Mother held him too much or not enough, last picked at kickball, late night sneaky uncle, whatever. Now he's so angry moments of levity actually cause him pain; gives him headaches. Happiness, for that gentleman, hurts.
- Frank from Hellraiser. Initially, his main target of interest was Kristy's stepmother, with whom he had an affair. However, he eventually tires of her, and is shown to later set his sights on Kristy, whom he even mentions has "gotten beautiful." He later tries to rape her, and in the sequel, tries again... and gets a bit further when she kisses him to distract him.
- In Slumber Party Massacre III, the killer is hinted to have had an incestous relationship with his uncle.
- Felicia from The Adventures of Priscilla, Queen of the Desert describes sabotaging a creepy uncle in childhood. "Get your mum, Uncle's stuck in the plug hole!"
- The direct-to-video horror spoof Jack Frost (1997) (not to be confused with the Michael Keaton family comedy of the same name) had the story of killer snowman Jack told by one of these characters to his niece (no incest, though). Even though the girl is American, the uncle is apparently British.
- A deleted scene from Home Alone revealed Frank to be (possibly) one of these, as he gets enjoyment out of pulling Kevin's pants down. Which would be ironic, since in the sequel he accuses Kevin of being an inversion of this, calling him a "nosy little pervert" for recording him singing in the shower.
- Uncle Charlie from Stoker is one of these, though less overtly sexually than most, and he's awfully concerned with his niece India being "of age". Too bad that's not the biggest thing wrong with him.
- There's a gender inversion in the French film, Lila Says, wherein the title character is abused by her Creepy Aunt.
- One of the subplots in Monsoon Wedding involves an uncle who abused the bride's cousin Ria as a child and now she's worried that he's doing the same thing to an even younger cousin.
- Erol in Mustang fits the trope.
- William 'Bill' Gartley in The Mangler fits this trope.
- Evie in 13 was molested by her uncle, reason why he ended doing seven years in jail. Probably the explanation of why she behaves like she does (drugs, sex, etc.)
- Baron Harkonnen from Dune, who wants to molest both his nephew and his grandson. And when his memory-ghost or whatever-it-can-be-called takes control of his granddaughter's mind, SHE gets pretty squicky too. He's also pretty evil, but (per the trope) is not an Evil Uncle. Weird, eh?
- In Mercedes Lackey's Brightly Burning, when Lavan bitterly remarks that his mother wouldn't believe that kids from good families — like the older kids at school — would be bullies, Lavan's fellow student Owyn shrewdly makes a few observations, culminating with a cut-off remark about "slick uncles" that act friendly to little kids.
- A Song of Ice and Fire's Petyr "Littlefinger" Baelish qualifies; his protegée Sansa Stark, on whom he's made frequent advances, is technically his niece since he married her maternal aunt, Lysa Arryn. Made even creepier by the fact that he is trying to pass her off as his daughter... while calling her by his mother's name, no less
- Bridget Jones has one - although he isn't actually her uncle, just a pervy family friend. He's eventually revealed to be a closet homosexual, but this doesn't stop him making advances on her.
- Karen/Charis's uncle in The Robber Bride takes this to its most logical, horrible extreme, continually raping her when she moves into his house aged nine. The abuse only stops when she starts puberty. He's creepily affectionate around other people and during the assaults, making it even worse.
- In The Sookie Stackhouse Mysteries, Sookie's great-uncle Bartlett. When she tells Bill about this, Bill kills him.
- There's a variant in Confessions of Georgia Nicolson with Georgia's older cousin James, who unsubtly hits on her, and even attempts to grope her while staying the night at her house.
- One of the Teenage Worrier books has cartoons of annoying relations of Letty, including an uncle leering at her while commenting on how much she has grown since he last saw her.
- Jeannette Walls' uncle in The Glass Castle is one of these. After he attempts to molest her, she refuses to continue going to his house to bathe, even though she has no other access to running water.
- Pete from Alfie's Home. He molests the title character for months.
- The Ayn Rand Expy in Illuminatus!, Atlanta Hope, is a cold rationalist anorgasmic woman who, secretly, longs to experience a sexual climax with somebody or something. In her back-story, it is revealed that a creepy uncle sexually molested her when she was twelve, exploiting her sexual ignorance.
- In Warrior Cats, Clan cats are only allowed to breed with cats inside their own clan. This inevitably causes distant incest to occur sometimes. Ashfur is the half-brother of Sandstorm. Ashfur fell for Squirrelflight, Sandstorm's daughter and thus his niece, but it was unrequited. Ashfur then proceeded to try and kill Squirrelflight's mate and her kits.
- Game of Thrones: Although his attraction to Sansa is not new, Littlefinger's marriage to her maternal aunt Lysa in "First of His Name" makes him her literal uncle. She's also pretending to be his biological niece as well, so he's creepy uncle squared.
- Buck Henry's "Uncle Roy" character from the earliest seasons of Saturday Night Live.
- Charlie's Uncle Jack from It's Always Sunny in Philadelphia. That guy is waaaaaaaaaay too into having Charlie "show on the doll" where his old coach supposedly touched him. It's also been mentioned that he was always trying to wrestle with him when he was a kid. Charlie is very uncomfortable, even as an adult, with the prospect of sharing a bedroom with him (preferring to be homeless instead). It's definitely implied that the man is attracted to children (he tries to defend child pornography while on television at one point) and he may have at least tried to molest Charlie as a kid.
- Sookie's great-uncle Bartlett in True Blood. Like in the book series, Bill kills him in revenge for what he did to Sookie. Sookie later learns that Bartlett had left her everything he owned in his will.
- J.D. and Carla in Scrubs each seem to have had one who came to their ballet classes and said, "Keep dancing, pretty girl."
- Merlin. Shades of this pop up in one of the early Agravaine eps of season 4... he doesn't actually molest anyone, given it's a family show, but he really gives the indication of wanting to try something with Gwen. Who, of course, will be his niece one day even though she isn't yet.
- Troy in Community pretends to have one of these in order to gain sympathy from Britta and his drama class.
- In an Inside Amy Schumer sketch, Amy goes to a psychic and asks her to summon the spirit of her grandmother; however, the psychic only manages to summon the spirit of Amy's creepy uncle, Randy.
- Eastenders had Kat and Zoe Slater, supposedly sisters but in fact mother and daughter, Kat having been raped by Uncle Harry (presumably her father's brother, since his surname was also Slater)
- In the Very Special Episode of Family Ties called ",Give Your Uncle Arthur A Kiss", Mallory deals with a friend of her father's who she's known for years, but is now making advances to her, frightening her.
- Profit: Nora Gracen was molested by her uncle Arthur McClane when she was a little girl. When Jim Profit learns of this, he uses McClane's crimes to sabotage a covert takeover of the Gracen company orchestrated by McClane and Nora's husband by convincing her to confide this secret to her husband. Jim later presents Nora the opportunity to get revenge by feeding McClane allergic food and giving her the choice to let him die in front of her or call the paramedics. She chooses to watch him choke to death.
- Part of the backstory of Evelyn Evelyn is that, whilst living at an orphanage that was actually a cover for a child pornography and prostitution ring, the twins were regularly visited by a large number of "uncles." The girls were too young to understand what was really happening, but the proprietress of the orphanage kept up the pretense that the "uncles" were actual blood-related uncles whom the "nieces" had a duty to take care of.
- Tommy, an opera by The Who, includes the songs "Do You Think It's Alright", in which Tommy's parents discuss leaving the deaf and blind boy with Uncle Ernie, and "Fiddle About", in which Uncle Ernie describes himself as wicked before undressing Tommy and "fiddling about".
- The play How I Learned to Drive is a Family-Unfriendly Aesop version, as the play and the protagonist are inclined to sympathize with the uncle that molested her (and taught her to drive).
- William Shakespeare's Richard III tried to marry his niece Elizabeth. He's primarily interested in her claim to the throne, but his plan creeps everyone else out.
- William Shakespeare arguably has one with Pandarus in Troilus and Cressida — he seems a little too interested in hooking up his niece, Cressida with sex partners.
- Astrid of the Dark Brotherhood from The Elder Scrolls V: Skyrim had one of these, who became her first kill.
- Grand Theft Auto IV parodies this trope via radio-commercial for a show named "My Drunk Uncle".
- In Grand Theft Auto V Trevor will say “Who’s your creepy uncle now?” while receiving services from a prostitute. Though it's very much averted with his adopted niece and nephew (Michael's children), to whom he plays the role of Cool Uncle.
- Gamlen Amell in Dragon Age II has shades of this. If female Hawke romances Isabela, he asks them for details and apparently makes a few inappropriate comments that even Isabela finds uncomfortable. In Mark of the Assassin DLC, Hawke's sister Bethany reveals he has been sneaking into her room at night. She think he does so to find some coin among her belongings, but the matter is never really resolved.
- Oscar Masan from Gone Home is the uncle to Katie's father, and certainly creepy. His old house, which he lived in alone for twenty-one years, has plenty of hidden passageways, leading to rumors of ghost hauntings after his death. Letters and journals found in-game imply that he was also a morphine addict that sexually molested his aforementioned nephew.
- Ryotaro Dojima in Hiimdaisy's "Big Long Persona 4 Comic" gets turned into this and it is hilarious.
Ryotaro : No need to be so formal! I've seen you NAKED.
- Psycho for Hire Morcai's back story in The Challenges of Zona includes an "Uncle Buddy" who was clearly one of these. He also uses "Uncle Buddy" as a generic term for child molesters, which are a Berserk Button for him.
- Played with in Homestuck. Doc Scratch is Mistaken for Pedophile in a conversation with thirteen-year-old Rose Lalonde. In an attempt to convince her otherwise, he inadvertently compares himself to one of these. And since he was partially formed from a robotic copy of Rose's biological father, he technically actually is her uncle.
Doc Scratch: Try to think of me as one of your kindly human uncle figures. In fact, if I were in your presence now, I would offer you candy to prove it.
- MareInternum has Dr Mike Fisher, who appears to have long-term psychological problems connected to having been molested by an uncle during his parents' divorce
- At the end of her "Enchanted Christmas" review, The Nostalgia Chick revealed she had one of these when she was a kid. Played for Laughs, naturally.
- Played for Drama in Demo Reel, as Rebecca Stone had an "Uncle Frank". She's dealing with it, but anger at her parents for making her spend time with him comes out when she's under the influence.
- Cracked has a variation of this in "5 Things I Learned as a Sex Slave in Modern America". In the article, the interviewee mentions her parents, the ones whoring her out, would refer to their clients as her "uncles".
- II Superwoman II: Lilly occasionally brings this trope up, but it's unclear whether or not she's being serious. For instance, in her video, "Annoying People at Parties."
Lilly: If I wanted the theme of my party to be "creeper," I would've invited all my uncles!
- South Park:
- The Venture Bros.:
- The Monarch, missing his family connections, tries to bond with his captives, Hank and Dean, with fresh baked cookies and taking their ineffectual fighting as good-natured roughhousing. The boys are overjoyed to be rescued, Hank claiming Monarch "was getting all 'creepy uncle' on us!" (Which, if you were really digging for clues, could imply Doc Venture and The Monarch are brothers?)
- Sgt. Hatred is a variation as well. He is first mentioned by Hank in a passing reference to the guy being so creepy that Dean has repressed the memories of being his prisoner. Later he shows up as Doctor Venture's new arch-villain, but a few legal complications about how close he's allowed to be to any "beautiful young boys" come up here and there (the look of panic on his face when he shows up and the Doctor is running a day camp for preteen boys is priceless). Part of his eventual Heel–Face Turn involves taking a special serum that suppresses those impulses, so he's not an actual threat anymore, but now he LIVES IN THEIR HOUSE, and is still pretty creepy from time to time...