The 14 Creepiest Brother & Sister Duos

Photo: Courtesy of Columbia Pictures.
Last week, we learned that Cruel Intentions is getting a TV reboot and will therefore finally answer the question: What if Sebastian and Annette had a child? (Answer: We shall see.) But we have another question, too: In an age in which movies calmly and deliberately establish themselves as the platform for strange, unique, and/or downright disturbing sibling behaviour, was the dynamic between Sebastian and his stepsister really that taboo? Can they really compare to the sibling relationships in other movies?

Answer: yes. (Although, not because of their sexual chemistry, we promise.) Some of the most interesting movies have been based on various siblings' eccentric natures, or more specifically, on those siblings’ abilities to scare us to death. So with Halloween in mind and the legacy of '90s films in our hearts, here’s our roundup of cinema’s strangest blood bonds.

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Photo: Courtesy of Legendary Pictures.
Crimson Peak (2015)

In Guillermo Del Toro’s gothic romance, we meet siblings Thomas (Tom Hiddeleston) and Lucille Sharpe (Jessica Chastain) whose creepy house and creepier dynamic lead to the eventual undoing of anybody who knows them (as well as the psychological undoing of anybody watching the movie). I mean, naturally, we’re not going to spoil a film that only came out a few weeks ago, but we’ll still say this: Never go with your new husband and his sister to an isolated, condemned mansion on a hill four hours out of town. Especially if it’s clearly brimming with ghosts.
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Photo: Courtesy of Marvel.
Avengers: Age of Ultron (2015)

In the words of Maria Hill (Cobie Smulders) and her official debrief, twins Wanda (Elizabeth Olsen) and Pietro Maximoff (Aaron Taylor-Johnson) can be described easily: “He’s fast and she’s weird.” After surviving a childhood bombing at the hands of Tony Stark (or more specifically, his weapons), the twins join forces with Hydra and are experimented on, eventually becoming weapons in their own right. With only each other as allies, Pietro evolves into the super-quick Quicksilver, while Wanda becomes the Scarlet Witch, a powerful being who can tap into her enemy’s minds and manipulate objects. The good news? Eventually, we at least root for them.
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Photo: Courtesy of Warner Bros.
Practical Magic (1998)

The Owens family legacy is a sad one: Because of an old curse, any man who dares love an Owens woman is doomed to die. Unfortunately, the love between Gillian Owens (Nicole Kidman) and her boyfriend Jimmy Angelov (Goran Visnjic) isn’t the real deal. And after he kidnaps Gillian and her sister, Sally (Sandra Bullock), the two kill him, raise him from the dead, and then kill him again — all before he begins haunting their home, possessing Gillian, and eventually leading Sally to confess to the crime before having to exorcise her other (sisterly) half. (Obviously a must-watch for witch devotees everywhere.)
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Photo: Courtesy of Columbia Pictures.
Cruel Intentions (1999)

For the record, the dynamic between Sebastian Valmont (Ryan Phillippe) and Sarah Michelle Gellar (Kathryn Merteuil) isn’t weird — they’re step-siblings, so if they want to hook up, that’s fine. What is weird is their obsession with bringing other people down. First, they sabotage a young woman named Cecile (Selma Blair) and her relationship with a man named Donald. Then, they set their focus on Annette Hargrove (Reese Witherspoon), whom they subsequently bet on: If Ryan can’t make Annette sleep with him, Kathryn gets his car. If he can, he’ll get to sleep with Kathryn. (Or, they could just sleep together anyway, considering they both want to?)
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Photo: Courtesy of Disney.
The Lion King (1994)

In which a king (a lion king, thank you) is killed by his jealous brother (named Scar), who wants to inherit the throne. Like King Lear, but with far few family members and many more wild animals. None of us will ever look at antelope stampedes the same way again. (Or at all.)
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Photo: Courtesy of MGM.
The Man in the Iron Mask (1998)

It’s a tale as old as time: Jealous of his (beautiful) twin brother, France’s evil King Louis XIV (Leonardo DiCaprio) imprisons him in an iron mask upon inheriting the throne, thus hiding his lovely, angel-like, gorgeous face. (Which is also the face of Leonardo DiCaprio — so you can see where we’re going with this.) Obviously, this creates some familial tension, especially after The Other Brother™ teams up with the Three Musketeers to switch himself out and imprison King Louis in his stead. The sibling rivalry hits an all-time high when it becomes pretty obvious that one of the twins has to die.
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Photo: Courtesy of Lifetime.
Flowers in the Attic (2014)

Granted, it’s not the fault of any Dollanganger sibling that the dynamics of the Flowers in the Attic family are upsetting at best. Following the death of their father, the family — broke and without anywhere else to go — moves to their grandparents’ house, where they’re abused and forced to hide in the upstairs attic. Upsettingly, having nowhere else to go for years leads to an unhealthy dynamic between the four children, but — spoiler alert — they eventually escape.
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Photo: Courtesy of Warner Bros.
The Shining (1980)

Honestly, it just wouldn’t be a strange/weird/interesting famous-fictional-siblings list without the appearance of the murdered Grady twins (Lisa and Louise Burns) who haunted the Overlook Hotel and infamously invited Danny (Danny Lloyd) to come play with them forever and ever. (No, thank you.)
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Photo: Courtesy of Lucasfilms/Disney.
Star Wars (1977)

We know, we know: Luke (Mark Hamill) and Leia (Carrie Fisher) had no idea they were twins before Luke’s crush on his sister inspired him to hop, skip, and jump over to the Imperial Starship, where he rescued her from Darth Vader and friends. We also know that she didn’t know they were twins when she kissed him on the cheek following said rescue. But still: Nobody should’ve waited until the last scene of Return of the Jedi to tell Han Solo, who thought he was getting in the way of true love.
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Photo: Courtesy of Warner Bros.
Ocean’s 11 (2001)

Probably one of the most underrated aspects of Ocean’s 11 is Virgil (Casey Affleck) and Turk (Scott Caan) Malloy, whose unique and alienating dynamic create the stuff of comedic dreams. But their antics are also completely necessary in distracting everybody around them, which is why their go-to move is exactly that. I mean, how can you successfully survey a casino when two grown men are shouting, “Balloon boy!” near the slots?
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Photo: Courtesy of Paramount.
The Addams Family (1991)

The unique aspect of the relationship between Wednesday (Christina Ricci) and Pugsley Addams (Jimmy Workman) is that the rest of us would never, ever be accepted by them. As the products of their (very cool) parents, the two maintain an insular dynamic that allows them both to be themselves and put family above all else. Kind of like Louise and Gene and Tina in Bob’s Burger’s today — minus Louise’s bunny ears, naturally.
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Photo: Courtesy of Julijette.
Perfect Sisters (2014)

Nobody here is about to comment on how you should or shouldn’t handle addiction or watching a member of your family hurt herself and the people around her. But we are going to say that, unlike Beth (Georgie Henley) and Sandra Anderson (Abigail Breslin), you should probably not kill your mother if she an alcoholic person who keeps bringing home bad boyfriends. Just don’t do it. That’s not what being “perfect sisters” means.
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Photo: Courtesy of See-Saw Films.
Shame (2011)

A lot happens in Shame. First, we learn that Brandon (Michael Fassbender) is a sex addict. Then, we learn that he has a sister named Sissy (Carrie Mulligan), with whom he endured something terrible back in Ireland. But her unannounced visit to the U.S. is no lovely reunion: She calls Brandon out for his addiction, he shames her for her own sexual behavior, she hurts herself, and it really only continues from there.
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Photo: Courtesy of Columbia Pictures.
The Other Boleyn Girl (2008)

Don’t worry: We know that The Other Boleyn Girl isn’t a completely historical account of the court of Henry VIII, so that’s why we’re including it here. In the 2008 dramatic re-telling, Anne Boleyn (Natalie Portman) sets up her sister, Mary (Scarlett Johansson), when she learns how much Henry VIII (Eric Bana) is into her. Mary ends up being locked away, while Anne works to replace her. And despite her plan eventually working, it ends up going south when Anne is charged with incest after being overheard trying to seduce her brother (Jim Sturgess). And the rest, as they say, is history.
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