"Jump. Or Toothless here gets an early trip to the dentist!"
In true 80s throwback fashion, Stranger Things has a boatload of these, especially in the first season. Terrifying as it is, you can't hate the Demogorgon, as it's basically just a predatory animal fulfilling its survival instincts and while Vecna is a truly vile villain, he's also powerful, enigmatic, and cool. Fortunately, the human characters are more than willing to step up to the plate as targets for the audience's hatred.
- Lonnie, Joyce's It's All About Me ex-husband. He shows very little interest in either Jonathan or Will, except when it comes to making them do things they don't want to do (like forcing Jonathan to go hunting when he was younger) and only feigns concern when his son goes missing, not even bothering to return a panicked Joyce's calls. He does turn up in time for Will's funeral, playing the role of a grieving father and helping Joyce through her grief. It's discovered that he only is trying to get back in Joyce's good graces to inherit the money from the wrongful death lawsuit he is planning to file to pay off his debts.
- Troy and James, who torment the four main kids to the point of forcing Mike out of pure spite into jumping off a cliff with the threat of cutting out Dustin's teeth if he didn't, a situation that would have most certainly led to his death had it not been for Eleven. The only people upset when Eleven snaps Troy's arm like a twig are the people who think that it wasn't punishment enough. Troy also makes fun of Will for supposedly being gay and calls the African-American Lucas "Midnight". The comic "The Bully" however goes in a different direction by providing Troy a Freudian Excuse through his abusive father and showing that his friendship with James is genuine.
- Connie Frazier. She isn't a Big Bad like Brenner, yet somehow is more detestable than him. Not only murdering Benny in cold blood (a very unnecessary murder), she is more than willing to kill the Party. And for bonus, she is also a Bitch in Sheep's Clothing. Yep, nothing about what's Beneath the Mask are remotely sympathetic or cool.
- Neil Hargrove, Billy's abusive father, is one of the most despicable adults in the show. He is one of the reasons for Billy's repugnant behavior, and is also an incredibly hotheaded, aggressive man. He forced Billy to take up baseball when he wanted to be a surfer because he believed that non-competitive sports were for weak people. He physically attacked his wife when he suspected she was unfaithful and it's implied he's not much better with his new wife. When Billy gets dressed up for a date, Neil berates him with a homophobic slur and slut-shames his date. Season 4 makes him even worse (where he doesn't appear in flashbacks either) when it's revealed his reaction to his son's death is to ditch his family, causing Susan to work 2 jobs to support herself and Max. To reinforce this further, Max admits life has improved for her after Neil left the family.
- Tommy and Carol, these stone-hearted teen-lovers bullied Jonathan and Barb, peer pressure Nancy into bad things, tease romance between her, Jonathan, and Steve, and graffiti her a "slut" publicly. They’re also perfectly willing to spread rumors (and worse, genuinely believe) that Jonathan killed his own brother.
- Stacy, a girl in the same year as the Party. In season 2 she rudely shot down Dustin at the school dance, which he did not take well. In season 3 she reestablishes herself as unlikable when she sneers at Eleven and Max for no particular reason. Eleven then uses her telekinesis to cause a drink to burst in Stacy's face for a laugh.
- Mayor Larry Kline is every single Sleazy Politician stereotype imaginable rolled into one, and then multiplied by three. And it works, so, so well. Even when every other scene he's in has other people getting the better of him, it's hard not to watch Hopper threaten to cut his fingers off and Joyce kicking him in the balls and think that he got off easy.
- Bruce, a journalist at the local paper is shown to be little more than a smug, sexist bully. Anytime Nancy has a suggestion, he laughs in her face and tells her to get back in the kitchen. When Nancy gets chewed out by their boss, he kicks her when she's down. It's nothing short of cathartic when he becomes a slave to the Mind-Flayer, which gives Nancy a justifiable reason to beat the shit out of him.
- General Ozerov. Though he only has a major role in one episode, every second that he's onscreen oozes pure loathsomeness, having his men brutally beat Steve and threaten to torture Robin even after it's painfully obvious that they're telling the truth about not being spies.
- Grigori. Seriously, the Mind Flayer is more recognizably human than this guy. He literally does not ever do a single thing that is not hatefully evil, and can't even summon up the humanity to buy a box of fucking Twinkies without violently interrogating the poor cashier. About the only time you'll feel sorry for Larry Kline is when Grigori nearly strangles him to death just because Kline says that he hasn't found Joyce and Hopper yet. This would all be bad enough on its own, but what really pushes him past "Dumb Muscle" into pure, unadulterated evil is when he shoots Alexei dead at the fair - when he wasn't even helping the Americans out at that moment, he was just enjoying the Carnival games! - and practically sneering "Traitor." His intervention leads directly to Hopper's ambiguous death when Grigori attacks him and Joyce, and the only complaint anyone will have about Hopper throwing him into a spinning Turbine Blender is that it was over too quickly.
- Two. He’s a nasty piece of work who believes he's the best "test subject" out of all the other kids, constantly bullies El because he sees her as weak and doesn't understand why Dr. Brenner wastes his time on her, and at one point plans to kill El because he got punished by Brenner for breaking the rules and assaulting El when he thought no one was watching him.
- Angela, the Alpha Bitch at the school Will and Eleven go to. The girl immediately establishes herself as nasty by mocking El for the crime of speaking fondly of her dead father. When her posse bully El in broad daylight, a nearby teacher immediately catches on and hauls her off to the principal. Angela blames El for her own comeuppance and publicly humiliates the poor girl even further while reminding her once again that Hopper's dead (as far as she knows). All of this makes it incredibly easy to cheer when Eleven breaks her nose with a rollerskate.
- Her boyfriend Jake is just as disgusting, being the one to throw Eleven's drink on her in the middle of the roller skate ring and make her fall to the ground.
- Colonel Jack Sullivan is a corrupt, hypocritical, and paranoid military official who uses Insane Troll Logic to think Eleven is doing the Hawkins murders, even when the last ones happen when she was a few kilometers away from the town. He sends agents into the Byers house to kill protagonists (who are minors) and then tortures a man for information. Despite Dr. Owens attempting to reason with him, he orders for Eleven to be killed off anyways and never even considers the possibility of being wrong.
- Andy is a basketball Jerk Jock who, unlike Jason and Patrick, has zero redeeming qualities whatsoever. He makes an insensitive joke upon learning of the first murder, joins the Witch Hunt while expressing glee at the chance to hurt Eddie, mocks Lucas several times for little reason and pins Erica to the ground before threatening to break her arm.
