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A character or thing who has most of the tropes underneath it as spoilers. Mentioning anything about this character/thing at all — worst case scenario, this includes its name or even its existence alone — will often reveal spoilers about the work they feature in, which predictably makes talking about it difficult. Some fans reconcile this by using euphemisms, others by avoiding talking about it at all, others just by placing a warning that the following will contain massive spoilers.

Can overlap with It Was His Sled, if the work in question is old or culturally engrained enough that pretty much everybody already knows about the various plot twists. Often will overlap with Sir Not-Appearing-in-This-Trailer if the marketers don't decide otherwise.

Also, this is not about characters that are involved in many plot twists but the mere existence of the character within the narrative is a spoiler itself, that makes it impossible to talk about the character without spoiling the plot.

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Note (1): This is a Spoilered Rotten trope (on character pages), that means that EVERY SINGLE EXAMPLE on this list is a spoiler by default and most of them will be unmarked. If you don't know what that means, then you should probably take a good look at the page image for reference. It'll all become clear.

Note (2): On Character Sheets, this trope is only allowed in a folder that reads "spoiler character", common policy here is simply to leave all of that character's spoilers unmarked within the folder, but isolate the folder with a massive spoiler warning. If you read the trope outside of such a folder, it's a good indicator that it's a shoehorned example and you should probably remove it.

Note (3): This trope currently has a huge problem with misuse. Tropers fail to realize that this trope has in fact a very narrow definition. If you can talk about a character in the most basic sense (i.e. name, basic profession, basic relationship to the hero etc.), even if everything else is a spoiler, it's still not an example and you should remove it. A huge part of the examples just falls into the following categories:

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  1. any characters that are involved in a plot twist, especially if the spoiler part is rather hard to explain
  2. any case of First-Episode Spoiler (a plot twist that happens very early in the work)
  3. many cases of Late-Arrival Spoiler, Trailers Always Spoil, It Was His Sled and similar tropes
  4. any character with a secret identity or secret motives, even if this is established in the exposition.


Examples:

    open/close all folders 

    Comic Books 
  • Batman: Clayface tends to be one due to his powers of impersonation.
  • In Death of the Family, everything about Harley Quinn in this storyline is a spoiler.
  • The main villain in Doctor Who: Prisoners of Time is impossible to mention by name, due to his identity as short-lived Ninth Doctor companion Adam Mitchell.
  • The Doctor Who (Titan) Eleventh Doctor Year Two comics have two very major examples: the first being the never-before-seen Time War Master who appears in the story, and the second being that apparent companion the Squire is actually a shapeshifting Dalek mutant and the story's real Big Bad.
  • In Hack/Slash, the fact that Big Bad Akakios is actually the hero's love interest Samhain, due to a case of Amnesiac Dissonance.
  • It's pretty much impossible to discuss Invincible without spoiling that Omni-Man, the protagonist's father, isn't a Superman Expy so much as a villainous advance scout for a race of alien conquerors.
  • Talking about the current Loki after events of his adventures in Journey into Mystery is near impossible without dropping massive spoilers, since his entire motivation and personality stems from the fact that the final issue of Journey Into Mystery, the original Loki obliterated the young, innocent Kid Loki, taking over his body. (but he feels pretty guilty about it, despite that he's still trying to be a good guy now) If you try to get someone to read Young Avengers or Loki: Agent of Asgard, you pretty much have to tell them that they need to read Journey Into Mystery first, because any storylines following Journey Into Mystery WILL spoil the ending out of necessity since it is a hugely defining moment for the character.
  • Due to its unique structure, it is impossible to even describe the premise of the Judge Dredd storyline "Trifecta!".
  • It's impossible to talk about The Mice Templar without either mentioning that Pilot the Tall was Evil All Along, or that he survived his alleged death in Issue 6 and resurfaced as one of the comic's main villains.
  • Mighty Morphin' Power Rangers: Shattered Grid is impossible to fully explain without revealing that Lord Drakkon killed his heroic counterpart Tommy Oliver, the Green Ranger, at the end of the very first issue of the storyline.
  • The identity of Nightmare Moon II in the second story-arc of My Little Pony: Friendship is Magic (IDW), so much that we can't refer to the Big Bad of the Arc by the name she's introduced with without spoiler tags!
  • Try to talk about Xari's role in Paperinik New Adventures without revealing he survived the fall of his planet and started to work for the Evronians to capture Xadhoom (his ex-girlfriend)to protect the survivors of his race.
  • Very nearly everything about Elijah Snow's personal history in Planetary ends up central to the plot and backstory. The big, big reveal? He's the Fourth Man and the founder of Planetary.
  • In Ravages of Time, it's impossible to post any pictures of Sun Ce or Sun Quan without spoiling two key plotlines in the story: Sun Quan is the blink-and-you'll-miss-him kid next to Shan Wuling in Volume 6 who reappears and is revealed twenty-seven volumes later, while "Sun Ce" was actually an impersonator whose real name was Ling Cao and his supposed younger cousin Sun Fu was actually the real Sun Ce under a pseudonym, and the Sun Clan character sheet does not obscure their identities.
  • Spider-Man:
  • Superwoman has Lois Lane, who is actually a Decoy Protagonist and is killed off in the first issue.
  • Just try to explain the original concept of Thunderbolts without revealing the twist.
  • Frank Wolff, a character in the Moon Arc from the Tintin series, has more white under his name than anyone else on the Characters page. This is because he not only turns out to be the one responsible for leaking information about the rocket to the mysterious foreign power but also winds up being an atoner who saves the heroes by killing the Big Bad's proxy and then throwing himself out into space (thus ensuring that they'll have enough oxygen to make it back to Earth).
  • It is impossible to talk about Bombshell's role in The Transformers: Robots in Disguise without giving the main twist in the first season. This is because he is seemingly killed by Prowl, only for him to return ten issues later, where it is revealed he actually Prowl into a mind controlled proxy for Megatron's scheme. Bombshell is then killed shortly afterwards, making it impossible to talk about him as a result. Showing an image of the new Devastator also qualifies, since it gives away the fact that Prowl becomes the new head.
    • Just try talking season 2 of The Transformers: More Than Meets the Eye without spoiling Megatron's defection. I dare you.
    • Minimus Ambus. Saying anything about him other than that he's the brother of Dominus will out Ultra Magnus as a Legacy Character.
    • Rewind II. His existence is pretty much a dead giveaway to the fact that the original Rewind is killed.
  • Watchmen has Adrian Veidt, aka Ozymandias, whose terrifying plan to save the human race from itself is not revealed till the next to last chapter.

    Fan Works 
  • The Conversion Bureau: The Other Side of the Spectrum has the The Man Behind the Man, Tirek. The entire conversion scheme turns out to be part of his revenge against the entire human race because one single girl named Megan Williams defeated him over one thousand years prior.
  • In the third story of the Disney Crossover Series, it is not revealed that the "Master of Worlds" is actually Alice from Alice in Wonderland, turned insane and evil, until pretty late in the story, and his identity was already a mystery in the previous story, End of Worlds. The origin of his powers was also pretty mysterious, but all makes sense once we know that "he" is actually Alice, who in the context of the series is one of the most powerful Reality Warpers in existence.
  • It's very difficult to talk about Double Rainboom without spoiling the crossover.
  • Eternal has The Sun, whose presence is a huge spoiler for not only what's been happening to Celestia for the past millennium - and thus what's currently happening between her and Twilight - but the entire reason for it happening in the first place.
  • Gouki Namikaze in A Growing Affection. As the Greater-Scope Villain, Naruto's uncle and Minato's brother, the secret mentor of Konan and Nagato, among other attributes, pretty much any important mention of him is going to spoil the last two books.
  • Horseshoes and Hand Grenades has many characters with tropes related to them spoiler-tagged. These include: Ryusei Sakuta (who has been brainwashed twice and converted into an android), Kengo Utahoshi (who has become a servant to Ophiuchus as early as Chapter 2), Jiro Inseki (the whole reason Ryusei even killed Gentaro in the first place being killed and resurrected), Mei Shirakawa (who was the fortuneteller who pushed Ryusei on the path to kill Gentaro in the first place) and Shotaro Hidari (for becoming a Serpent-bearer and losing his mind.)
  • Hunting the Unicorn has a major spoiler in the form of Alex. He's mentioned in the thirteenth chapter as Blaine's stalker, has a short appearance in the fourteenth, and later appears in the nineteenth chapter where he kidnaps Blaine, Wes, and David. Two more Walking Spoiler characters are Tori Grayson, Nick's divorced father who is secretly a wanted criminal that the Behavioral Analysis Unit knows as "Spyke," and Petyr "Littlefinger" Baelish, who broke Alex out of jail because he needs Alex to help him find Blaine's therapist Sansa Stark.
  • Imperfect Metamorphosis:
    • Rin Satsuki, whose identity, powers (and how she got them) and history are spoilers for the motivations and goals of more than half the cast.
    • The Shadow Youkai is a lesser example. Her origins and nature are certainly a spoiler, but her existence is most certainly not, as "Rumia's Superpowered Evil Side" has long been a Fandom-Specific Plot for Touhou fan works.
  • Lulu's Bizarre Rebellion: Lelouch is forced to reveal his powers to Suzaku before they even escape Shinjuku, so he is unable to take the role of Zero, but no-one expected him to hand the role to Shirley, or indeed for her to have any powers at all. Since this was revealed in the first fourth of the story, and so it's very hard to mention later events without giving it away.
  • On the character page of A Man of Iron, Sansa's article is almost entirely whited out, due to the game-changing elements of her personal storyline — namely, her death near the end of the first book and subsequent resurrection as the Night's Queen in its epilogue, leading to her becoming a major antagonist in the rest of the series.
  • Marie D. Suesse and the Mystery New Pirate Age!
    • Monkey D. Madelyn. To make a long story short, she, a World Noble, got her hands on a special Devil Fruit, and used it to fall in love with Trafalgar Law. Unfortunately, as his personality slowly changed because of her influence, she assumed he'd given up on winning the race for One Piece, and used her powers to arrange for her brother Luffy to get captured by the Marines so that Law would once again have a shot at winning. Doing so resulted in Luffy getting executed, and his crew dying one by one; overwhelmed by shame, she retreats to the real world, gets married and gives birth to the main character, before events result in her being taken back to the One Piece world 20 years after her departure. If you mention anything about her except her name or status as the "Pirate Queen", you'll give away a plot twist at some point.
    • The Disinfector, a.k.a. Trafalgar Law, who also plays a major role in the backstory as Madelyn's lover, and whose identity is kept secret for much of the fic.
  • The true nature of the title characters in Marionettes, as the Tomato in the Mirror reveal is a major Plot Twist just before the Disc-One Final Boss confrontation with Gear Shift and Cover Story.
  • Moonstuck has Discord. His very presence spoils not only the ending and the nature of one of the two other villains, but also that the whole thing is set during his original reign of Equestria (and not, as many fans initially assumed, set during Luna's imprisonment in the moon).
  • Necessary To Win has Mizuho Miyanaga, who happens to be based on the girl from Chapter 102 and 104 of Saki. She was Saki and Teru's adoptive sister and a distant relative, until she died in a tankery match, as a result of Teru saving Saki rather than her, being only to save one. Saki forgetting about Mizuho and Teru's own conflicting feelings about her decision is the cause of Teru's enmity toward her, and Mizuho's death also caused the Miyanagas to break apart. Essentially, mentioning anything about Mizuho, including her name, spoils some part of the Miyanaga sisters' subplot.
  • Claire Thompson in The New Retcons, who's Elly's illegitimate daughter from when she was a teenager. Later, Fiona Brass (who takes a crazed runaway Elly in) and Kortney Patterson, nee Krelbutz (who John had cheated on Elly with, and eventually married).
  • In Pokémon fanfic Obsession, a certain character is referred to only as "Lucrezia's son", covering that he's a certain canon criminal mastermind.
  • In Origins, a Mass Effect/Star Wars/Borderlands/Halo Massive Multiplayer Crossover, the Flood from Halo is the Big Bad. The fact that Halo is involved at all is also generally spoiler-tagged in entries related to the work. Depending on context, the same can be said of Borderlands.
  • In Perfection is Overrated, Meiko is thought to be a friend of Mai's, but it turns out that she's Bachiko's accomplice, having rewritten everyone's memories so that Bachiko could pretend to be an Old Friend of Mai's and she could pretend to be a newer friend, while the two scheme to manipulate various characters' relationships.
  • Ace Attorney fangame Phoenix Wright: Ace Attorney: Conflict of Interest has a similar absence example with Shelley de Killer. It's hard to mention him without spoiling his central Plot Twist... he isn't involved in the game at all. The character two witnesses assumed was de Killer was someone else, and Obadiah Williamson faked de Killer's involvement in the case to lure Phoenix into accepting it.
    • The fangame also has Frincisco Mendirez, given that only two things about him are publicly known: his name, and the fact that he's the Big Bad. His identity is the fangame's Driving Question. The real reason Mendirez is a Walking Spoiler is that both these assumptions are lies. Mendirez is not the game's Big Bad, most of the crimes attributed to him were done by the actual Big Bad using his name, in an attempt to ruin his reputation with the mafia. Said Big Bad? Carlo Luciano, fellow mafia member carrying out an elaborate revenge plot against Mendirez, hoping to fully destroy his reputation to the point where he's begging for death, then kill him.
  • The Pony POV Series:
    • It's pretty hard to talk about Trixie's involvement in the story without bringing up that she's a second Element of Magic, or that the first Big Bad, Loneliness, is her Enemy Within.
    • It's also next to impossible to discuss Fluttershy beyond the first season without bringing up her becoming the second Big Bad Princess Gaia, or that "Gaia" is just a cover for Nightmare Whisper.
    • Likewise, Fluttercruel's involvement in the above and her Heel–Face Turn in response to fixing it, becoming a second Element of Kindness in the process.
    • Luna, Celestia, and Discord's backstories are completely whited-out on their character pages, due to their origins, families, falling out, the war between the Alicorns and Draconequi, and the time they spent as mortals, being integral to the plot.
    • Nightmare Mirror's character listing is almost completely whited out, to hide the fact that she's an Alternate Universe Applejack.
    • Diamond Tiara's involvement in the story starts out small, but then we find out Discord's using her as a puppet and corrupting her, and eventually gets her to free him, turning her into a Nightmare and his Dragon in the process.
    • The Dark World is full of these, but the biggest examples are Fluttershy, Fluttercruel, Rancor (when her true motives are revealed), The Nameless Passenger/Nightmare Paradox, her Psycho Ranger Co-Dragons, and The Benevolent Interloper/Amicitia.
    • Discord's erased older brother, D___t, due to his role as Big Bad of Bright Eyes' 7 Dreams/Nightmares section, and the fact that he turns out to have been evil (as opposed to the White Sheep everyone assumed he was).
    • And than there's the biggest example of all (to the point that their entire section on the character sheet is covered), ladies and gentlecolts, the G3 universe.
    • The Interviewers, once their true nature and identities are finally revealed.
  • The Powers of Harmony: Pretty much anything to do with the Guards' true natures, Cetus, Eclipse, Horizon, or Harmony are spoilers.
  • In A Protector's Pride, Hell is a spiritual being and the second arc's Big Bad, and the dimension of Hell was actually named after him.
  • The Katawa Shoujo fic Reconciliation has an interesting variant in a character whose conspicuous absence serves as a Walking Spoiler. It's revealed early on that Hisao has died of a heart attack, setting the plot into motion. Only the most basic description of the setting can avoid mentioning his death, and doing so spoils Hanako's bad ending.
  • A couple of examples in the Ruby and Nora series:
    • Weiss and Pyrrha: The Big Bad of the short story is Nurse Abigail Lemon. However, she initially presents herself as Weiss' kindhearted nurse. The fact that she is revealed to be a Serial Killer is a large part of the twist in that story. Her personalities before (a kind nurse who helps Weiss and consoles Pyrrha, willing to assist if needed) and after (a sociopathic Narcissist who kills patients because of her godhood delusions) The Reveal look like two completely different people.
    • The Greater-Scope Villain Salem. What's revealed about her is that she is Ozpin's Arch-Enemy and she sent Cinder Fall to destroy Vale. Pretty easy to mention since this is pretty much the same as the show. However, that gets a wrench thrown in the gears when it reveals that Cinder is actually Salem in disguise. Events involving Cinder after that take on a very different context. In addition, the fact that she has ties to many characters after Field Trip is something that spoils things about their role in the story.
  • The majority of the spoilers in Neon Genesis Evangelion Peggy Sue Fan Fic The Second Try revolve around a little girl named Aki... Aki Ikari.
  • Sunset of Time has the Big Bad, Vesper Radiance, wearing a Black Cloak for the first several chapters. The reason is that her eventual identity is not only a big reveal, but completely shifts the tone of the story.
  • Tails Gets Trolled:
    • Sonic is pretty difficult to discuss without mentioning either Chapter 4's twist or the backstory told through Chapter 19-20.
    • Mario and Luigi may not seem like this at first since they are portrayed as members of the Troll Slaiyers, but it's soon revealed that they are intentionally Playing Both Sides.
    • Many of the comic's fans refuse to spoil the minor story arc Porky Pig stars in, which is sometimes dubbed "The Porkening". The arc itself isn't very spoilerrific in regards to the main story, but the shockingly depressing events which occur are considered too great to be spoiled to first-time readers.
    • Chester Cheetah may initially appear to be the embodiment of The Stoner, but Chapter 20 reveals that he and the other Defenders are not at all what they seem.
  • The Tainted Grimoire:
    • Raven: A high-ranking member of Khamja. Killed Off for Real.
    • Crow: He worked for Khamja. He then left them. And then he joined Clan Gully.
    • Archbishop Finch: A corrupt man trying to seize power in St. Galleria.
    • Barley: Nearly everything he did affected the plot in major ways. And then finally, Killed Off for Real.
  • What The Cat Dragged In has its Final Boss, Peacemonger. It's practically impossible to talk about him without giving away just who gets Akumatized into him — even the name is a pretty big giveaway, thus all references to him on the story's page are entirely whited out.
  • A World Of Bloody Evolution reveals that the ruthless Inquisitor is actually Weiss. This shows that the worlds of RWBY and Warhammer40000 are somehow connected and that Yang simply appearing wasn't by random chance. The Soul Wielder who taught a family of Eldar the secret of Aura, a specialized ability that turns people into One Man Armies, confirms this.

    Film — Animated 
  • Chester V is the Big Bad of Cloudy with a Chance of Meatballs 2.
  • Home has the Gorg, who only attacks the Boov to repopulate his species with the children taken by Smek.
  • Bringing up either Valka or the Bewilderbeast from How to Train Your Dragon 2 spoils half the plot.
  • The live action characters from The LEGO Movie due to introducing a whole new level of depth to the movie and coming right smack out of nowhere, with only the briefest of foreshadowing leading up to their appearance.
    • A similar lack of foreshadowing is applied to the villains from various other franchises who appear in The Lego Batman Movie, working for Joker.
  • The Smurfy Grove Smurfs in Smurfs: The Lost Village. The premise of the movie relies on the main cast discovering evidence of another Smurf village somewhere in the Forbidden Forest. It's who these new Smurfs actually are that is in spoiler territory.

    Film — Live-Action 

    Literature 
  • The 39 Clues:
    • The fifth Cahill branch, the Madrigals, and the fact that their founder was Madeleine Cahill, make it practically impossible to discuss the first series or the ancestral Cahill family without spoiling some of the most surprising revelations in the series. Madeleine's existence isn't even revealed until near the first series' end.
    • A lot of the enemies as well, due to their Heel-Face Turns at the end of the first series. Sinead Starling in particular becomes a big one due to her turning out to be Vesper 3, The Mole, in the second series.
  • The Agent Pendergast series has Tristram and Alban, the twin sons of the title character. Since they do not appear until Two Graves, one of the later books in the series, and the twist related to them isn't brought up until roughly a quarter through it, it's impossible to bring them up without also referring to their role in the series.
  • Julius Grief in Alex Rider. Originally an unnamed clone of Dr. Grief who looks just like Alex from Point Blanc, he's thought to have died in the chapter he was introduced in. Nope, he was just arrested and comes Back for the Finale as a member of Scorpia.
  • Animorphs has Marco's mom Eva. We know very little about her past, other than that she was killed in a tragic boating accident, and her husband couldn't stop mourning her. She's also the host of Yeerk commander Visser One, who faked her death, and soon grows into one of the series' most dangerous antagonists.
  • Avalon: Web of Magic: The cover of Ghost Wolf depicts a human girl and two wolves running alongside her. Not coincidentally, there are only two wolf characters in the entire series who are remotely important, and one of them "died" in a previous book. Storm's appearance can't even be written off of as symbolism, courtesy of the stream of wolf spirits that are also on the cover, which- unlike Storm- aren't depicted as physical beings.
  • The Bartimaeus Trilogy has the Greater-Scope Villain, Quentin Makepeace, who seems an eccentric playwright until Book 3. There's also the fact that he's quickly offed within a few chapters of The Reveal by Nouda.
  • In the Warrior trilogy of BattleTech novels, Justin Xiang Allard's entire role is to be the Fake Defector who becomes the enemy spymaster to help sabotage the Capellan Confederation's efforts in the upcoming Fourth Succession War while pretending to do his best to use his knowledge as the son of the Federated Suns' resident spymaster to their advantage. This bit of information is easily found in most histories of the BT universe as well as referred back to in later fiction since these books were among the earliest written for it and the timeline has long since moved on, but acts as a major spoiler for the novels themselves, which don't so much as hint at this (even throwing in a convenient red herring or two) until the Reveal near the end of the last one.
  • A Certain Magical Index:
    • Accelerator is the main antagonist of the third volume. In the fifth, he undergoes a Heel–Face Turn, receives brain damage that severely limits his power, and becomes one of the series' protagonists.
    • Othinus. Being a major antagonist who actually wins and destroys the world would be a major spoiler on its own. But after that, she undergoes a Heel–Face Turn and loses almost all of her power, and ends up moving in with Touma as a second freeloader.
    • Coronzon is a demon who possesses Lola Stuart for the entire series and is the one responsible for all of her actions. Any discussion of it will also spoil the fact that Lola is actually Lola Zaza Crowley, the daughter of Aleister Crowley.
  • Araris Valerian in Codex Alera. He's supposed to be dead. Fade, the slave working for Bernard and Isana, is supposed to be brain-damaged. So when he pulls a Big Damn Heroes at the end of the first book and gets his real identity revealed to a few people in the process, it's a shock. He does keep the act up for a couple more books, but once he stops pretending the cat is officially out of the bag and it gets hard not to spoil everything.
  • There are two examples in Robin Jarvis' Deptford Histories trilogy:
    • Wendel Maculatum, from The Oaken Throne, is introduced as a kindly, if dim-witted, jester who becomes a traveling companion of the main characters. However, it turns out later that he is the diabolical High Priest of Hobb, which changes the way the character is perceived so much that most any details about him would have to include spoilers.
    • In Thomas, an idiotic but seemingly well-meaning mouse named Dimlon befriends Woodget and Thomas. Little do they know, he is really Dahrem Ruhar, a murderous and sadistic adept of the Scale who has gained their trust merely to steal the ninth fragment of an egg in which the serpent god Sarpedon will be reborn. When discussing Dimlon and his part in the story, his true identity would almost have to be mentioned at some point.
  • Raguel and Uriel in The Dinosaur Lords, due to them being named only in the epilogue and carrying a massive Wham Episode on their shoulders - not to mention that as Grey Angels, they set up a massive Sequel Hook.
  • The Dresden Files:
    • Molly Carpenter, Michael's oldest daughter, who has magical talent and becomes Harry's apprentice. And then even that information became obsolete.
    • You want to avoid spoiling the fact that Thomas is Harry's half-brother? This is going to significantly limit your ability to explain either of their motivations for most of their interactions after Blood Rites, starting with "Why does Harry immediately go to a vampire for help?"
  • In Ender's Game, the very fact that Mazer Rackham appears in the story at all is a rather massive spoiler, since he's introduced in an early chapter as a legendary war hero from the first Formic War—who should be long dead, as the war takes place over a century before the main story. It's not until the third act of the book that we find out that he's still alive, as the International Fleet used the relativistic nature of space travel to ensure that he would be alive to advise the commander of the human counterattack.
  • In The Gone-Away World, the hero doesn't actually exist until about halfway through the book—before that, he's a figment of his best friend's imagination.
  • The plot of Gone Girl sounds a bit boringly familiar without knowing the reveal that Amy Dunne has set the whole thing up.
  • Pretty much any non-inconsequential character introduced in or that plays a significant role in The Forerunner Saga of Halo, since it takes place one hundred thousand years prior to the primary time period of the franchise, and sets the stage for every other current piece of media for it.
  • Harry Potter: Sirius Black and Peter Pettigrew. There is no way to give an accurate description, however brief, of either character without spoiling The Reveal at the end of Harry Potter and the Prisoner of Azkaban. In subsequent books, both appear on a recurring basis with their true natures taken for granted.
  • Heretical Edge has plenty, though some have moved out of that status as the story progresses. Tabbris is the most extreme - literally any information beyond the existence of a character by that name spoils the biggest twist so far, and even that can spoil an attentive reader.
  • Alma Coin from The Hunger Games series is the president of District 13. Up until the end of the second book it's believed that District 13 was wiped out 75 years prior. It's not even hinted that it still exists until fairly early in the second book.
  • Lunar Chronicles: Ze'ev Kesley, aka Wolf. It is hard to say very much about him without spoiling the fact that he is a Lunar soldier who is still actively working for them (albeit increasingly conflicted) through most of Scarlet. The character page has separate sections for Wolf and Ze'ev, the latter of which is almost all spoilers.
  • For readers of the Malazan Book of the Fallen it's difficult to talk about Errastas in a non-spoiler context, since he mainly operates in the latter half of the series and then turns out to be one of the more active players in The End of the World as We Know It. Come the last books he hardly has any scenes that are not Wham Episodes.
  • Mistborn: The Original Trilogy: Saying anything about Marsh after about 3/4 of the way through the first book is a massive spoiler. Also, you can't talk about Ruin without massively spoiling the twist ending of the second book.
  • The Mortal Instruments: Anything about Sebastian/Jonathan Morgenstern from the later part of City of Glass spoils several plot points like: Jace and Clary aren't really siblings, the real Sebastian Verlac has been Dead All Along, and Valentine fed Jocelyn demon blood while she was pregnant.
  • Meta-level: In The Nine Wrong Answers by John Dickson Carr, there's a character in a scene who is not who he's thought to be. Once this is revealed later on, the narrator explicitly points out that he didn't use the character's name at any point in that scene.
  • Orannis the Destroyer in Garth Nix's Old Kingdom series. We don't even know anything other than his status as a Greater-Scope Villain (including his name, we know him only as The Enemy) until the final chapter of the second book. That's when we learn that he's an Omnicidal Maniac and an Eldritch Abomination, who's been sealed in a split metal ball since before the creation of the Charter.
  • It's pretty much impossible to discuss Ursula K. Le Guin's short story "The Ones Who Walk Away from Omelas" without revealing that the titular Utopia is literally (not figuratively) Powered by a Forsaken Child.
  • Noah from The Raven Cycle is a bit hard to talk about without giving away the end of the first book. There's not really much to say about him that wouldn't spoil anything outside of "He's the quiet one." Heck, you can't even use his last name without giving something away.
  • In the Rivers of London series, PC Lesley May is introduced as The World's Most Beautiful Woman and the series' muggle voice of restraint. At the end of book one she has her face ripped off by the villain (who'd pulled a Grand Theft Me on her) in a way magic can't fix, and spends the rest of the series teaching herself magic, then pulling a Face–Heel Turn to join the bad guys who've promised her a new face. As you can imagine, everything she does after the midway point of book one has to be spoilered out. This also leads to every book blurb and review containing a Late-Arrival Spoiler on her status.
  • Donna from A Scanner Darkly when it's revealed she is Arctor's superior "Hank".
  • Septimus Heap: It's impossible to talk about Septimus without revealing he did not die at birth. Heck, the series as a whole is even called Septimus Heap. It's pretty obvious once you get maybe halfway through the first book that this "Boy 412" character isn't who he thinks he is.
  • A Song of Ice and Fire is such an extreme example of this, it is nigh-impossible to give an overview of the series without giving one and a half spoilers. Especially in the later books. For example:
    • It's nigh impossible to describe the plot of the entire series without mentioning that Eddard Stark is a Decoy Protagonist whose death affects the whole realm.
    • The fact that Daenerys' Not Quite Dead nephew Aegon even exists is a massive spoiler even without getting into his actions.
    • The Three Eyed Crow who has been reaching out to Bran used to be Brynden Rivers, otherwise known as Bloodraven.
    • And now, there is Leaf, the first Child of the Forest to make his appearance.
  • Everybody knows what Jekyll and Hyde means. But when The Strange Case of Dr. Jekyll and Mr. Hyde was first published, their relationship was supposed to be the twist ending!
  • The Unexplored Summon://Blood-Sign:
    • The White Queen, initially presented as the Top God of the setting, is actually an Eldritch Abomination who is Yandere for the main protagonist Kyousuke. It's impossible to discuss the series without spoiling this, given that she's the main driving force behind the plot and Kyousuke's personality.
    • The Colorless Little Girl Dedicated to a Single Goal, whose mere name is a major spoiler. All Unexplored-Class are female entities with a color in their name, so just being called "Colorless" singles her out as being different from the rest. The latter part of her name hints at the fact that she was made specifically to defeat the White Queen.
  • Vampire Academy:
  • You can't really talk about the second half of Warbreaker without revealing that God King Susebron is a perfectly harmless figurehead rather than an Evil Overlord and Bluefingers and Denth are not allies of the protagonists but the Big Bad and his Dragon with an Agenda respectively.
  • Warrior Cats:
    • Jayfeather, Lionblaze, and Hollyleaf: it's hard to mention them in examples without mentioning the fact that they're actually the result of Leafpool and Crowfeather's forbidden relationship, not Brambleclaw and Squirrelflight's kits. Hollyleaf also later attempts to kill Ashfur and vanishes from the Clan for several books, believed to be dead.
    • Ashfur is a minor character, right up until his attempted murder of the protagonists (which forms the climax of Long Shadows). Because what characterization he got was so bound up in that one action, it's really hard to say anything about his morality or character arc without spoiling it.
    • Most examples relating to Rock have to do with his being an immortal watcher who knows all of the prophecies that ever existed.
    • Any mention of SkyClan, the lost "fifth Clan" that was once disbanded and reformed, whose very existence is a massive spoiler for Firestar's Quest and the sixth series.
  • Pretty much everything about Scion is a massive spoiler in Worm. It's at least possible to discuss Scion's actions prior to his rampage without spoiling things. Eden, Abbadon/The Third Entity, Khonsu, Tohu and Bohu can't even be referred to by name or description without giving away the biggest twists.

    Manhwa 
  • The demon Infinity in Ciel The Last Autumn Story, due to the deaths and possession surrounding its first appearance completely changing the course of the plot.

    Meta 
  • In works pages, some tropes themselves in the right context are Walking Spoilers, such as some Death and Ending Tropes. For example, in a Character Page, seeing "Disney Death" under a certain character is almost a dead giveaway that they will survive at least one apparent death. Subverted Disney Deaths are possible, but not common.

    Multiple Media 
  • Mata Nui from BIONICLE, two-fold: first, the story's biggest secret was that he was, in fact, the universe-sized robot that the first 8 years of storyline took place in/on. Second, he only came into the forefront as a character after being usurped by the Big Bad. By talking about him, you not only reveal his identity and nature but also that The Bad Guy Wins at the end of the first Myth Arc.
    • Velika becomes this after the Voya Nui arc is over, although it's sort of subverted as the revelation he was a Great Being and responsible for the problems with the Bota Magna group the murders Kopaka and Onewa were investigating were from Word of God.

    Role-Playing Games 

    Theatre 
  • Charlie and the Chocolate Factory (the 2013 stage musical) has several Canon Foreigner minor characters added to the first act — and one who seems to be one. That would be the elderly tramp at the junkyard, who performs a small but vital role in encouraging Charlie Bucket to use some dropped money to buy a Wonka Bar that turns out to have the last Golden Ticket in it. In the show's final moments it's revealed that he was actually Willy Wonka in an elaborate Wig, Dress, Accent disguise, a big twist on the familiar story. Since the show does not Cast as a Mask, the tramp isn't mentioned in the cast list, further concealing the spoiler to the casual observer.
  • You can't really describe the plot of Finale without including the big reveal that the world is ending.
  • In Next to Normal, it's very hard to define Gabe Goodman's actions without revealing the fact that he's either a ghost or the hallucination that embodies Diana's grief over the death of the real Gabe.
  • In Sweeney Todd: The Demon Barber of Fleet Street, after Sweeney Todd comes ashore in London, he is approached by a half-mad, disheveled beggar woman that claims to recognise him. Later she shows up to tell Anthony about Joanna and Judge Turpin and makes herself a nuisance around the pie shop, babbling about the suspicious smoke and scent. It turns out that she is actually Sweeney's wife, Lucy, whom he was led to believe to have swallowed arsenic and died after being raped by Judge Turpin. Sweeney kills her when she wanders into his tonsorial parlour (and her past home) to get her out of the way before the Judge arrives. After he realises what he's done, he angrily confronts Mrs. Lovett, who admits she knew Lucy lived. In a rage, he throws Lovett into her own oven and holds Lucy one last time, before accepting death.

    Visual Novels 
  • In the Ace Attorney series, each of the games' main antagonists count, as well as many of the murderers in each individual case. Naturally, discussing much about them would reveal that they're responsible, as well as, in some cases, their true personalities.
    • Phoenix Wright: Ace Attorney – Spirit of Justice has Betty de Famme, the twin sister of the magician Bonny de Famme in episode 2. While she first appears very early into the episode, her existence is kept secret until about two-thirds of the way through, with her impersonating Bonny until that point and players being led to believe both twins are a single person. Simply mentioning Betty's existence may tip people off that a Twin Switch is the explanation for "Bonny" constantly changing from nice to aggressive between scenes.
  • A Clockwork Ley Line: The Borderline of Dusk: Michiru and Kasumi are this, as the former turns out to actually not be Michiru, but his older brother Mitsuyoshi who went to the school in the real Michiru's place, explaining his lack of mana, and the latter is the older twin sister of Shizuka Murakumo, the identity of the Ghost, Sumi-chan, and the one whose mana is used to bring forth the Realm of Night.
  • Danganronpa: Due to the massive amount of plot twists they have in the franchise as well as many characters who don't always appear what they seem at first, several of them end up becoming this.
    • Several characters are spoilers just by existing. Genocide Jack, Mukuro Ikusaba, and Alter Ego, in addition to the original headmaster of the academy. Also, using pronouns when referring to Chihiro is difficult to do without spoiling his status as a cross-dresser.
      • To clarify on Jack, Mukuro, and Jin (aka the original headmaster of the academy), all three of them were suspected of being the Mastermind at one point or another. In addition, the three of them are hard to talk about without revealing spoiler-ish details of another character (Jack being the Split Personality of Toko, Mukuro being the sister of the actual Big Bad that game, and Jin being Kyoko's father). Plus, Jack was introduced as a possible suspect for the murder in Chapter Two of the first game only to find that she didn't commit the murder thus spoiling parts of the class trial.
    • Junko Enoshima is also this for being the mastermind of the original killing game. The one you met at the start was just her sister Mukuro disguised as her. However, the future installments don't have a problem talking about this.
    • Yasuke Matsuda from Danganronpa Zero, full stop. Very little can be said about him bar what we know initially without giving away that he is the conspirator and lover of Junko Enoshima, the series Big Bad. This will subsequently require you to reveal that the book's heroine Ryōko Otanashi and Enoshima are in fact the same person, pretty much giving away the entire plot of the book.
    • For Super Danganronpa 2, we have Izuru Kamukura, one of the masterminds. Whether you start with his true identity as the amnesiac, alternate, super-powered self of our protagonist Hajime, or the reveal that he was never loyal to Junko nor even evil at all, it's impossible to discuss anything about him without spoiling something from the game or the anime. Fans have taken to calling him "Spoiler-kun" as a result.
    • There's also the Ultimate Impostor. His Byakuya Togami disguise is a spoiler for Togami surviving the first game, and the Impostor's existence is a spoiler in and of itself, as until his identity is revealed the game leads you to believe he is the real Togami - drastic weight gain, sudden personality change, and death included.
    • Similarly, Nagito Komaeda. Just trying to explain this guy is impossible without spoiling something, given that he already reveals a large change in personality in the first Chapter of the game. Not the kind, mild-mannered boy we knew, Nagito actually obsessed with hope to the degree he would do anything for it, and does by masterminding the first murder and, eventually, his own, leading to the deaths of the Ultimate Imposter, Teruteru Hanamura, and Chiaki Nanami.
    • From the same game, Fuyuhiko Kuzuryu is a variation of this trope. His free time events are locked until the fourth chapter as they went on to spoil his relationship with Peko Pekoyama, the second chapter class trial outcome, and his resulting Character Development afterwards.
    • In addition, the game is supposed to lead the player into thinking that Future Foundation was a Nebulous Evil Organisation only to find out they were Good All Along and the members consist of the survivors of the first game.
    • To a lesser extent, the Twilight Syndrome Murder Case introduce Sato and Fuyuhiko's sister Natsumi, both of whom were unknown to the player before. The fact Fuyuhiko killed Sato in revenge for Sato killing his sister comes across as a huge spoiler for that game and explains the motives of the second chapter.
    • It's basically impossible to talk about Chiaki Nanami to people who haven't finished both the second game and the anime. The one you meet in this game is an AI acting as a benevolent mole for the Future Foundation, who gives her life to protect the students. That by itself is pretty spoilerific, but then the anime reveals she was based off a real Chiaki Nanami, who was the catalyst for her classmates' fall into despair and Izuru's decision to turn on Junko.
    • Monaca Towa from Absolute Despair Girls is not as nice as she first appears, but how bad she really is, as well as her true plans and involvement in the game's backstory, aren't apparent at first. It's thus difficult to talk about her without spoiling anything.
    • Tokuichi Towa also reveals a ton about the backstory of Monaka and Haiji.
    • Both Kaede Akamatsu and Shuichi Saihara from New Danganronpa V3. After promotional materials showed the former as the main protagonist, she got executed in the first chapter, thus making her a Decoy Protagonist. The latter becomes the true protagonist of the story from that point on (even in Space Mode), thus making both of them very hard to talk about.
    • Tsumugi Shirogane for being the Big Bad of the game.
    • While Rantaro Amami was the first to die in New Danganronpa V3 and was mostly Out of Focus when he was alive, he's nigh-impossible to talk about once you learn about his talent, which helps lead to a massive plot twist.
    • To a lesser extent, Korekiyo's unnamed older sister (commonly referred to as "Miyadera" by fans) qualifies due to being one of Korekiyo's primary motives for committing murder, thus spoiling most of the third trial. He does bring her up during his Free Time Events, but the post-trial reveals that she was in an incestuous relationship with him and that she now functions as his Tulpa.
    • After Kokichi exposed Maki Harukawa for lying about her talent, the latter's role in the story changes, and thus she became this trope. In fact, in a similar vain to Fuyuhiko as listed above, her free time events with Shuichi are locked until after her true talent was revealed.
  • Doki Doki Literature Club!:
  • ClockUp's Euphoria: It's hard to mention Nemu, Keisuke, or Kanae without revealing at least one major spoiler. For the two girls, it's the Betty and Veronica Switch; for the guy, it's his involvement with those two girls.
  • Fatal Twelve has Miharu, Lethe, and Dianna. Miharu, Rinka's friend, turns out to have won the prior Divine Selection, became Parca's vessel, and whose suicide starts off the current Divine Selection. Lethe, a stray cat that Rinka took in, turns out to be the strange man that sometimes appears in her dreams and was the pet cat of her great-great grandmother. Finally, Dianna, Rinka's great-great-great aunt, who died in a fire, turns out to be the true identity of Parca, the goddess who presides over Divine Selection, as well as its thirteenth participant.
  • In Her Tears Were My Light, Nil is directly responsible for the main conflict but doesn't reveal herself right away.
  • Higurashi: When They Cry:
    • Hanyuu is the real Oyashiro-sama, despises violence, and tries to change fate over and over, hence the reason for the repeating worlds. In the anime, they censored out Rika's screams to Hanyuu as Hanyuu stabbed herself in front of Rika and Shion, and made you believe that only those who heard Hanyuu were crazy (Rena, Keiichi, etc.), or else too high up on the Hinamizawa Syndrome scale. Then there's how the form she takes in the anime isn't even her real form (add about 10 years to that and you get her true form).
    • Its difficult to talk about Shion without spoiling Watanagashi-hen or Meakashi-hen.
  • While Momo and Celeste can also qualify, HuniePop has Venus, the Goddess of Love and Kyu's boss, who only shows up after you've slept with each of the eight normal girls and is presented as your final challenge.
  • Long Live the Queen has a few of these, but of particular note are the two late game characters, the Kraken or Togami. The Kraken only appears if you lay waste to the entire Shanjian fleet using magic, and Togami appears without warning if you fail to dispose of the fleet at all.
  • Memory's Dogma has two of these, the first being Sorano Mizunashi, who was killed prior to the events of the story. She turns out not only to be a "manifestor" that can read people's thoughts, but is also still alive. The second is Kuroda Renjuro, the head of the Connect Center, who turns out be the Big Bad and behind everything bad in story, even being connected as far back as to the death of Reina Orikasa's mentor.
  • Miniature Garden has at least four.
    • The first is Itsuki Orimoto, who turns out to be a False Friend for Yasunari Iguchi and Ayana Sakura and is also connected to things revolving around the amnesia medicine.
    • The second is Yasunari's real father, who can be best summed up as the Big Good.
    • The third is Sumika Shibaya, who turns out to have been killed several decades prior to the events of the VN and that she persists as a ghosts of sorts within Ayana's childhood doll and later the school, her presence being the reason the characters were trapped there.
    • The fourth is the Miniature Festival itself, which turns out to be a cover for the test subjects of the amnesia-inducing medicine.
  • Mystic Messenger has two pertaining to Rika and V that get fully revealed in Secret Ending 001. Rika is not only still alive, but she's also mentally ill and the Big Bad in all of the routes. Meanwhile, V has been physically and mentally abused by her for the past few years, ever since she refused to stick to her treatment.
  • Nine Hours, Nine Persons, Nine Doors:
    • It is impossible to describe Santa's motivations or character arc without revealing that he's June's brother and pretty much everything he does in the game is to save her past self. And that reveals that supernatural abilities exist in the world of 999, which just opens up another can of worms.
  • [redacted] Life: Hana is this, since she is introduced as the new player character once the visual novel "crashes" and the player re-opens the game to find it changed.
  • Saku Saku: Love Blooms with the Cherry Blossoms:
    • There's Ann Jinpou, head of the student council, who in her route is also revealed to be half-soul reaper, that she has a Literal Split Personality of sorts in her soul reaper half of Eleonora, that she's over 100 years old, and that she is also Tina's guardian. Ann's route also reveals the identity of the Soul Reaper that saved Yuma's life (see below).
    • Tina's "older" sister Rina is this, as she's the Soul Reaper that gave Yuma new life after his accident, more specifically, her own.
  • Sorcery Jokers: Cute girl Ruu and The Dreaded Hood turn out to be the same person.
  • Time Tenshi has Michelle, the base commander and operations manager for the Time Window, who also turns out to be connected to Mizuki and Bunni's time-altering scheme.
  • In Umineko: When They Cry, Episode 7 is filled to the brim with these, with Will, Lion, Beatrice Castiglioni, and most importantly Yasu (as well as Clair, who serves as a representation of Yasu). Episode 8 has the real Tohya Hachijō.

    Webcomics 
  • The entire Cubi race from Dan and Mab's Furry Adventures, since the reason they have the prominence they do is the Chapter 14 reveal that Dan is one.
  • The authors of Darths & Droids avoided mentioning Annie's name for a while, so people wouldn't guess that she was going to end up playing Anakin.
    • It's also hard to bring up post-Episode 5 Vader without mentioning that the Darth Vader in D&D is Padmé.
  • The Dreamland Chronicles has a few:
    • Dan, due to the big twist involving him being the true heir to Dreamland.
    • Gilgamesh being the true Big Bad, manipulating the assumed one Nicodemus and an entire army of Nightmare Realm creatures to further his quest for immortality.
  • Drowtales:
    • Diva'ratrika Val'Sharen, Liriel and "Diva" due to the fact that they are all technically the same person, with the last one being the final result of a Fusion Dance of the aura (soul) of Diva'ratrika with her servant Ragini, with Liriel being the incomplete fusion. All of which spoils the fact that Diva'ratrika has been dead since nearly the start of the story, with the coup that eventually killed her occurring in the story's prologue.
    • Most things about Kalki Nidraa'chal. While she actually appears in the Prologue of the story, it takes 25 chapters for us to find out what her deal is. And while quite a few people had already guessed that she was really Snadhya'rune Vel'Sharen's daughter, even with a Shrug of God that while she was Snadhya's daughter Snadhya had never given birth, chapter 25 was a Wham Episode in that the explanation of how this was possible also revealed other gigantic spoilers: Mainly, that the Val'Jaal'darya have not only figured out how to carry a child outside of the mother's womb, but also make a child have two mothers. And Kalki's second mom? None other than Mel'arnach Val'Sarghress, the protagonist Ariel's real mother, which basically makes Kalki related to half of the important cast members in some form or another.
    • Relatedly, merely the names of most revealed members of the Nidraa'chal are blacked out on the character page because it reveals that there are sleeper agents in nearly every clan, both major and minor, and that despite other characters saying so not all of them are tainted.
  • Gunnerkrigg Court: Loup is impossible to talk about without revealing he's the Fusion Dance of Ysengrin and Coyote, created after the former killed and ate the latter, and that when he first manifested he did massive damage to the Court. And his existence means that both Coyote and Ysengrin are technically dead. Then, on top of this, there's his subsequent actions...
  • Homestuck:
    • Doc Scratch is a near-omniscient being who's the First Guardian of the trolls' universe, while it was somewhat of a late revelation that the trolls live on another planet. Scratch is also the precursor to Lord English, a mobster who turns out to be the Big Bad.
    • The post-scratch kids in the sense that their very existence is a pretty massive spoiler. Same with the pre-scratch trolls.
    • Calliope and Caliborn, particularly after the former's true appearance is revealed. So shocking author Andrew Hussie even asked people not to post the image for a few days and provided a fake image for people to use instead.
    • Gamzee, for the twist of him seemingly starting out as one of the biggest joke characters before turning into a murderer that kills off two of the more minor trolls. And then he goes on to be declared "the most important character in Homestuck" in-universe, and in Act 6 he has a habit of showing up in the strangest and more sudden places, both to hinder up the post-scratch kids and to assist the Big Bad in his session. And he's also the reason for Li'l Cal's existence. Because of all of this, most of what's written on him on this site is spoilered out.
    • Aranea. The woman behind the man in some (exactly how much isn't entirely certain) of Gamzee's actions, the one to answer the question of who gets the Ring of Life, being a pre-scratch troll as mentioned above, and double subverting the expectations one would have for a Serket.
  • In It Hurts!!, most every character qualifies as a walking spoiler, what with the apocalypse in strip 100.
    • Pasqualo is revealed to be a cyborg after the apocalypse, accompanied by a marked, permanent change in appearance.
    • Allison becomes a zombie during the apocalypse.
    • Aurora sings the song that ends the world, revealing herself to be an angel or a demon or a demigod or something.
    • In a much less drastic example, Katie is missing and presumed dead even before the apocalypse, but Pasqualo and Allison manage to find her alive and well after the world ends.
  • Nebula: Ceres; apart from being the confirmation that there are other dwarf planets than Pluto, they show that Black Hole most definitely has supernatural powers, possibly has mind control powers, and drags the comic through the darkest and most emotionally intense sequences that ends with Sun killing them in the first actual death of the comic. After that, Nothing Is the Same Anymore, ending Ceres' introductory comic with them dead, Pluto having left the solar system to join Black Hole, the planets badly injured, and Sun no longer being Achilles in His Tent but left staring blankly at his hands.
  • Vampire!Durkon, aka the High Priest of Hel, from The Order of the Stick. If a main character being killed and brought back as a vampire isn't enough, there's the further twist that he isn't any version of Durkon, even a corrupt one. He's a spirit from the Norse underworld walking around in Durkon's corpse.
  • In Ozy and Millie Locke, a fox kid who is the same age as Millie, was revealed to be Millie's backwards aging Dad from another dimension. is one of the most compelling and dramatic arcs in the entire series. This is usually the story arc everyone mentions, though many fans respect the comic too much to spoil.
  • "Cloney" of Sluggy Freelance is one that is largely a spoiler if you use that name. From late 2001 to 2002, Torg and Riff, after returning from the Punyverse, thought that their alien friend Aylee had undergone a Face–Heel Turn as her latest evolution. It turns out that it was actually an evil clone of Aylee made by Hereti-Corp, and referring to "Aylee" during this time as "Cloney" spoils this twist. Technically, this character was called "Aylee" by everyone including herself, even if that was only because they (including herself) mistook her for the other Aylee. The name "Cloney" was introduced retrospectively.
  • The main After the End timeframe of Stand Still, Stay Silent is explicitly stated early on to have three existing belief systems: depending on their country of origin, people worship the Norse gods, the Finnish gods or are atheist, with the Christianity that was dominant in the Nordics before The End of the World as We Know It all but stated to be no longer practiced. The comic also gives several hints that the Norse and Finnish gods are both quite real, and have something to do with some of their worshippers now having magic powers and Psychopomp duties. The fact that one of the later introduced characters is the ghost of a Christian Pastor who shares abilities and duties with mages throws quite a wrench in what the reader knows of the comic's world.
  • Rachel from Tower of God. She is initially just the girl Baam was chasing, but after she tried to kill him and he has been declared dead, the whole plot goes off into another direction. It's impossible to have any sort of meaningful conversation about Rachel without mentioning these spoilers.
  • Granted, if the reader had previously read the Walkyverse it's It Was His Sled territory, but for new readers of the Ultimate Universe comic Dumbing of Age, one can't bring up Joyce's brother Joshua without mentioning that she is an in-the-closet transwoman named Jocelyne, especially since now even the pre-reveal comics are labeled with her correct name.

    Web Original 
  • The Adventure Zone's Balance Arc has quite a few. It's safe to say that anyone involved with the IPRE is extremely spoiler-heavy, but especially:
    • Barry Bluejeans and Davenport, minor gag characters with seemingly no impact on the story at first glance, are nearly impossible to talk about without mentioning that they're respectively the Red Robe and the former captain of the IPRE.
    • John's mere existence is a threefold spoiler: the identity of the mysterious Big Bad, the fact that said Big Bad is sentient rather than a mindless malevolent force, and the true reason behind the protagonists' mission to reclaim the Relics.
    • Simply talking about Lup and her relation to other characters reveals nearly the entirety of the protagonists' spoiler-heavy backstory (which involves, among other things, the revelation that the Red Robes are good and a Genre Shift from high fantasy to a Space Opera.)
  • Critical Role has several:
    • Probably the biggest is Taryon Derrington, whose very presence and who plays him spoils that Scanlan Shorthalt, Sam Riegel's previous character, left the party.
    • Kaylie is hard to talk about without revealing that she's Scanlan's daughter from a one-night stand and a major catalyst in his Character Development.
    • Cassandra de Rolo, Percy's sister, is impossible to talk about without spoiling something, especially since we're lead to believe she was just a Death by Origin Story. The fact that she's still alive is just the beginning though, she's also a Heel–Face Revolving Door.
    • Orthax, the Shadow Demon. Simply talking about him spoils that Percy's Sanity Slippage and Roaring Rampage of Revenge against the Briarwoods is actually a case of Demonic Possession, that he's the real Final Boss of the Briarwood arc, and that Percy successfully overcomes his influence. Later reveals also show that he consumes the souls of everyone Percy kills, which puts all of Percy's earlier battles in a much darker light.
    • Anna Ripley is also difficult to talk about without revealing that Percy sparing her during the Briarwood arc had major consequences, with her coming back later on seeking the Vestiges, becoming the new host of Orthax, and her being the first villain to kill a party member. From the same arc, Kynan Leore was just introduced as a young Vox Machina fanboy earlier on, before coming back many episodes later working for Ripley.
  • Don't Hug Me I'm Scared:
    • Malcolm's existence spoils the true nature of the Love Cult.
    • The appearance of the Puppeteers spoils the ending to the fourth.
    • It's hard to explain who the Cans are without spoiling the death of Duck Guy.
    • The other Red Guys seen in the sixth installment are impossible to discuss without spoiling Red Guy's escape.
    • The other teachers seen in the finale, to a lesser extent: discussing them reveals the true nature of the puppets' world... maybe.
  • Almost any rapper in Epic Rap Battles of History who arrives late in the battle, either to back up another rapper or take on both of the other participants at once. Usually, their mere existence is a spoiler.
  • If the Emperor Had a Text-to-Speech Device packs a double punch at the end of Season Two with near-simultaneous arrival of Vulkan and Rogal Dorn, the latter of which comes pretty much out of nowhere.
  • Inanimate Insanity: Pretty much everything about Taco is a major spoiler: her Obfuscating Stupidity for the entireity of Season 1 in order to gain viewer support, her true nature as a manipulative and snobby Evil Brit, her surprise return in Season 2, and her signifigance therein.
  • Dr. Josh Sharman of Lightning Dust. His placement on the character page alone reveals his true status.
  • Red vs. Blue: Due to the nature of the series, almost everyone could be considered a Walking Spoiler. Here are the highlights:
    • The original, human Allison is the biggest spoiler in the series, as she reveals the truth about the Director and everyone caught in his plans.
    • Church comes back as a ghost. This eventually became It Was His Sled, then two of the biggest twists in the series were focused on him.
    • Tex, due to having the same plot twists Church has, and her connection to Allison.
    • The Director, for his name and being a template that the Alpha was based on.
    • Agent Carolina in Season 10 onward. Up until the final few seconds of Season 9, she was assumed to be dead, so her appearances in the present day are impossible to talk about without spoiling that she, in fact, is truly not dead at all.
    • Mystery Blue Guy/Blue/The Blue Freelancer's true identity of Captain Butch Flowers (and Agent Florida!), as revealed at the end of season 10.
    • Felix in Seasons 11 and 12 is built up as a good guy. Then he is revealed to be Evil All Along.
    • Control, the person who hired Locus and Felix to wipe out Chorus's people. It's a spoiler to even mention that they're part of a third party in the Chorus Civil War.
    • Season 15 parodied this with an ominous looking FOTUS soldier that turns out to be a process server... and plays this straight with the real villain, Temple, whose entry in our character list is almost completely white.
  • As of version 5, Tracen Danya has taken up this role in Survival of the Fittest, in that while he was mentioned as early as v1, it's hard to mention his current status without mentioning his taking up the mantle after his father (the Big Bad starting from v1) who died partway through v4.
  • Doug Walker in To Boldly Flee. Not The Nostalgia Critic, Doug Walker. The Nostalgia Critic himself becomes this in post-To Boldly Flee canon (before he was Un-Canceled, of course).
  • Firebrand in Tribe Twelve. Assumed to be a malevolent member of collective, Firebrand's Heel–Face Turn in INTERCEPTION and reveal as a future/alternative timeline Noah make his identity a major spoiler.
  • Vinesauce Tomodachi Life has several:
    • Isaac is most famous for causing the game to crash when being added to the island, causing the birth of an Alternate Dimension and the earliest indication of Cerebus Syndrome.
    • HOTDOG is initially a fairly one-note character that gets removed very shortly after his initial appearance. Then he shows up again much later with no explanation, introducing Vinny's willingness to alter things off-screen (which shapes the entire plot not long after).
    • The Jahns are the most prevalent example - a lot of their character in the later part of the series is shaped by their race invading the island and enacting an Assimilation Plot.
  • Yandere High School has SirCutieYuki, who at the start of the series comes off as no different than most of the other students in Samgladiator's class, but much later is revealed to be the titular Yandere and responsible for all the deaths that happen in the series, plus being a Yakuza boss's daughter.
  • Similarly, MangoTango's Yandere Middle School has RicherKidRichard, who can only say "Yeah", but in the finale is revealed to be the one behind the deaths and disappearances in the series as well as an Omnicidal Maniac.


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