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->''"I am so omniscient, if there were to be two omnisciences, I would be ''both''!"''
-->-- '''[[Music/DevinTownsend Ziltoid the Omniscient]]'''

A character that knows everything. Either literally everything, or simply everything worth knowing under the circumstances. May or may not have BlueAndOrangeMorality or a OmniscientMoralityLicense. JustForFun/NotToBeConfusedWith a [[KnowNothingKnowitall character]] who incorrectly believes himself to know everything. May or May not have authored the GreatBigBookOfEverything.

Beings with this ability tend to be background characters that the reader is told little about. This is because "knowing everything" is a StoryBreakerPower, because it's difficult to feature a protagonist that can see all the cards, take action based on that knowledge, and maintain a sense of meaningful conflict. Another way to try to keep the story or interesting is to keep the readers/viewers in the dark about what the main character is truly doing and why, while the character executes a GambitPileup. (See UnspokenPlanGuarantee.) A final solution is to reveal that they are NotSoOmniscientAfterAll.

The Omniscient usually appears as an oracle ([[MadOracle mad]] or [[{{Seers}} otherwise]]), and/or leader of TheOmniscientCouncilOfVagueness.

For The Omniscient to face a MoralDilemma without becoming an OmniscientHero, the dilemma has to remain very abstract. In philosophy, many thought-experiments are based on the outright or implied premise "What would The Omniscient do?"

This trope often overlap with TheOmnipresent, since being omnipresent is often the reason why one is omniscient to begin with. TheOmnipotent may have this as well.


[[folder:Anime and Manga]]
* Marisou from ''Manga/BlackParadox'', due to the portal in her brain to the afterlife, has a limited ability to see the future. When she's operated on by Dr. Suka to remove the gateway from her brain (as part of his plan to harvest more Paradoxical Night stones from inside the Afterlife), she gains the ability to become fully omniscient, and learns the full truth about what Suka has set in motion.
* Yuko from ''Manga/XxxHOLiC'' due to being an exceptionally old and powerful witch. Unfortunately for the main characters, she's bound by EquivalentExchange rules where everything has a price, including information, pushing her into AllPowerfulBystander territory.
* The First President of the ''Manga/{{Genshiken}}'' seems to know everything that goes on around the school. He implies that he may have set up cameras around the school, but he never explicitly confirms it.
* Kuran Kaname from ''Manga/VampireKnight'' being an ancestor of the vampire race, he demonstrates almighty abilities as mentioned in the fanbook, and ability to foresee the future as he once mentioned to his comrades when he saw Yuuki's image in the past.
* Interestingly, the [[spoiler: ''main character'', Aladdin,]] of ''Manga/MagiLabyrinthOfMagic'' [[spoiler: is this, though not all of the time. He is a Magi who has the "Eye of Solomon," which lets him see the world, [[TheLifestream Rukh]], and all of its secrets.]] The main antagonists, [[NebulousEvilOrganization Al-Sarmen]], want him for this reason. Also, he is not an [[spoiler: OmniscientHero]].
* Amber from ''Anime/DarkerThanBlack'' knows everything that is going to happen that affects the main story for two reasons. First, she is a TimeMaster and has lived the main plot several times to set things up the way she wants. As an example, she claims to have fought Heaven's War "...dozens of times to get it right." She proves her omniscience when she continues to be... everything even after [[spoiler: her death]]. As shown when she [[spoiler: leaves the message for Misaki behind(ahead?) to keep driving the plot even after she is out of it.]]
* Ajimu in ''Manga/MedakaBox'' is a superhuman with thirteen quadrillion superpowers, including knowledge of absolutely everything. Although she intentionally makes herself unaware of certain future events ''to avoid spoilers''.
* [[spoiler:Ronnie Schiatto]] from ''LightNovel/{{Baccano}}''. [[PrescienceIsPredictable He got bored of it]], so he turned it off.
* ''Anime/PuellaMagiMadokaMagica'': [[spoiler: As part of her ascension to godhood, Madoka]] becomes aware of everything that ''has'' happened, ''will'' happen and ''can'' happen. [[spoiler: This is how she drives witches to extinction and how learns about everything that Homura went through to help her in the GroundHogDayLoop.]]
** However, [[spoiler: her omniscience is only because she exists at every point in space and time. [[Anime/PuellaMagiMadokaMagicaTheMovieRebellion So if there was a space]] [[NotSoOmniscientAfterAll that could block her existence]] ''and'' [[GodInHumanForm if Madoka was forced to take a human form]] [[NotSoOmniscientAfterAll and exist in linear time...]]]]
* ''Manga/{{Bleach}}'': Yhwach can see the future and the present in a way that enables him to prepare for any event or [[CombatClairvoyance defeat any combat move]] before it's occurred. The ability, called "the Almighty", only works at full capacity when he properly "opens his eyes", giving him three pupils in each eye. The legend of the Sealed King states that it would take him 900 years to regain his heartbeat, 90 years to regain his intellect, and 9 years to regain his power. Haschwalth claims that if Yhwach had tried to use the Almighty before those 9 years had concluded, he'd have destroyed all the Sternritter. For an unknown reason, Yhwach transfers this power at every nightfall to Haschwalth, who becomes the omniscient one for the hours of darkness before restoring it to Yhwach at every dawn.

[[folder:Comic Books]]
* Destiny in ''Comicbook/TheSandman''. Note that he can't put this knowledge to any use because he doesn't have free will (thus he is symbolically chained to the book). At one point he calls a meeting for no apparent reason and when people ask why he did it Destiny explains that the book said he was going to.
** The Comicbook/{{Lucifer}} spinoff has Michael show up in Destiny's realm to ask about the oncoming apocalypse only to find that Destiny had invited the title character and [[spoiler:Michael's daughter]] over to discuss the exact same thing. When he asks Destiny why he wasn't invited, Destiny responds that it didn't seem necessary, since he was already coming.
** Destiny loses this trait after a few people somehow become ImmuneToFate since everything they do renders the book useless thanks to the Butterfly Effect.
* Speaking of Comicbook/{{Lucifer}}, Yahweh unsurprisingly is this much to the chagrin of the title character. He created everything, knows all the rules on how everything works, knows everyone intimately, and is quite literally everywhere in the universe. Based on all this since he started the ball rolling he knows how things will turn out. The problems in the second half of the series are a result of Yahweh withdrawing from the universe for the specific reason of having a result he does not know absolutely every last detail before it happens. He comments that even attempting to observe would result in him knowing the outcome. This test actually works.
** Curiously, the title character is very annoyed with this trait of Yahweh's. When Lucifer is visited by an angel bearing an offer from Yahweh, this exchange happens:
-->'''Amenadiel''': I am told that you will name your price.
-->'''Lucifer''': That I may name my price or that I will name it?
-->'''Amenadiel''': Will.
-->'''Lucifer''': You'd think part of being omniscient would be knowing when to stop.
* Downplayed with Dr. Manhattan in ''Comicbook/{{Watchmen}}''. He's not exactly omniscient, but [[NonLinearCharacter knows everything that ever happened or will happen to himself personally]]. [[spoiler:Until a tachyon swarm disrupts his ability to see the future. He's overjoyed when he realizes that he doesn't know what's going to happen next.]]
* The Watchers in the MarvelUniverse have the ability to see and hear everything that happens in at least a solar system radius, and view alternate realities at will. They also share that information with each other periodically, so that any individual Watcher also knows what else was going on in the universe the last time that sharing took place. It is difficult but not impossible to hide activities from a Watcher.
* In ''Comicbook/XFactor: Investigations'' Layla Miller's catch phrase is "I know stuff." While she's not totally omniscient, she does tend to know just about everything about many of the situations they get themselves into. Often to the detriment of the team or their trust in her. It later turns out [[spoiler: that "knowing stuff" is not actually her ability, but a result of his future self downloading all her knowledge into her brain]]
* In the first ''ComicBook/ElfQuest'' series, Two-Edge apparently knew what all of the elves and trolls were doing, and spent years subtly manipulating them toward a final confrontation. [[NotSoOmniscientAfterAll Didn't work out too well for him in the end, though]].
* [[ComicBook/TheIncredibleHercules Hercules]] from Creator/MarvelComics was once imbued with true omniscience beyond anything possessed by skyfathers or most cosmic beings during the ComicBook/ChaosWar event. He literally knew anything he put his mind too. Unfortunately, it was completely useless thanks to his LeeroyJenkins attitude. He either charges in blindly or tricked by the BigBad into letting the villain into the heavens. It is only when his super-smart best friend and MotherNature both call him out on how dumb he is being that he bothers consulting it at all.
* The plot of ''[[Comics/EarthX Universe X]]'' revolves around Captain Mar-vell's attempt to gain omniscience by reuniting the pieces of his cosmic consciousness. ''Paradise X'' delves a little deeper into what that means, since the more approachable Kyle Richmond is also linked to the consciousness. He explains that he knows whatever answers he looks for, but can't see everything at once. Mar-vell seems to be a step or two above that.
* Trine from MysteryGirl has this as a result of a conversation with... someone... at a party. As a result she knows everything - or at least, the answer to all questions and mysteries - except why she has this ability, or who it was she talked to at that party. She uses it to make a living.

[[folder:Fan Fic]]
* The SuperSmoke being in ''Fanfic/CalvinAndHobbesTheSeries'' ''claims'' to be this.
* Doctor Strange in ''Fanfic/ChildOfTheStorm'' seems to be this. It later turns out that he isn't-he's just what happens when you give a {{Seer}} and masterful user of the ButterflyEffect and BatmanGambit the power to travel through time. He ''does'' have blind spots, and there are things he doesn't know...but generally speaking, it's a fair bet that whatever major event is going on, he a) knows about it and b) has had a hand in it.
* ''FanFic/{{Daughter Of The Sun}}'' has Rock, just like in the canon material.
* In the ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' fic ''[[http://www.fimfiction.net/story/241358/machinations-in-the-dark Machinations in the Dark]]'', even when trapped in a dungeon for over 1,600 years, Tobias seems to be aware of ''everything'' that happens in Equestria and he can read minds. He admits that he doesn't have the power to see the future, but he can extrapolate based on patterns of what he is aware of; his predictions are always accurate.

[[folder:Films -- Animated]]
* Played for laughs in ''Disney/{{Hercules}}'' with Hades and the Fates. He keeps trying to explain why he needs their help but they just keep saying "We know!"
--> '''Hades''': '''''I KNOW!''''' ''You'' know, ''I'' know, I get it! I get the concept.

[[folder:Films -- Live-Action]]
* In ''Film/{{Lucy}}'', as Lucy's mental powers evolve, she is able to perceive seemingly everything on Earth. When she recruits Pierre Del Rio, she is able to describe his desk in perfect detail without the aid of a surveillance camera.
* ''Franchise/TheMatrix'': The Oracle is really, ''really'' good at predicting people's decisions. She does admit that her abilities have limits: if she doesn't understand a choice being made, obviously she can't predict what the outcome of that decision will be. The reality, as shown in two Smiths commenting on how events transpired before, as well as the Architect's talk with Neo on the history of Zion and the Matrix, is that the Oracle and the Architect knows what will happen because the virtual world is in a type of ViciousCycle ever since its creation. [[spoiler:Neo breaks that virtual cycle, which was why the Oracle met her limitations to how he would react, only to have the cycle repeat to a good end, in the real world.]]
-->'''Neo:''' So she knows, what? Everything?\\
'''Morpheus:''' She would say she knows enough.
* ''Film/MenInBlack3'' has Griffin, an odd variant of actual omniscience. He can see all possible futures with perfect clarity... but he has absolutely no idea which possibility is going to actually occur until it does.
* In ''Film/{{Thor}}'', Heimdall can see and hear any event in the nine realms, but he has to be actively looking for it. Loki points out he has his limits, and Loki indeed knows of passageways between the realms that Heimdall is unaware of. In ''Film/ThorTheDarkWorld'', he can't see the Dark Elves' ships when they activate their cloaking tech, but he can still hear them.

* The Aash Ra in Adam R. Brown's ''Literature/AstralDawn'' series are all omniscient. Magali, who hides the fact she's one of the Aash Ra, uses her vast knowledge to aid the high spirits of light during the Astral War and helps Caspian fulfill his destiny.
* Vetinari from Literature/{{Discworld}} is ''not'' omniscient in the first sense. However, he does fit the second to a T, and many think that part of his amazing manipulation skill comes from being savvy enough to recognize 'main characters', which would place him squarely in the third category as well.
** Death himself fits this trope as well. In Soul Music, when Susan goes to meet him before she was even conceived, he recognizes her and answers the question she came back to ask him. He says:
--->'''Death:''' [[foldercontrol]]

[[folder: I have a unique memory. ]]
'''Susan:''' But I haven't even been CONCEIVED yet.\\
'''Death:''' [[/folder]]

[[folder: I did say unique. ]]

* Errand/Eriond from Creator/DavidEddings' ''Literature/{{Malloreon}}'' series. (He was in The Belgariad too, but didn't start displaying omniscience until the beginning of The Malloreon.)
** He generally acts like an ordinary, if somewhat [[CloudcuckooLander naive]], young boy, but when he feels it is 'appropriate', he reveals insight into things that neither he, nor anybody else, could possibly know. His first real display of this ability is when he quotes, word-for-word, a letter that was lost at sea in a shipwreck that left no survivors. And, when further questioned, it turned out that he also knew the exact circumstances BEHIND the sending of said letter, even though it all happened several hundred miles away. He never really loses this ability, but the ever-present 'Prophecy of Light' rather cleverly diverts the thoughts of the people around him, preventing them from trying to take advantage of it.
** At the end of the series, it is revealed that his ability was due to [[spoiler: him being, essentially, a sort of proto-god, who wielded a fairly impressive array of divine powers even prior to his ascension.]]
** Both the Prophecy of Light and Prophecy of Dark fit this, as they seem to have their hands in a bit of darn near everything to ensure their goals come to pass.
* Ivy (The Archive) in ''Literature/TheDresdenFiles'' is a small girl with the entire sum of all human knowledge, including magic, crammed into her head. This makes her [[PersonOfMassDestruction very dangerous]].
** A select few ancient, powerful beings possess an ability called ''intellectus'', which lets them know the answer to any question just by asking it. The catch being they have to ask the right question. They do not actually know everything and every moment so they can be caught off guard. A few possess a limited form of it. For instance, [[spoiler:the Skinwalker knows what will hurt someone the most, without knowing why. The island of Demonreach knows everything that happens on it. Part of the Archive's powers is that she can know everything that has ever been written down, even without access to the texts. The Archangels are implied to have the ''intellectus'' on ''everything''.]]
* The Nine-Eyed Fish from ''Literature/HollowPlaces,'' at least according to itself.
* ''Literature/TheLordOfTheRings''
** Galadriel functions as an omniscient oracle to the Fellowship of the Ring, particularly Frodo.
** [[BigBad Sauron]] has a variant of this ability; he can ''see'' (though not extend any of his other senses) anywhere in the world, so long as he isn't being blocked (and only the bearers of the Three Rings are shown to have the power to do this), but he isn't aware of everything at once and has to actively look for something to see it. This becomes a plot point in ''Return of the King'', when Aragorn deliberately manipulates Sauron into focusing on him to the point that he becomes blind to everything else (most importantly, Frodo).
* Rock from ''Literature/WarriorCats''. He knows everything about the Clans and the Tribe, and is able to explain it all to some kits in the ExpandedUniverse book ''Cats of the Clans''.
* The Outer Gods from ''Franchise/{{Cthulhu Mythos}}'', are all omniscient.
* TheGrimReaper in ''Literature/TheSecretsOfTheImmortalNicholasFlamel.''
* In ''Literature/DestinysForge'', Patriarch's Telepath is capable of reading minds all over Kzinhome, even those shielded by other telepaths, and it's rumored that his gift can even reach to other stars. He pretty much sees the whole plot of the book coming...[[AllPowerfulBystander and decides it needs to happen]], only giving events a few nudges here and there.
-->''I already know this. I am Patriarch's Telepath.''
* ''Literature/TheKingkillerChronicle'': The Cthaeh, a fae entity trapped in a tree and unable to act upon the surrounding world other than speaking, is an infinitely malicious version. It knows every possible outcome for any action that could ever be taken, including your own reactions. So whenever you speak to it, it will deliberately pick the exact words that would cause the worst possible result for the world at large; it has infinite choice, and it will ''always'' pick the worst. There is an organization dedicated to sniping anyone that speaks to it precisely because any contact with the Cthaeh turns you into the equivalent of a plague ship sailing for a busy harbor, bringing disaster wherever you go.
* Discussed in Creator/IsaacAsimov's "The Last Answer" by the godlike "Voice" that created the universe: it explains that, while it has infinite knowledge and power, it does not have ''complete'' knowledge, and indeed, might not even know all the gaps in its knowledge. One such gap is [[spoiler:[[DeathSeeker the means by which it could finally die]]]], and it created a universe of thinking beings solely to produce more data to obtain that information.

[[folder:Live-Action TV]]
* ''Series/GameOfThrones'': As an experienced greenseer, Jojen Reed can see things happening far away, in the future or the distant past, and can sneak into other people's dreams.
* In ''Series/{{Lost}}'', Ben or Jacob seem to know everything. Not at the same time, however. Ben's omniscience shrinks away as Jacob is gradually introduced as TheManBehindTheMan.
* In ''Franchise/StarTrek'' (from '''[[Series/StarTrekTheNextGeneration The Next Generation]]'' and ''[[Series/StarTrekVoyager Voyager]]''), you have Q. They are an entire race of beings that seem to be omniscient as well as omnipotent. They are all named "Q", but one individual shows up far more often than the others of his race. This particular Q typically use his powers to be as awesome as possible.
** Also, in one episode a mysterious alien probe gives Barclay superhuman intellect -- he proclaims "I understand... everything!"
* [[TheLancer Commander]] [[DeadpanSnarker Ivanova]], the [[NumberTwo Executive Officer]] of ''[[Series/BabylonFive Babylon 5]]'', prides herself on this, in regards to the operating and goings-on of the station. When [[TheCaptain Captain Sheridan]] decides to bring her in on his big secret, [[spoiler: that there is a secret Human-Minbari covert operations organization operating on the station, who will help the heroes fight the [[BigBad Shadows]]]], Ivanova reveals that she already knows all about it, casually remarking that if you were to ever discover that something was happening on the station that Ivanova did ''not'' know about, ''then'' you should worry.
** And of course, if we failed to mention '''[[LargeHam DRAAL]]''', [[IncomingHam He would be certain to let us know.]]
* ''Series/{{Supernatural}}'':
** {{Death}} is functionally omniscient. Every time Dean tries to tell him something, the bored-looking Grim Reaper notes that he's already aware. He does show surprise when the Winchesters summon him and ask him to [[KillTheGod kill an evil god for them]], so it seems he needs to focus his all-knowing powers for it to be effective.
** {{God}}, naturally, also seems to possess this trait. When they try to ask for his help, he relays through an Angelic messenger that he already knows everything they want to tell him, [[JerkassGods he just doesn't care]]. [[spoiler:He ''did'' write their story, after all...]]
* [[Series/DoctorWho The Doctor]] for all intents and purposes. He knows effectively everything that has happened or ever will happen across the whole of the universe, and on the occasions where he doesn't know something, it's because ''[[MySignificanceSenseIsTingling something is wrong]]'' and anyway, AwesomeByAnalysis will cover him until he sorts it.
** He does not, however, know his own personal future and actively avoids finding out about it, even with the presence of River Song (and to a lesser extent Amy and Rory), who know at least some of his future, including [[spoiler: how he dies]].
** And then we have Dalek Caan, a former member of the cult of Skaro who eventually [[spoiler: shifted himself through time to the Last Great Time War, saved Davros, and began the New Dalek Empire]]. However, this altered his mind, drove him insane, and showed him the whole of time and space. The result: he ''knows everything that ever has and ever will be''.
* The ascended Ancients in the ''Franchise/StargateVerse''. Upon AscendingToAHigherPlaneOfExistence, they become omniscient but [[ObstructiveCodeOfConduct can't share this knowledge with mortals]] nor can they keep it if they decide to be BroughtDownToNormal.
* The title character of ''Series/JohnDoe'' knows everything there is to know about everything, except his own identity.
* ''Series/TheCollector'': The Devil. The limits of his awareness and power are not entirely clear, but he can see into people's minds across the whole universe.
* The Aash Ra of the ''{{Literature/Astral Dawn}}'' series are omniscient.

* Averted by [[Music/DevinTownsend Ziltoid The Omniscient]] (who also provides the page quote), where Ziltoid claimed to be omnisicent, [[spoiler: but later went to the Omnidimentional Creator, who plays this trope straight.]]

[[folder:Mythology, Religion, and Folklore]]
* [[{{God}} Yahweh/Allah]] of the Abrahamic religions (Judaism, [[Literature/TheBible Christianity]], Islam, etc.) as well as God of monotheism in general -- in theory and according to the common "official" interpretation. In practice, it gets difficult, and interpretations vary.
** The stories in ''Literature/TheBible'', which no matter what some moderns may think were usually not meant by the ancients to be literal history, sometimes date back to times before monotheism, and often contradict each other in detail, can sometimes be read as describing Yahweh not knowing things without looking or waiting and seeing what will happen.
** Prescience is thought to conflict with human free will on the basis that a choice foreseen might as well be preordained. This depends on the view of just what free will means, though, which is more complicated than one might think. Among those who think there is a contradiction, some theologians/philosophers have let God maintain omniscience and compromised on human free will. Others have stated that since God is wholly outside time, he doesn't know things ''before'' they happen, so that's not a problem. Some have come to the conclusion that God's omniscience is limited so that he can't see the future past indeterministic events such as choices, though this can be accompanied by stating that just this is what omniscience ''really'' means, because you shouldn't ask for the impossible.
*** Alternatively, being omniscient means God sees the ''results of all choices'' (including the branched results based on other people's responses, and responses to ''those'' responses) which does not exclude the ability to ''make'' them.
** According to one interpretation, while God has complete knowledge of the past and present, he selectively uses his ability to see the future, and thus can be surprised or caught unprepared (by {{Satan}}'s FaceHeelTurn, for instance). So, while he does know much more than humans, he doesn't technically know ''everything''.
** People in general are not very good at applying such complicated concepts in their thinking even while theoretically accepting them, so a believer in God who states God to be omniscient might not actually think accordingly.
* Odin in Myth/NorseMythology, courtesy of his CoolChair that [[SurveillanceAsThePlotDemands lets him see the whole world]] and [[{{Seers}} precognition]] ([[DisabilitySuperpower which he bought with]] [[EyeScream his eye]].) The latter, however, overlaps with BlessedWithSuck since [[YouCantFightFate not even the Allfather could defy Fate]]. He also has two ravens that bring him the world's tidings every day, to fill in anything he misses.
* In belief systems such as UsefulNotes/{{Hinduism}} and UsefulNotes/{{Pandeism}}, there is an omniscient Creator entity, but omniscience does not translate into action on its part; in Hinduism, Vishnu knows all things, but is busy being entertained by the events unfolding within it; in Pandeism, the Creator experiences all things as they happen but cannot interfere because it has become our Universe; it can not know the ultimate future course of events, because it has become our Universe in part to see what that course of events will be.
* Myth/ClassicalMythology has many examples; the Moirai Sisters are notable examples, as they were the Goddesses of Fate.
* SantaClaus! He knows the names, locations and personalities of everyone in the world. Granted this can leave some children rather...[[BigBrotherIsWatching unsettled]].

[[folder:Other Sites]]
* ''Wiki/SCPFoundation'', [[http://www.scp-wiki.net/scp-343 SCP-343 ("God")]]. SCP-343 seems to have a knowledge of all topics, allowing him to speak with anyone about anything.

* The FinalBoss of ''VideoGame/{{Touhou}} 13: Ten Desires'', [[spoiler:[[BeethovenWasAnAlienSpy Toyosatomimi no Miko]]]], who has the ability to listen to the [[TitleDrop ten desires]], allowing her to know everything about any human she meets, as they are in the past, the present, and even the future. This was even more-so when she first resurrected, drawing all the desires of the humans in Gensokyo to her, allowing her to know a good deal of info about the MagicLand and its inhabitants before she even left her tomb.
* The ''VideoGame/LegacyOfKain'' series has the Elder God and Moebius, both of whom have such extensive knowledge of the timeline and predestination that they can be treated as this. Neither of them do any time-travelling themselves, yet both of them address Kain and Raziel as old acquaintances centuries before they chronologically meet them for the first time, and can continue conversations without any TimeTravelTenseTrouble despite not seeing them for centuries. Unsurprisingly, they are ''very'' good at manipulating events and outcomes, at least until [[spoiler: the ImmuneToFate Raziel and MagnificentBastard Kain work together to ''truly'' screw things up for them.]]
* Specifically averted in ''VideoGame/DuelSaviorDestiny''. God is omnipotent but not omniscient, so he's really pissed when stuff happens that he wasn't expecting. [[spoiler:This is why he wants to destroy and remake the universe into something simpler, something he has already done multiple times before.]]
* In ''VideoGame/{{Dota 2}}'', the hero Omniknight worships a being named the Omniscience, which crosses this over with aspects of a CrystalDragonJesus who grants him light-based healing magic.
* ''VideoGame/PonyIsland'': Baphomet the demon ''knows everything about you''. Your past, your present, and your future. '''Everything'''. However, he's not much of a conversationalist, you will only learn one truth at a time.
* ''VideoGame/{{Dishonored}}'' has [[HumanoidAbomination the Outsider]], an entity which can see all possible futures, pasts, and presents. However, knowing everything that ''could'' happen doesn't mean that he knows what ''will'' happen, and he states that his only source of entertainment is seeing what choices people will make (hence his lack of interest in influencing the actions of those he gifts with his [[PowerTattoo Mark]]). Though he also seems to think that humanity is [[HumansAreBastards depressingly predictable]].
-->''No one's watching Delilah now, except you. And me, of course. I see everything. I see forever.''
* ''Franchise/TheElderScrolls''
** This is believed to be one of the powers of the Hist, a race of [[TimeAbyss ancient]] and [[WiseTree sentient]] trees native to the Black Marsh who are worshiped by the [[LizardFolk Argonians]]. Through an unknown means, they are able to see into the future. Sensing the upcoming [[VideoGame/TheElderScrollsIVOblivion Oblivion Crisis]] and [[Literature/TheElderScrolls the trials]] that [[VideoGame/TheElderScrollsVSkyrim would follow]], they recalled most of the Argonians in Tamriel to the Black Marsh to combat these threats and, through their sap (which the Argonians drink to grow and communicate with the Hist), changed the Argonians physically to [[TookALevelInBadass better prepare them as weapons of war]].
** Hermaeus Mora, the [[OurGodsAreDifferent Daedric Prince]] of [[KeeperOfForbiddenKnowledge Knowledge]] who is also associated with Fate and Destiny, ''claims'' to be this, but there is evidence that he is not (and that fate is not definite in the ''ES'' universe). For one, a [[DragonsAreDivine dragon]] and a powerful [[OurVampiresAreDifferent vampire]] state that the [[TomeOfEldritchLore Elder]] [[TomesOfProphecyAndFate Scrolls]] (pretty much the closest thing to absolute truthful records) only predict what ''may be'', not what will be. Furthermore, the Scrolls themselves may change until the events predicted at a given time come to pass, at which point the words are absolutely fixed forevermore. So, what does this have to do with Hermaeus Mora? It undermines his claim to know all things, a claim implicitly undermined when he needs the [[PlayerCharacter Dragonborn]]'s help to obtain the knowledge of the [[NobleSavage Skaal]] In ''[[VideoGame/TheElderScrollsVSkyrim Skyrim]]'''s ''Dragonborn'' DLC. Why would a truly omniscient being need help to obtain knowledge? The answer: he only wants you to think he is omniscient. Mora is capable of lying, or at the very least, misleading people. He led Septimus to think the [[CosmicKeystone Heart of Lorkhan]] was behind that locked door (it was actually holding the [[GreatBigBookOfEverything Oghma Infinium]]), so his claims to knowing all could be part of a similar deception.


* ''Webcomic/ZeroPercentDiscount'': [[http://zeropercentdiscountcomic.tumblr.com/post/98867878253 A kid's shoes are allegedly omniscient]].
* ''Webcomic/DanAndMabsFurryAdventures'': [[EccentricMentor Fa'Lina]], though it's limited to the academy and she mistakenly refers to it as "semi-omni''potence''".
* [[http://en.wikipedia.org/wiki/Laplace%27s_demon LaPlace's Demon]] appears briefly in the [[http://dresdencodak.com/2009/01/27/advanced-dungeons-and-discourse/ "Advanced Dungeons and Discourse"]] strip of ''Webcomic/DresdenCodak''. When ordered to attack an InvincibleVillain, it immediately leaves, prompting another character to observe, "Guess he knew something we didn't."
* ''Webcomic/{{Homestuck}}'': [[color:green: Doc Scratch]] is this in theory. He has [[NotSoOmniscientAfterAll lapses]], you see, but he pieces together what's happening [[XanatosSpeedChess pretty quickly]].
--> Occasionally I discover there are things I have not always known. It gives me the opportunity to make deductions, which are practically always flawless. [[SmugSuper It's gratifying.]]
** Rose implies at one point that a fully realized Seer in Sburb could become this. John finds the idea of the already very smart Rose suddenly knowing ''everything'' to be rather disquieting.
* ''Webcomic/TheOrderOfTheStick'': the kobold Oracle. Complete with snarkiness and BreakingTheFourthWall.
* Ramas of ''Webcomic/{{Zodiac}}'' might turn out to be this. He can see the future, but his hints kinda makes him a one-man (-[[PettingZooPeople jackal?]]) [[TheOmniscientCouncilOfVagueness omniscient council of vagueness]].
* ''Webcomic/CaptainSNES'': The [[BigBad Sovereign of Sorrow]] claims to have the ability to see everything that is going to happen, but without a certain artifact containing some of her power, cannot see the past.
* Petey of ''Webcomic/SchlockMercenary'' affects the mundane high technology and surveillance version, as part of his "[[AGodAmI I'm just trying to do what I think a god would do in my position]]" thing. He's not actually omniscient yet, but he's good at faking.
-->''''Kweng:''' Breacher beacon detected. Shall I let it transmit?\\
'''Admiral Emm:''' Fine.\\
''''Kweng:''' It's simple text: "Admiral Emm. The Fleetmind will not interfere in this dispute, but we are watching."\\
'''Admiral Emm:''' Let them watch. We'll finish this in one of the bays.\\
''''Kweng:''' Oh, hey...there's more text now: ''"We can watch there, too."''
* ''Webcomic/UnionOfHeroes'' has "The One Who Knows." His superpower is that any fact known by at least three people will be known by him as well.
* In ''Webcomic/KillSixBillionDemons'', the GodEmperor Jadis forced herself to witness the true Shape of the Universe -- effectively punching through a YouCannotGraspTheTrueForm of literally cosmic scope. Omniscience came to her in a BrownNote that scoured her mind and body, leaving her [[DePowered de-powered]], [[DarkLordOnLifeSupport entombed in glass]], and capable only of whispering unerring but semi-coherent prophecies, which her [[VoiceForTheVoiceless priests]] are prone to misinterpreting in small but crucial ways.
* [[http://towerofgod.wikia.com/wiki/Guide Guides]] in ''WebComic/TowerOfGod'' are a downplayed example. They have an ability to see the future and to somehow see destinies that, absent rare special conditions, enables them to see the possible "paths" in any given situation or available to a person in the long term. So they basically know exactly what to do next. In a battle against a monster, a Guide can tell you how to AttackItsWeakPoint; they can walk straight through a maze, avoid traps, or solve a complex puzzle easily. The [[TheWikiRule comic's wiki]] also [[AllThereInTheManual tells us]] that "Guides have excellent analysis skills, and an A-Rank Guide can determine the power of an individual just by looking at them."

[[folder:Web Originals]]
* Los Hermanos, a member of the [[Roleplay/GlobalGuardiansPBEMUniverse Global Guardians]] is a duplicator a'la Jamie Madrox from ''ComicBook/XFactor''. He knows nearly everything worth knowing because sometime, somewhere, one of his duplicates has taken a course in it, or read a book about it, or currently works it as a profession.
* In ''Literature/{{Worm}}'' the Simurgh is so powerful a precognitive as to be effectively omniscient, being able to model the effects of her actions to achieve a domino effect which gets her what she wants. Unfortunately, she's also a monstrous [[KillAllHumans End]][[{{Kaiju}} bringer]] out to destroy humanity.
* In ''Podcast/WelcomeToNightVale'' Cecil, host of Night Vale's community radio show, sometimes speaks of things he by all accounts shouldn't have any knowledge of. At least twice he has narrated one of the nefarious plots that happen daily in Night Vale, at the precise moments they were taking place, the participants heard it on the radio.

[[folder:Western Animation]]
* [[ParodiedTrope Parodied]] on ''WesternAnimation/AdventureTime'' with the demon cat.
-->'''Demon Cat:''' Hello, Frank the human boy.\\
'''Finn the human boy:''' How did you ''almost'' know my name?!\\
'''Demon Cat:''' I have approximate knowledge of many things.
** In one episode Finn puts on a pair of [[GogglesDoSomethingUnusual magical]] [[SmartPeopleWearGlasses glasses]] that give him omniscience...but also [[WithGreatPowerComesGreatInsanity drive him insane]]. Amusingly, [[spoiler:he knew he would go insane and planned his BatmanGambit accordingly]].
* Clockwork in ''WesternAnimation/DannyPhantom''. Since he's the ghost of Time, he knows everything that has happened, is happening, or can happen.
* The god entity in ''WesternAnimation/{{Futurama}}'' knows what you're going to do before you do it...unless you do something else.
** Also Bender in "Overclockwise". He managed to calculate the reason we exist, which ceiling-fans will fall and Fry's and Leela's ultimate fate as a couple and possibly a lot more.
* [[GodOfEvil Trigon]] from ''WesternAnimation/TeenTitans'' is said to have this ability.
-->'''Slade''': What you fail to understand is that Trigon is all-seeing. His mind can be at any place, at any time.
* ''WesternAnimation/InvaderZim's'' first episode has the [[BigBadDuumvirate Almighty Tallests]] described as "all-knowing" and "all-powerful." They're...[[ManChild really not]].
* Bill Cipher of ''WesternAnimation/GravityFalls'' is implied to be this. He already knew who Gideon was before he summoned him.
-->'''Gideon:''' How did you know my name?!\\
'''Bill:''' Oh, I know lots of things. '''[[VoiceOfTheLegion LOTS OF THINGS...]]'''
* In ''WesternAnimation/AvatarTheLastAirbender'' and ''WesternAnimation/TheLegendOfKorra'', librarian spirit Wan Shi Tong ''claims'' to be this -- his name is literally "He Who Knows Ten Thousand Things", i.e. everything. However, he is dependent on whatever knowledge is brought to the library, either by his assistants or by outsiders, which makes him susceptible to corrupted and even outright wrong information. By ''The Legend of Korra'', his isolation from the human world has made him ignorant of modern society.
* In ''WesternAnimation/RegularShow'', Skips is [[CompleteImmortality the immortal]] yeti Mordecai and Rigby [[TheReliableOne always looks for when they have troubles]]. Due to his longevity and experiences of life, his omniscience always gets the job done, except for a few situations such as solving Error 219 in the computer and stopping Pops' sugar rush by eating more sugar.