Classic Series Debut
Celestial Toymaker (First Doctor)
The Celestial Toymaker was a mysterious superbeing who ensnared sentient beings in apparently childish games, with their freedom as the stakes. However, the Toymaker hated to lose and every game ended in Heads I Win, Tails You Lose. The First Doctor had encountered him briefly before. He appeared in "The Celestial Toymaker", and would have returned in a sequel entitled "The Nightmare Fair". Due to Executive Meddling, Doctor Who then went into an involuntary eighteen month-long hiatus and the production team scrapped all previously commissioned storylines and decided to start afresh. The Toymaker returned in comics in Doctor Who Magazine, a Past Doctor Adventures novel, and Big Finish Doctor Who audio plays. The Nightmare Fair was eventually released as one of Target's Doctor Who novelisations and adapted to audio by Big Finish.
- Affably Evil: Unfailing polite to the Doctor and his companions. He doesn't want to kill the Doctor, he just wants to keep him around as his perpetual opponent because his intelligence makes playing games more fun and challenging.
- For the Evulz: Everyone he does is just because he's bored.
- The GM Is A Cheating Bastard: Downplayed somewhat. He actually does abide by a certain set of rules throughout the story, though that's not to say that going through his games is a pleasant experience.
- Graceful Loser: Defied. If he loses a game, his world is destroyed, and he simply creates a new one. However the victor is usually destroyed with the old world too.
- Heads I Win, Tails You Lose: Suicidal Cosmic Temper Tantrum if he loses; And I Must Scream if he wins.
- Humanoid Abomination: We never find out what the Toymaker actually is, only that's he immortal with god-like powers. In an expanded universe novel, the Toymaker is said to be a Great Old One, alongside Nyarlathotep, Hastur, and others from the Cthulhu Mythos. A young Doctor, Master, and others read about them and being young and impulsive decide to seek him out, totally underestimating his power.
- Another story claimed the Toymaker was really one of the six Guardians of Time, like the White and Black Guardians. He is supposed to represent dreams and fantasy.
- Monster Clown: He isn't as actively cruel and malicious as a lot of examples of this trope, but he's certainly a horrible person all the same.
- Physical God: The First Doctor claims that the Toymaker is an immortal and can't be killed. Even if his world is destroyed if he's defeated, he survives and just creates a new one.
- Psychopathic Manchild: He uses his powers to turn people into living dolls and make them play his twisted games, out of sheer boredom.
- We Will Meet Again: In his only televised appearance, the First Doctor mentions that the Toymaker is immortal, and that he fully expects to run into him again. Sadly he never did, at least not on screen, anyway.
- Who Wants to Live Forever?: He's driven to his villainy by the sheer boredom of immortality. He doesn't even mind the Doctor destroying his realm because at least rebuilding it will mean he has something to do.
- Wicked Toymaker: He abducts people to his little dimension, forces them to play lethal games, and threatens to destroy them utterly if they don't comply.
- World Limited to the Plot: His story takes place in his own personal dimension, his "toy room".
- Worthy Opponent: Considers the First Doctor one due to his brain power. It's why he wants to keep him around as his perpetual opponent.
- Yellowface: Borderline example, in that Michael Gough dressed as a mandarin and adopted the title of "Celestial", a word that the English associated with Chinese culture. But he did not adopt a Chinese-sounding accent or wear makeup.
The Great Intelligence (Second and Eleventh Doctors)
The Great Intelligence, which usually referred to itself simply as the Intelligence, was a disembodied sentience who attempted to find a body and physical existence. It first (from its own perspective) encountered the Eleventh Doctor, followed by the Second, and it got quite complicated from there.
- Aborted Arc: "The Web of Fear" strongly implies that there will soon be a third encounter with the Intelligence. In fact, such a story was being worked on under the working title of "The Laird of McCrimmon" (as the name suggests, it would also have been Jamie's farewell story). This was abandoned following Mervyn Haisman and Henry Lincoln falling out with The BBC over the abridgement of "The Dominators", and a dispute over the ownership of the IP relating to the Quarks. Nonetheless, the arc was un-aborted decades later in stories with the Eleventh Doctor.
- And I Must Scream: Padmasambhava is fully conscious while the Intelligence spends hundreds of years using his body to carry out its plans.
- Arch-Enemy: To Clara Oswald, who spends most of her reincarnated lives stopping the damage that he did to the web of time.
- Bad Boss: Eats the hired hands who obtain samples for it in "The Snowmen", and mindwipes its minions in "The Bells of Saint John" once the Doctor ruins its plans.
- Big Bad: He's the main antagonist of the second half of series 7. And for Season 5. (The Cybermen also appear in two stories, but GI appears in more.)
- Body Surf: One of its goals is to obtain a suitable physical body for itself.
- Brain Food: Feeds on human minds.
- The Bus Came Back: Became the main antagonist of series 7 after disappearing from the show for 44 years.
- The Chessmaster: He can play the role of a puppetmaster and manipulate countless humans to carry out his endeavours. He is responsible for a large amount of the events in Series 7. As of "The Name of the Doctor", technically he was partially responsible for everything that ever went wrong for the Doctor.
- Complete Immortality: The Intelligence has no physical form that can degrade or be destroyed. This has allowed it to survive despite losing multiple "receptacles" since the 1800s. Scattering itself across the Doctor's personal timeline, though, is implied to have finally killed it, unless it truly is the consciousness of Yog-Sothoth, in which case it's likely that it simply was reabsorbed into its original body, which exists across the fabric of time and space.
- Death Seeker: In his final appearance, the Great Intelligence has grown weary of eternal life, and is quite pleased to have found a way to end it. That he can take a cruel revenge on the Doctor in the bargain just makes it all the more irresistible.
- Eldritch Abomination: In "The Abominable Snowmen", he was introduced as a monster that existed outside time and space that possessed Padmasambhava through Astral Projection for 300 years. The Expanded Universe even suggests he is the disembodied conscience of Yog-Sothoth.
- Everything's Deader with Zombies: What he did to Staff Sgt. Arnold, and Edward Travers.
- Evil Counterpart: Moffat's reinvention of the Great Intelligence is a dark mirror of the Doctor, taking young "companions" it manipulates and feeds on for its own ends.
- Evil Is Hammy: In "The Snowmen", Ian McKellen's portrayal sees the Great Intelligence pile on a bit of ham, although afterwards, Richard E. Grant sticks to a cold-blooded, Soft-Spoken Sadist performance.
- Evil Is Petty: To take revenge on the Doctor for his interference in his plans, the Great Intelligence tries to avert every single one of the Doctor's victories throughout his life, not caring in the least that he's destroying himself in the process, or that doing so will mean the end of time and reality themselves.
- Evil Sounds Deep: Ian McKellen's portrayal has a deep, booming voice.
- Evil Has Good Taste: Likes wearing Victorian-era dress suits. Its minions in "The Bells of Saint John" and "The Name of the Doctor" also dress in nice suits.
- Faux Affably Evil: The very image of a polite Victorian gentlemen. Doesn't stop him from eating human minds and treating his minions like dirt.
- Have We Met Yet?: Meets the Eleventh Doctor, the Second Doctor (twice) and... well, then things get really, really complicated as he is ripped into a million pieces across the Doctor's entire timeline.
- Hell-Bent for Leather: Wears very stylish leather gloves, and makes a point of grabbing the Doctor's face with them.
- I Am Legion: Often refers to itself in the plural.
- Internal Homage: To the Expanded Universe novel Unnatural History, in which the Doctors lifeline becomes a scar woven through space and time, which the villain dressed as a Victorian undertaker is going to attempt to use to rewrite his life, until the Doctors companion (who hes met before in a different version) saves the day by leaping into it at the cost of her own existence.
- Interim Villain: The Great Intelligence was the Big Bad for Series 7, the only season of the Eleventh Doctor's tenure without the Silence.
- It's All About Me: The (self-described) Great Intelligence devours human minds, uses people up and tosses them aside, and shamelessly kills innocent people for the sake of his own selfish goals. He's even fine with reversing all of the Doctor's victories, endangering all of time and space, to end his own life (because he's tired of it) and to avenge himself upon the Doctor.
- Living Dream: "The Snowmen" suggests the Intelligence is the "darkest dreams" of a lonely, hateful man come to life. Dr. Simeon had his subconscious mind mirrored by alien snow which is implied in the Expanded Universe to be Yog-Sothoth. The Great Intelligence is later forced to separate from Dr. Simeon and possess Yog-Sothoth/the alien snow due to Dr. Simeon having his memories erased, and is later stripped even of Yog-Sothoth when the tears of an entire family take over the Outer God converting him into tears, thus leaving Dr. Simeon's subconscious mind as a being of pure intelligence.
- Its Yeti are actually robots, as it realized snowmen weren't going to cut it.
- Later the walking wi-fi base station "Spoonheads", robots that camouflage themselves to look human.
- Mind Control: Many of its plots involve brainwashing humans to do its bidding.
- More Than Mind Control: Dr. Simeon and Ms. Kizlet were fully aware of the Intelligence's influence on them, and yet wished to do its bidding anyway.
- Nice Hat: Wears a top hat in its Dr. Simeon form.
- Not Brainwashed: It's revealed that the mind exuding from the alien snow speaking to Dr. Simeon throughout his life wasn't the alien's own mind, but the mirroring of Dr. Simeon's subconscious mind, thus meaning he was doing his own childish bidding; and when his memories were being erased, the Great Intelligence/Dr. Simeon transferred to the Eldritch Abomination that was taking the shape of snow, only to be kicked out of said alien Eldritch Abomination by a grieving family on Christmas Eve.
- Origins Episode: "The Snowmen" explains how the Intelligence first came to Earth, adding to its debut earlier in "The Abominable Snowmen".
- People Puppets: Many of the humans its machines brainwash don't remember anything they did while under its control.
- Perpetual Frowner: The only time we see his Simeon form so much as smirk is right after he proves his point about not having a body.
- Pet the Dog: Subverted. The Great Intelligence the time to say goodbye to Ms Kizlet before wiping her memories, rather than doing it there and then, but given that he's still erasing her entire life, this can hardly be called an act of compassion.
- Soft-Spoken Sadist: After taking Simeon's appearance, the Great Intelligence never so much as raises his voice, always speaking in a low, chilling tone that displays his immense cruelty.
- Sore Loser: Wants to undo all the good the Doctor has ever done (which would undoubtedly wreck the timeline) just to get back at the Doctor for being constantly beaten.
- Who Wants to Live Forever?: Part of his motivation for breaking into the Doctor's tomb in "The Name of the Doctor" is a desire to find a way to end his eternal life.
Nestene Consciousness (Third and Ninth Doctors)
Ninth Doctor: Nothing, it loves you. You've got such a good planet! Lots of smoke and oil, plenty of toxins and dioxins in the air, perfect. Just what the Nestene Consciousness needs.
The actual mind behind the Autons. After a couple of stabs at invading Earth in the Third Doctor's era, they returned in 2005 out of sheer desperation, having lost their "protein planets" in a mysterious war.
- Anti-Villain: To a degree, it comes across as this in "Rose". After losing its planets during the Time War, something the Doctor claims he's partially responsible for failing to prevent, it plans to cannibalise Earth out of desperation to rebuild its race, rather than wanting to do so out of malevolence.
- Combat Tentacles: They nearly throttled the Doctor in "Spearhead from Space".
- Eldritch Abomination: According to the expanded universe, the Nestene Consciousness is the offspring of Shub-Niggurath, an actual Lovecraftian creation.
- Hive Mind: Controlling the Autons.
- Starfish Aliens: Whenever it (they?) takes a physical form, it's a decidedly weird one. Sometimes it's a space-squid, sometimes it's just a vat of talking molten plastic.
- Suspiciously Similar Substitute: To The Great Intelligence. It possesses plastic instead of people or robot yeti.
Sutekh (Fourth Doctor)
Sutekh: Evil? Your evil is my good. I am Sutekh the destroyer. Where I tread, I leave nothing but dust and darkness. I find that good!
Sutekh is the last of the Osirians, a powerful race from Phaester Osiris. Sutekh destroyed his planet and left a trail of destruction across the galaxy. In Egypt 7000 years ago he was imprisoned by the remaining 740 Osirians led by Horus beneath a pyramid, paralyzed by a power source from Mars. When archaeologist Marcus Scarman entered his tomb in 1911, Sutekh took control of him, planning to destroy the power source. However, when he was finally escaping his prison the Doctor sent the entrance far into the future, ageing Sutekh to death. Sutekh appeared in "Pyramids of Mars". He also shows up in the Faction Paradox series, though he also appears in the Bernice Summerfield series by Big Finish, both with their own rather exclusive conclusions to him.
- Always Someone Better: He's so powerful that if he gets loose, not even the full power of the Time Lords will be able to stop him. It took the combined efforts of seven hundred and forty one of his fellow Phaester Osirians to imprison him the first time Sutekh is that powerful.
- Ancient Astronauts: The Osirians inspired Egyptian Culture.
- And I Must Scream: Was physically immobile the whole time trapped in a pyramid.
- Bad is Good and Good is Bad: How he sees things.
- Been There, Shaped History: Sutekh's battle with Horus and the last of the Osirians inspired Egyptian mythology.
- Big "NO!": He lets one of these rip before his death.
- Card-Carrying Villain: "Your evil is my good. I am Sutekh the Destroyer. Where I tread I leave nothing but dust and darkness. I find that good."
- Cold Ham: He manages to out-ham Tom Baker without ever raising his voice above a malevolent whisper.
- Eldritch Abomination: At the time, the Doctor describes him as the worst threat he has ever faced, the greatest time of peril in the history of the Earth, and given his awakening would have rendered the planet a barren wasteland before he spread across the universe to kill everything, his concern was very much justified.
- Evil Cannot Comprehend Good: If Sutekh's last stab at bargaining with the Doctor is any indication he offers to spare the planet Earth (just Earth) and give it to him as "a plaything".
- Evil Sounds Deep: Sutekh's voice is deep and booming, as befits any self-respecting would-be god and Omnicidal Maniac.
- Invisible Means Undodgeable: His magic.
- Kneel Before Zod: If you refuse, he'll just psychically torture you into obeying.
- Knight of Cerebus: He's bad enough to make the Fourth Doctor scared.
- Last of His Kind: Destroyed his home planet, and the remaining 740 survivors have by now died.
- Mind over Matter: He uses telekinesis throughout the story to counter his own paralysis; at one point, he even uses his mind to contain the blast from a gelignite explosive. Doubly impressive considering the explosion is occurring in England and Sutekh's pyramid is in Egypt!
- Mistaken for Gods: The Osirians became the Gods of Ancient Egypt.
- Nepharious Pharaoh: He's a Sufficiently Advanced Alien with an Egyptian theme and Mooks disguised as Mummies.
- Omnicidal Maniac: Sutekh the Destroyer was a Sufficiently Advanced Alien with these tendencies to preclude the possibility that something that could challenge him might evolve.Sutekh: The alien who dares to intrude, the humans, animals, birds, fish, reptiles... all life is my enemy. All life shall perish under the reign of Sutekh the Destroyer!
- Physical God: Incredible mental powers, telekinesis even when paralyzed, and it is shown if he escaped he would be capable of destroying entire worlds. Not even the Time Lords could stop him.
- Really 700 Years Old: Really 7000 Years Old.
- Sealed Evil in a Can: Imprisoned in a pyramid in Egypt.
- The Social Darwinist: Despite already being one of the most powerful beings in the Universe takes this to extremes, he wants to destroy all life to prevent something that could kill him evolving.
- Soft-Spoken Sadist: Starts off as this. Frankly, it's a relief when he breaks out the ham.
- Tranquil Fury: He creepily and effectively whispers every word, even when torturing the Doctor. Until he's freed, when predictable characterization developments occur.
- What Is Evil?: Folder quote for Sutekh. He finds spreading destruction to be "good".
Black Guardian (Fourth and Fifth Doctors)
The Black Guardian was an anthropomorphic personification of forces opposed to the powers of light, as embodied by the White Guardian. According to the Expanded Universe, he was, together with the White Guardian and four others, part of the Six-Fold God known as the Guardians of Time.
- Anthropomorphic Personification: Represents chaos and evil.
- The Anti-God: He serves as an Evil Counterpart to the White Guardian.
- Arc Villain: For two different Story Arcs: The Key to Time and the Black Guardian trilogy.
- Badass Baritone: Villainous example. Any deeper and he'd be a Badass Bass.
- Big Bad: Of both the Guardian arcs.
- Card-Carrying Villain: The Shadow admits that both he and the Black Guardian have no desire for political power, they just love watching stuff getting blown up and people killed.
- Creepy Crows: Yeah, that's right. There's a crow on his head. Wanna make something of it?
- Deal with the Devil: Partly how the Black Guardian gets mortals to do things for him.
- Evil Sounds Deep: Valentine Dyall was well-known for his deep, rich, baritone voice.
- God of Evil: He represents chaos and darkness in the Doctor Who universe.
- God's Hands Are Tied: Can't be seen to intervene directly.
- Large Ham
- Manipulative Bastard: He's bound by rules that prevent him from acting directly, so he tricks unwitting pawns like Turlough and Captain Wrack to do his dirty work for him.
- No Indoor Voice: He apparently doesn't think making your mole conspicuous might in any way get in the way of success.
- Order Versus Chaos/Yin-Yang Clash: He takes the side of chaos in an endless, cosmic chess match versus the White Guardian.
Eternals (Fifth Doctor)
The Eternals were beings of immense power but limited creativity. They used the thoughts and emotions of so-called Ephemerals (their word for mortals) for their own ends.
- Blue and Orange Morality: The Eternals shown in "Enlightenment", like Striker and Marriner, simply do not understand human/Time Lord morality. Wrack is a bit more of a clear-cut villain, but still has shades of this.
- Complete Immortality: The Eternals dwell in the domain of Eternity, rather than the smaller one of Time. This means they are unaffected by Time and thus unaging. Another factor is that Eternals cannot be destroyed, only transferred back to Eternity. However, in the Doctor Who Magazine comic Uninvited Guest, the Seventh Doctor might have found a loophole.
- Eldritch Abomination: Exist outside of time and space in eternity, have great Reality Warper powers and they are to Time Lords what Time Lords are to other races.
- For the Evulz: As shown in the Doctor Who Magazine story Uninvited Guest, the more sadistic Eternals sometimes pose as gods and doom whole worlds in the process.
- Screw This, I'm Out of Here!: Supplemental material states they left reality after the Time War and never came back.
- Sealed Evil in a Can: They were the ones who locked away the Carrionites.
- Telepathy: They could use telepathy and create objects from the memories of Ephemerals, but their powers were not limitless and they could not read minds from great distance or from strong minds (though Adrenaline from the mind they're accessing helps greatly).
- Who Wants to Live Forever?: Eternity is boring, so they have to find something to do to occupy their time.
The Gods of Ragnarok (Seventh Doctor)
A trio of statue-like beings who possess phenomenal cosmic power, the "family" manipulate lesser beings into entertaining them in their Dark Circus, allowing them to live as long as they fulfil their craving for amusement.
- Action Figure Speech: The three Gods of Ragnarok indicate which of them is talking by raising and lowering their arms.
- Clarke's Third Law: They're an alien species powerful enough to be considered gods.
- Eldritch Abomination
- Evil Sounds Deep: All three have deep, booming voices.
- For the Evulz: The Gods of Ragnarok who were trapped in a parallel dimension (possibly by the Doctor himself) and take over a circus to force people to perform for them, just to alleviate their boredom. When they lose interest in an act, they kill the performer.
- Noodle Incident: The Doctor's previous encounter with them.
- Silicon-Based Life: They appear to be made of stone.
- The Stoic: Any kind of emotion at all is rare.
- Take That, Audience!: The Gods of Ragnarok can be read as this to the general audience at large. In the circus tent, they're presented as a rather dull family with no imagination of their own who just sit disinterestedly in front of a parade of entertainment moaning about how nothing's ever good enough to interest them no matter how creative it is, and anything they vote down is pretty much wiped out of existence. Could also be a Take That! at the producers of the show, never satisfied by entertainers (*cough* such as John Nathan-Turner *cough) no matter how hard they try to perform.
- Tennis Boss: The Doctor defeats the Gods of Ragnarok by using the mirror amulet to reflect their energy blasts and collapse the roof of their balcony seat on them.
- Who Wants to Live Forever?: Like the Toymaker, they are immortals whose prime motivation is boredom.
Light (Seventh Doctor)
An Eternal who manifests himself in the form of an angel, Light has made it his fanatical duty to travel through time and space, documenting every single species in the universe in his exhaustive "Catalogue of Life". Light detests change; so much so that that the process of evolution turns him completely genocidal.
- Archive Panic: Light gets a severe case of this when he tries to catalogue all of Earth's life forms.
- Camp: Just take a look at his appearance, not to mention his Large Ham tendencies.
- A Form You Are Comfortable With: Light is not really an angel, or even humanoid; like an Eternal he's simply "naturalised into" human form.
- Light Is Not Good: Literally. Although Light appears as a heavenly vision of white and gold, his motives are anything but pure, and he soon reveals himself to be insane, murderous and irrational.
- Our Angels Are Different
- Sufficiently Advanced Aliens
- Talking the Monster to Death: Light is infuriated by the fact that the Earth has changed, making the inventory he was working on meaningless. He resolves to destroy the Earth so it will stop changing. The Doctor points out the idiocy of thinking that you can stop change, and that everything in the universe is changing, including Light. Light commits suicide because he considers change a Fate Worse than Death.
Fenric (Seventh Doctor)
An evil entity from the beginning of the Universe that plans to make humans evolve into the Vampiric Haemovores. Defeated, but returns in the 2012 Big Finish audio "Gods and Monsters".
- Arc Welding: Revealed Ace being transported to Iceworld and Lady Peinforte's magic were his doing.
- Arch-Enemy: To the Seventh Doctor.
- Batman Gambit: Plans for his Wolves to open the flask once again.
- Bad Future: Trying to force one where humanity evolve into Haemovores. It's not clear whether this has been averted.
- Big Bad: Serves as this to the Seventh Doctor's era despite not appearing till his third season.
- Body Surf: Can do this between his "Wolves".
- The Chessmaster: He and the Doctor, who literally played chess. Though subverted with the Doctor tricking him with a blatantly illegal move.
- Clap Your Hands If You Believe: Haemovores can be held back by faith.
- Demonic Possession: How he manifests.
- Eldritch Abomination: Fenric is supposed to have been something from the dawn of time, possibly even earlier. The Expanded Universe gives us a more accurate identification: Hastur, the Unspeakable One, the Ragged King. YES, that one!
- Glowing Eyes of Doom: When he takes possession of a new host.
- I Have Many Names: Fenric, according to the Doctor.
- Kneel Before Zod:Fenric: The choice is yours, Time Lord. I shall kill you anyway, but if you would like the girl to live... kneel before me.
Ace: I believe in you, Professor.
Fenric: Kneel if you want the girl to live!
The Doctor: Kill her.
- Meaningful Name: Fenric comes from Fenrir, a wolf in Norse Mythology who would break free at the end of the world. And the Haemovores are called "Wolves of Fenric".
- Noodle Incident: The Doctor imprisoned him around the 3rd century after tricking him in a game of chess. It's not revealed exactly what happened.
- Out-Gambitted: He thinks that he's The Chessmaster, but the Doctor has an Ace up his sleeve.
- Psychic Powers: Despite being imprisoned, he can still transport people through time.
- Red Eyes, Take Warning: When he possesses Judson.
- Sealed Evil in a Can: And the can got opened...
- Stable Time Loop: Apparently trying to perform one. The Ancient One getting transported back and spreading poison will enable the Haemovores to evolve. Subverted when the Ancient One performs a HeelFace Turn and destroys Fenric's host body in a Heroic Sacrifice.
- Viral Transformation: How the Haemovores are created.
- You Have Outlived Your Usefulness: When Fenric no longer needs the Haemovores, he orders the Ancient One to kill them all.
Revival Series Debut
Reapers (Ninth Doctor)
Winged dragon-like monsters from the Time Vortex who feed on temporal paradoxes. Completely invincible, the Doctor describes them as being like bacteria infecting a wound in history, running rampant in the aftermath of the Time War now that the Time Lords are gone.
- All There in the Script: They are never identified by name in-universe; the name "Reaper" comes from the script, as well as other sources such as Doctor Who Legacy and the comic The Four Doctors.
- Clock Roaches: They "sterilize the wound" left by a temporal paradox Rose created.
- Early Installment Weirdness: The Reapers feel like an important addition to a show that revolves around time travel, but they're never seen or mentioned after this episode, even in cases a where a paradox should lead to their appearance.
- Eldritch Abomination: They come from outside time, and appear when paradoxes are created to feast, and can't be damaged or destroyed.
The Beast (Tenth Doctor)
A being of great power who claims to have fought the Disciples of the Light before the Universe was created, and was later imprisoned on the planet Krop Tor, circling a black hole. Describes itself as the Devil, which greatly upsets the Doctor's belief system, although he ends up using the description himself for lack of a better explanation. It is given the chance to escape when human explorers fly onto its planet and drill through to its cell. Its mind plans to escape by possessing the team's archaeologist Toby Zed, leaving its original body behind in its prison, but is eventually prevented by the Doctor opening the Beast's cell, activating its failsafe and causing the planet to fall into the black hole, along with the Beast and Toby.
- As Long as There is Evil: See the above quote. Rose decides to put this to the test.
- Attack of the 50-Foot Whatever: Look at that picture. That's the Doctor between the two pillars standing in front of it.
- Badass Baritone: Even the Doctor compliments his voice.
- Badass Boast: Almost everything it says.The Beast: This is the Darkness. This is MY domain. You little things that live in the Light, clinging to your feeble Suns... which die. Only the Darkness remains.
The Beast: I am the sin; and the temptation. And the desire. And the pain and the loss.
- Batman Can Breathe in Space: Humans possessed by it can.
- Big Red Devil: It claims to be Satan, and it certainly looks the part. No sign of a pitchfork though.
- Body Surf: After screaming orders at the Ood telepathically, it travels into three of them as smoke from Toby to possess the entire hive mind, while still hiding in Toby.
- Break Them by Talking: Reading people's minds and taunting them by playing on fears and insecurities.The Beast: Mr. Jefferson, tell me, sir: Did your wife ever forgive you?
Jefferson: I don't know what you mean.
The Beast: Let me tell you a secret. She never did.
- Cardboard Prison: Averted, its prison was designed to be VERY difficult to get out of, and if broken, it would fall into a black hole before it could properly escape.
- Demonic Possession: First it possesses Toby after he handles ancient artifacts, then it possesses the empathic Ood. Toby manifests runes on his skin, red eyes and grey lips, but the Ood gain red glowing eyes and speak through their orbs in the Beast's voice.
- Devil, but No God: If you believe that the Beast actually is the Devil, then the proof for a God is that the Beast fought the Disciples of the Light, who possibly could be followers of a God. Also, the Ood mention that "he will rise from the pit and make war on God."
- Devil in Disguise: When it hides in Toby it sounds like him when it wants to.
- Did You Just Punch Out Cthulhu?: Rose and Doctor throw a being claiming to be Satan into a black hole.
- Dug Too Deep: How Humanity, and by extension, the Doctor cross his path.
- Eldritch Abomination: It claims to be older than time itself, and its origin is logically impossible even by the Doctor's standards.
- Empty Shell: The Beast's body, as its mind has escaped to possess Toby and the Ood.
- Evil Is Not Well-Lit: Invoked by the Beast and discussed by the Doctor. The Beast preys on basic, childish fears within people to defeat them, such as fear of the dark. As soon as the humans get the lights in the Sanctuary Base working again they feel better.
- Evil Sounds Deep: He shares a voice actor with Sutekh.
- Fantastic Racism: The Beast treats human beings as nothing more than pathetic, fearful monkeys that are no danger to it. The only character it treats with even a hint of respect is the Doctor, and only because he can insightfully analyse it and form a plan to fight it.
- For the Evulz: Why it kills Scooti.
- Game Face: As Toby, having red eyes, blue lips and glyphs on his skin.
- Genius Bruiser: When it faced the Disciples of the Light, it was with that giant monster form. In order to escape its prison the Beast split itself into its Genius and Bruiser parts to let the Genius escape.
- God of Evil: What it inspires in some religions, as well as war gods and devil figures.
- I Am Legion: It even says the exact quote.
- I Have Many Names:The Ood: Some may call him Abaddon. Some may call him Krop Tor. Some may call him Satan. Or Lucifer. Or the King of Despair. The Deathless Prince. The Bringer of Night.
- Leaking Can of Evil: It possesses Toby and dozens of Ood even before its prison door opens up.
- Legions of Hell:
- In the Torchwood season 1 finale, Abbadon the "Son of the Beast" is revealed to have been imprisoned in a similar manner in the Cardiff Rift on Earth. In supplementary materials, Tosh speculates that there might be other demons trapped elsewhere in the universe in secret prisons...
- The Ood serve as this on the space station while his body is chained. They even call themselves the Legion of the Beast.
- Lovecraft Lite: The Doctor and Rose send its body and mind flying into a black hole.
- Manipulative Bastard: The Doctor quickly calls out the Beast out on playing on basic fears, such as fear of the dark or an abusive parent.Danny: But that's how the devil works.
The Doctor: Or a good psychologist.
- Many Spirits Inside of One: Inverted. The single Beast possesses many Ood, as well as Toby, at once.
- Mark of the Beast: Toby is covered in glyphs that are so old that the TARDIS can't translate them when the Beast possesses him.
- Maybe Magic, Maybe Mundane: Is he really the Devil, or just a Sufficiently Advanced Alien who happens to resemble our popular conception of the Devil and perhaps was even the basis for our and other Devil myths? Never established for certain, though the episode hovers closer to the former explanation.
- Mind Control: His signature power.
- Mind over Matter: Telekinetically shatters reinforced windows, cuts cables and opens its pit.
- Mysterious Past: The only hints at the Beast's past are its claims (which can't be trusted or proven), some vague cave drawings the Doctor finds nears its cell, and humanity's own Devil myths.
- Name's the Same: According to the Great Intelligence, "the Beast" is one of the aliases the Doctor collects over time.
- Nigh-Invulnerability: It's strongly hinted that the mind of the Beast can never be destroyed, that it will live on in the minds of every being in the universe.The Beast: I shall never die! The thought of me is forever: in the bleeding hearts of men, in their vanity, obsession, and lust! Nothing shall ever destroy me! NOTHING!
- Our Demons Are Different: This one may be the inspiration for all the ones who followed.
- Outside-Genre Foe: In a strictly sci-fi series, a creature appears claiming to be Satan himself. Even better, there is more evidence for the idea it really is the Devil.
- Playing with Fire: Toby breathes fire when the Beast possesses him and is ranting when the Doctor destroys the gravity field, dooming himself, the Beast and the human survivors.
- Psychic Powers: The Beast possesses telekinesis, technopathy and telepathy, which it uses to attack, possess and terrify the Sanctuary base crew once its mind separates itself from its body. It also foretells Rose's death announcement after the battle of London between the Cybermen and Daleks.
- Red Eyes, Take Warning: It's a sign that the Beast has taken someone over. He can hide it when he wants to, though.
- Satan: The Beast claims it is one of his names, and apparently inspired not only Christianity's Devil, but the Devil figures in every religion to have one in the entire universe.Toby: It was so angry. It was fury and rage and death. It was him. It was the Devil.
- Scary Teeth: Big scary demon teeth!
- Sealed Evil in a Can: It's so powerful it was sealed miles underground the surface of a planet precariously orbiting a black hole, meaning that any attempt to escape would send the Beast and the planet to fall into it. These Disciples of the Light guys really didn't want this guy to escape and one can see why.
- Shout-Out: A homage to Event Horizon and Prince of Darkness as well.
- Slasher Smile: When it gets to do its first kill in eons.
- Sliding Scale of Villain Threat: At least universal when unbound and possessing its own body. Its mind alone is certainly a planetary threat, possibly greater.
- Technopath: Voluntarily or not, it makes the A.I. controlled doors, the hologram display, the Ood's speech devices and Rose's mobile phone announce its imminent release.
- There Is No Kill Like Overkill: If it escapes from its prison, then it falls into a black hole. The Doctor states that the Devil is really an idea shared among societies, so even this may not truly kill it. In any case, the Beast's prison planet falls into the black hole, apparently with its body, while its mind possessing Toby follows it to the same fate.
- Time Abyss: It existed before the universe, though the Doctor claims that is impossible (it lampshades his Arbitrary Skepticism). Nevertheless he concedes it could have existed at the start of the universe.
- Ultimate Evil: If the Beast is what it claims, then it is the first and most powerful evil being to have existed, corrupting every sentient being in the universe.
- Villainous Breakdown: When the Doctor dooms it to fall into the black hole, both the Beast's mind and body rant, thrash and breathe fire.
- Voice of the Legion: The Ood speak in this when possessed.
- You Cannot Kill An Idea: Although the Beast is defeated, it still possesses psychic influence over every being in time and space.
The Midnight Entity (Tenth Doctor)
A strange creature found on the inhospitable planet Midnight, which possesses Sky Silvestry. Its physical appearance is never shown, if it has one at all. While possessing Sky, she repeats everything that is said, then she speaks at the same time as others, before finally focusing on just the Doctor and speaking before him, stealing his voice.
- Demonic Possession: While it doesn't appear to be a demon, its hold on Sky Silvestry is pretty much this.
- The Disembodied: It's suggested the creature might simply be a disembodied consciousness, as the Doctor asked if it wanted a body. Which would explain how it could survive in X-Tonic radiation and how it entered Sky's mind, although it doesn't explain how it can knock on the hull and rip the ship apart.
- The Dreaded: This thing terrifies the Doctor in a way almost no other villain in the history of the show can match.
- Eldritch Abomination: Manages to achieve this status without any special effects whatsoever.
- Faux Affably Evil: Once it has the Doctor at its mercy, the entity speaks up, pretending to be Sky, grateful for being freed from a state of helplessness, all in a tone that drips with malevolence.
- Generic Doomsday Villain: Done effectively nothing is known about what it plans to do or where it comes from, and it comes off as all the scarier for it.
- No Name Given: Not even a nickname, the term "Midnight Entity" comes from the TARDIS Data Core Wiki.
- Nothing Is Scarier: When the Doctor tells Sky to turn around, any experienced viewer will know that something terrible will have happened to her appearance. The fact that there's no obvious change to her just adds to the fear of the moment. Also on a meta level. We don't know what species it is, we don't know where it came from, we don't even know if it died. All told, we know next to nothing about it.
- Psychological Horror: The creature is never physically shown, and all the fear mechanism stems from the way its possessed victim behaves.
- Smug Snake: Once it has a voice of its own, it revels in the Doctor's helplessness, but quickly says too much, cluing the Hostess in to the truth of the situation and earning itself a one-way ticket back out into "the dark, and the cold, and the diamonds".
- Stop Copying Me: Played for maximum horror. First it repeats you, then it mimics your words in perfect sync... and then it starts talking ahead of you.
- Ultimate Evil: By the end of the episode, the Doctor has no idea what it was or if it's still out there. He can only recommend that the entire planet be evacuated.
- Uncertain Doom: It could already survive on the surface of Midnight, so it's not entirely clear if being dragged out there while possessing Sky might have killed it. The Doctor isn't willing to take any chances and makes sure that the entire planet is evacuated and declared off-limits.
- Woobie, Destroyer of Worlds: Based off what Possessed!Sky said about it, Midnight is not a pleasant place to live. When it realizes that it's going back outside, it lets off an absolutely terrified scream.Sky: Cast him out. Into the sun. And the night. The starlight waits. The emptiness. The midnight sky.
House (Eleventh Doctor)
A sentient and parasitic Genius Loci Planetoid that primarily feeds on TARDISes.
- Demonic Possession: It rips the TARDIS' soul out of her shell, stuffs her into a human body, and then takes over the shell itself when it finds out there are no more TARDISes.
- Genius Loci: As the Doctor puts it:"This asteroid is sentient."
- Sickly Green Glow: Represented by this. When it possesses the TARDIS, the normally golden lighting, inside and out, changes to green, most noticeably when it tracks the Doctor, Amy, Rory and Idris to the old console room they're in.
Akhaten (Eleventh Doctor)
Also known as "The Old God", Akhaten is a parasitic, monstrous creature that's as large as a planet. It's so big, in fact, that it has its own centre of gravity, and has several inhabited asteroids surrounding itself. Akhaten awakes from its slumber every thousand years at the Festival of Offerings on Tiaanamat, where it feeds off the memories and experiences of the inhabitants.
- Eldritch Abomination: Akhaten is actually revealed to be an unbelievably ancient, sentient, planet-sized parasitic monstrosity of immense power with formless features that must be kept asleep, otherwise it will devour everything.
- Emotion Eater: "Grandfather"/the Old God feeds on emotions and stories.
- God Is Evil: Akhaten's true nature is a merciless parasite that has to be appeased with memories and kept asleep with Music Magic. When the mummy stirs, the songs changes to a much more urgent "never wake from slumber".
- God Is Good: Akhaten, the sentient planet god of the seven systems, is referred to as "my warrior" and "my hero" in the songs. This suggests that the songs are to assure him that everything's fine and he can continue to rest his "holy head".
- Genius Loci: It's either a sentient planet or simply a being so gigantic that it might as well be.
- Phlebotinum Overload: The Old God feeds on the life experiences of others. The Doctor tried to invoke this with his own memories, and came pretty close, but the planet survived that. When Clara offers it "the most important leaf in human history", containing not only the experiences of its owner but all the experiences they could have had, it implodes.
- Too Spicy for Yog-Sothoth: The Doctor's 1200 years of far flung adventures are not quite spicy enough to bring down Akhaten. Clara's leaf of infinite possibilities does the trick.
The Boneless (Twelfth Doctor)
Creatures from another plane that only understand two dimensions, and have entered our world through Bristol and have started taking people and turning them flat.
- Ambiguously Evil: It's really unclear why they decided to enter our dimension, whether they want to communicate with us, study us or eliminate us one by one. The Doctor ponders this question for a while, but eventually lands on them as aware of their actions, but too callous to care, and banishes the Boneless to their home dimension to keep them from causing any more damage.
- Eldritch Abomination: Creatures that come from a 2-D plane of existence.
- Flat World: Their universe is two-dimensional, so they're from a very literal version of this trope.
- For the Evulz: As enigmatic as they are, it is made clear that they are gleefully aware of the harm they're causing.
- Hidden Agenda Villain: Their motives are left deliberately unclear and many hypotheses are brought up during the episode; perhaps they're here to contact us, kill us all, dissect or study us and don't even know that we require 3 dimensions to survive.
- Humanoid Abomination: Eventually they take the form of those they've killed when they finally understand 3 dimensions.
- Known Only by Their Nickname: Their real name is unknown due to being unable to communicate. The Doctor dubs them "The Boneless" since he found "Killer Graffiti" rubbish.
- Paper People: Comes with being 2-D lifeforms.
- Starfish Aliens: Beings from a 2-D dimension that are attacking Earth.
- Starfish Language: The TARDIS is unable to translate their language because being aliens who don't understand the concept of a third dimension are even too bizarre for her standards.
- Stealth Pun: They're two-dimensional in more ways than one.
- They Would Cut You Up: Rare alien-on-human example. They turn humans into 2-D and dissect them to understand their bodies so they can become 3D.
- Zombie Gait: When they take the appearance of those they've killed, the creatures run after everyone this way. Having a rudimentary understanding of 3D and human anatomy, their walking style is crude and zombie-like.
The Solitract (Thirteenth Doctor)
An impossibly old form of consciousness, born alongside the universe itself. But its sheer alien nature was a threat, so it was banished to its own plane of existence.
- Animalistic Abomination: Adopts the form of a frog.
- A Form You Are Comfortable With: Part of how it lures people into it, but eventually it finds a form its comfortable with. A talking frog.
- Genius Loci: The best way to describe it is that it's an intelligent universe.
- Tragic Monster: It ultimately doesn't mean any harm to the people it abducts, it's simply UNFATHOMABLY lonely. It even is willing to let the Doctor, its last remaining companion, go free for both their sakes.