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The Great Intelligence: The Doctor's life is a open wound. And an open wound can be entered.
The Doctor: No, it would destroy you—
The Intelligence: It will kill me. It will destroy you. I can rewrite your every living moment. I can turn every one of your victories into defeats. Poison every friendship. Deliver pain to your every breath.
The Great Intelligence planning to wipe out every victory of The Doctor, Doctor Who, "The Name of the Doctor"

Having been around since 1963, Doctor Who and its various related works have produced a variety of aliens, monsters, and other villains over the years, with some reaching a special level of evil.

All spoilers are unmarked. You Have Been Warned!

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Doctor Who

Recurring Enemies

The Master

  • The "UNIT Years" Master is the first incarnation to appear in the series and still remains one of the worst. The Master is a petty megalomaniac who hides under a veneer of suave charm and culture. Murdering a scientist in his first appearance, the Master leaves his shrunken corpse to signify his arrival. Masterminding the Nestene invasion, the Master causes numerous casualties and hypnotizes Jo into blowing herself up, along with the Doctor and everyone within the UNIT Headquarters. When this fails, the Master engineers his other nefarious plans: using a mind parasite to kill people through experiencing their worst fears; trying to start World War III with a nuclear missile; assisting the Sea Devils in reconquering the Earth by wiping out mankind, just to spite the Doctor and his love of humanity; using Kronos to destroy the entire civilization of Atlantis; and framing the Earth and Draconian Empire's for attacks on one-another, hoping to engineer a bloody war between the two, leaving them too weak to fight off an upcoming Dalek invasion. On the brink of death, the Master manipulates the ambitious Goth into assassinating the Lord High President, framing the Doctor, while he enacts a plan to ensure his survival, almost wiping out the Time Lords in the process. When this also fails, the Master plots his revenge for decades before trying to take the Doctor's body and remaining regenerations. Cruel until the end, this incarnation's final act is to hijack the body of the kind-hearted Tremas, killing him in the process.
  • This results in the "Tremas" Master who has the highest body count of any Master. This Master posesses all the intelligence of his predecessors, coupled with a thoroughly unstable mind. First seen while attempting to conquer Logopolis, the Master's attack accidentally causes the universe to begin collapsing, leaving a quarter of it destroyed by misfortune before it's stopped. Pretending to help the Doctor stop the destruction of the universe, the Master betrays and tries to use the peril to either take control of the universe, or allow it to be destroyed; he also kills the Fourth incarnation of the Doctor when he foils his plans. Kidnapping Adric, the Master uses him as a living computer to painfully force him to create Castrovalva to almost kill the recently regenerated Doctor. Attempting to steal the power of the nearly extinct Xeraphin, the Master murders the first-born Xeraphin and engineers a schism that results in a purely malevolent nature for the Xeraphin Hive Mind. Sending vicious Cheetah People to Earth, the Master kidnaps many innocent humans to use as prey or be infected and become Cheetah People themselves. Infected himself, he engineers his escape to Earth and tries to build an army of Cheetah People from a supply of brainwashed youths. Uncaring that his meddling would result in the obliteration of Earth, this incarnation of the Master was a destructive sociopath who reveled in his own vile nature.
  • The "Harold Saxon" Master is an unfathomably cruel, selfish psychopath who first appears in "Utopia". After successfully conquering Earth, the Master orders the population be decimated for no other reason than to satisfy his own violent impulses. Becoming a despot, the Master forces prisoners to watch as he incinerates Japan for his own amusement and abuses his servants and even his own wife. When the Master's mistreatment of his wife leads her to fatally shoot him, he refuses to regenerate, amused by the pain the Doctor will feel at being the last of the Time Lords. Once resurrected, the Master returns with an unending hunger, which he satisfies by trying to devour all humans. Although seemingly killed by Rassilon, the Master returns, creating a facility which agonizingly converts people into Cybermen. The Master falsely befriends companion Bill Potts over ten years, just to wait to cyberize her when the Doctor comes to save her in order to drink in her crushing despair. Loving how evil he is and not wanting to ever change, this Master murders his own future incarnation, putting his own existence in jeopardy to avoid any version of himself aiding the Doctor.
  • The "O" Master sheds any remaining semblance of sanity and becomes a full-on unhinged psychopath. Even before his first appearance, he had already slaughtered everyone on Gallifrey upon learning of the Doctor's identity as the Timeless Child. On Earth, the Master organized the invasion of interdimensional beings known as the Kasaavin, hoping to use them to kill everyone on Earth before taking care of them and his accomplice, Daniel Barton. Returning in the season 38 finale, the Master tortured the Doctor with the truth about the Timeless Child, all the while luring Ashad, the Lone Cyberman, to Gallifrey before killing him and using the Cyberium to create Time Lord-Cyberman hybrids to conquer the universe. Later returning in the guise of Grigori Rasputin, the Master teams up with the Cyberman and Daleks in order to make Earth a foundry for both, by triggering every volcano on the planet and killing every human on it. Kidnapping the Doctor and forcibly regenerating her into himself, The Master plans on ruining the Doctor's name by using their body to terrorize the universe and, when this is reversed, spitefully tries to kill the Doctor, leading to her regeneration. Defined by his jealousy of the Doctor and deep self-loathing, the Master didn't care who he hurt or killed in his attempts to destroy his nemesis and their legacy.


  • The Great Intelligence was one of The Doctor's vilest and most powerful recurring foes. Arrogant, extremely callous, and sadistic in nature, on multiple occasions the Intelligence attempted to conquer the Earth and wipe out mankind, solely to grant itself a permanent physical form. For one such plot in its debut, the Intelligence enslaved a kindly Tibetan monk, and kept the man alive for 300 years solely to serve it, leaving its victim with just enough freedom to be aware of this and to be tormented by the knowledge of what he had been used for. A being of pure consciousness, the Intelligence casually used its powers to brainwash, possess innocent people, or harvest the souls of living beings in the pursuit of its plans. The Intelligence also practiced a cruel form of destruction on people, manipulating them since childhood until it throws their lives away for its own benefit. Enraged by its defeats, the Intelligence made a final attempt to utterly break the Doctor by personally undoing every single victory he had ever won and destroying every friendship he had ever made by infecting every moment of the Doctor's lifetime, forcing him to feel this happening to him as he does so. Despite the great destruction this would cause throughout the universe and even though this would be fatal to the Intelligence as well, it was happy to do this purely out of spite at the Doctor foiling its selfish schemes.
  • Davros, who debuted in "Genesis of the Daleks", was a crippled scientist on the planet Skaro wherein two races were locked in a civil war. To win, Davros created the Daleks: powerful, murderous creatures that could feel only hate and rage for every other species and were designed to never be able to feel any positive emotion. To finalize the Daleks, when his superiors were about to cancel his immoral research, Davros engineered their extinction. Davros would return many times, improving his Daleks to wipe out or subjugate all other life with himself at their head and achieved the extermination of countless life forms. When he returned in modern times, Davros unleashed them on Earth, revealing a new objective: to cause a massive chain reaction with a Reality Bomb that would result in total destruction of all life except him and the Daleks. Nearing his death, he used the Doctor's guilt to manipulate him into coming to Skaro where he tries to edge him on into committing genocide against his creations in a vile attempt to prove them not so different. A man who has admitted he would unleash a virus to end all life solely because he could, Davros seeks power that will put him above the gods, and has remained one of the Doctor's most evil and tenacious foes.
  • Rassilon, debuting in "The Five Doctors", is the once-proud leader of the Time Lords. After becoming twisted, Rassilon sought immortality and power at the expense of all reality and everything that lived and even in the past had showed a predilection for "cleansing" lesser species. At one point, Rassilon drove the Master insane to use him as an eventual pawn. Over the course of the Time War between Time Lords and Daleks, Rassilon opted to wipe out all of space and time so the Time Lords would remain as pure consciousness, yoked to his will because he didn't see any other way to end it. Making things worse, he kills unnamed Time Lords for suggesting that they allow the Doctor to wipe out Gallifrey and end the Time War for the good of the rest of the universe and all that are suffering in it, because he doesn't want to die. Rassilion knows this will release a variety of evil and demonic forces that had been locked away after the Time War but doesn't care. With Gallifrey's survival, Rassilon hatches a scheme to trap the Doctor in his confession dial, resulting in the death of Clara Oswald and the Doctor trapped for four and a half billion years where he would die and return to life over and over again in a horrific cycle. When the Doctor finally escapes and returns to Gallifrey and refuses to cooperate with him, Rassilon tries to have him executed, despite everyone else seeing him as a war hero, earning his place as one of the Doctor's most diabolical foes.

Classic Series

Fourth Doctor

  • "Pyramids of Mars": Sutekh the Destroyer is a sadistic monster who desires nothing less than the extermination of all that lives so that nothing could challenge him. Once the security chief of the Osirian race, Sutekh grew so paranoid he even had his own loyal people slaughtered by his monster followers, climaxing in him destroying his home planet and the majority of his species, which forced the remaining 740 Osirians to band together and seal him away. Several thousands of years later, when archaeologist Marcus Scarman opened his tomb. Sutekh murdered Scarman and took control of his body in an attempt to free himself. He also had a devoted servant cooked to death as he didn't need him; was responsible for several innocent bystanders being strangled or crushed at the hand of his robotic servants; and finally personally tortured the Doctor before taking control of him. Upon release, Sutekh planned to use his immense powers to exterminate all that lived, declaring "all life is my enemy", knowing that nothing, not even the Time Lords, could challenge him.
  • "The Sun Makers": The Collector is a Usurian representative of the Company, who moved humanity's population from the exhausted Earth to first Mars and then Pluto, setting up a series of artificial suns. The Collector has created a brutal dystopia in which the humans are effectively slaves, where every aspect of their lives, including breathing, are taxed, often creating a vicious cycle where they are forced to work extra shifts to pay their debts, increasing their debts through dependence on stimulant drugs, until they are Driven to Suicide. Ordinary citizens are forbidden to see the sun, rebellion is kept in check by lacing the atmosphere with a chemical that keeps everyone in a constant state of fear, and crimes are punished by constant torture at "correction centers". The Collector plans to ultimately abandon the humans when they cease to be profitable, leaving them all to die when the suns run out of fuel. He sentences Leela to execution by boiling alive, gleefully noting "This is the point where I get a real sense of job satisfaction". Ordering mandatory time off so that the workers have to listen to her screams, then orders them to work unpaid overtime to make up for the drop in production. He treats even his elite with contempt, bullying his underling, Hade, and using his personal guard as a Human Shield during a rebellion. To end the rebellion he attempts to gas the city, killing even those still loyal to him.
  • "The Pirate Planet": Xanxia is a supposedly-dead queen of Zanak, who was so brutal and cruel that she is feared in legend long after her demise. To rejuvenate herself, she forced the Captain into transforming the entire planet into a special ship capable of jumping through space and plundering entire planets. Using this she proceed to wipe out ten entire worlds, killing untold billions, harvesting every scrap of mineral and material from them entirely so she could keep her body young, beautiful and immortal.
  • "The Power of Kroll": Thawn is the head of a methane refinery on a satellite to which the native population have already been relocated by human settlers. Thawn's desire to see the operation expand results in him planning genocide against the native Swampies so he can expand onto their settlement. To this end, he pays a gunrunner to supply them with faulty weapons, so they're not actually a threat but he can use the weapons as an excuse to slaughter them and then claim self-defense. When his plans get disrupted by the arrival of swamp monster Kroll, he laughs in delight as Kroll attacks the Swampies village openly hoping it might wipe them out, a moment that leaves his entire crew staring in disgust. He then decides to take advantage of the situation by launching a bombardment against Kroll, while also wiping out the Swampies as "collateral damage". Openly expressing his contempt for them, Thawn regularly talks about the Swampies as though they're mere animals, outright stating that his Swampie servant doesn't count as a person. When one of his crew objects and tries to stop the bombardment, Thawn, without a moment's hesitation, shoots him In the Back. Despite his overall low standing, by being willing to wipe out an entire race out of irrational hatred and the prospect of commercial gain, Thrawn managed to sink to a depth of depravity matched by few.


  • First Doctor: "The Rescue": Koquillion is also known as Bennett. To cover up a murder he committed, he murdered the crew of a human explorer ship, before wiping out the population of the peaceful planet Dido, unintentionally leaving only two survivors. He then lies to Vicki, the only other survivor of the ship and the daughter of one of the killed crew members, that the natives killed the crew, only keeping Vicki alive to corroborate his story. To maintain the illusion he disguises himself as Koquillion, and plans to convince the authorities to destroy the planet to removing all traces of his crime once they are both rescued. Upon the TARDIS arriving, he immediately tried to murder its crew as well, pushing Barbara off a cliff and causing a cave-in that buried the Doctor and Ian alive.
  • Second Doctor: "The Enemy Of The World": Ramón Salamander, while renowned publicly as a genius whose inventions helped the food shortage, secretly has his sights set on world domination. Keeping dozens of scientists prisoner in an underground shelter for five years, Salamander convinced them that a nuclear war rages on the surface and so they must create natural disasters to fight back at the evil armies ravaging the world. In fact, the disasters are killing innocent people, and Salamander is using them to gain popularity by leading relief efforts and predicting where the disasters will strike, while also discrediting the helpless officials. Others Salamander has been systematically killing, replacing all of them with people under his control. Caring nothing for his followers, Salamander never hesitates to remove those who outlive their usefulness, discrediting his original partner-in-crime and poisoning one of his puppets when he's unable to kill his superior. Suave, cunning and audacious as he is, at heart Salamander is nothing more than a power-hungry mass murderer, who manipulates innocents into killing innocents, all for his own benefit.
  • Third Doctor: "The Mutants": The Marshal, is a petty tyrant who nevertheless stands out through sheer depravity. A ruthless, hot-tempered, trigger-happy colonial overlord, the Marshal reigns over the planet Solos, whose natives are prematurely mutating. Abusing his position, the Marshal treats the natives with contempt, hunting the mutants for sport, as well as regularly gloating how pathetic, disgusting and diseased they are. Upon learning the humans are turning the planet back over to the Solonians, leaving him without his position of power, he arranges the murder of his superior, the only man who knows this, then personally murders his own assassin, framing the innocent dissident Ky. Angered by the Doctor's interference, the Marshal attempts to kill him by sealing him in an cavern, along with Jo, Ky and two of his own soldiers, Stubbs and Cotton, then tries to gas them all. He also leads the slaughter of Varan and his fellow Solonians when they attempt to mount a rebellion, and personally shoots Stubbs In the Back for trying to warn his superiors of his treachery. To ensure his dominion continues, the Marshal attempts to alter Solo's atmosphere, thus wiping out the entire Solonian population in order for it to be repopulated by human colonists with him as their ruler.
  • Fifth Doctor: "The Caves of Androzani": Morgus is the leading businessman of a human colony and descendant of the original settlers, whose power comes from his control of spectrox, which when refined can extend human life. He gained the monopoly with Sharaz Jek, who built the androids needed to harvest the toxic raw spectrox, then set Jek up to be killed in an eruption of boiling mud. The surviving Jek took revenge by using his android army to take control of the spectrox cave, but Morgus responded by financing a military expedition against him and then paying gunrunners to supply Jek with weapons in exchange for spectrox, deliberately prolonging the war so spectrox will remain scarce and he can charge higher prices. Morgus blows up one of his own mines just to increase the scarcity of the copper produced there, with massive loss of life, and closes down several factories, shipping the now unemployed workers to labor camps where he has just opened factories, turning them into his slaves. When the Doctor and Peri are suspected of being gunrunners, he orders them executed without trial as scapegoats. Then, learning the Doctor is still alive, he assumes he's part of a government investigation and kills the president by pushing him down a lift shaft, then spins it as an assassination attempt on himself and orders the lift maintenance man shot. Willing to murder any number of people for even the slightest personal gain, even in a complete Crapsack World, Morgus manages to stand out as a monster.
  • Sixth Doctor: "Timelash": The Borad is the vain, petty despot of Karfel, whose illegal experiments accidentally mutated him into a Morlex hybrid. Ruling from the shadows, the Borad imposes a vicious regime of constant surveillance, bans mirrors, and has all dissidents executed or thrown into the Timelash, an unstable time corridor of his own creation. Caring only about his experiments, the Borad kills numerous Karfelons when he transfers all the citadel's subsidiary electricity, including the hospitals, to his lab and personally executes his own councillors at the first hint of failure or duplicity, aging them to death with his time accelerator ray. Displeased with needing to rule from the shadows, the Borad ignites war by refusing to hand over the promised grain supplies to their neighboring race, the peaceful Bandrils, who are suffering a massive famine. Kidnapping Peri, the Borad attempts to recreate his accident on her, revealing that he plans to allow the Bandrils to wipe out the entire Karfelon species, then destroy their fleet, condemning the Bandrils to starve to death, all so that he can repopulate the planet with a race of mutants underneath his rule, having chosen Peri as his mate.
  • Seventh Doctor: "Delta and the Bannermen": Gavrok leads the Bannermen in a genocidal war against the Chimerons, wiping out the whole race except their queen Delta, who flees with the egg containing her daughter. Determined to wipe out this last Chimeron and the only surviving witness to his crime, Gavrok first goes to the tollport where she was last seen, gets all the information the tollmaster has out of him, tells him he's free to go then shoots him In the Back. He puts up a bounty for information on Delta's whereabouts, and when a Bounty Hunter contacts him to say she's on Earth, he gets a fix on the man's beacon and then blows it up, killing him. He blows up a bus full of innocent tourists, killing dozens, in case Delta is on board. When the Doctor approaches him under a white flag, Gavrok casually blows it away. On leading his final assault, he tells his men to kill everyone else but leave the princess, who has now developed to the appearance of a young teenager, for him, seemingly just for the satisfaction.


Thirteenth Doctor

  • Tecteun was once a Shobogan scientist who adopted the Timeless Child and, upon realizing the Child's ability to regenerate from fatal wounds, conducted experiments that effectively killed her over and over to research the power and splice the necessary genes into herself and her people, co-founding the Time Lords. Afterwards, Tecteun established the Division, coercing and enslaving her agents to manipulate the universe to her liking, in violation of the Time Lords' vow of non-interference. When the Doctor, Tecteun's once-adoptive daughter and former Division agent, began looking for answers to her past and the Division, Tecteun simply unleashed the Flux to destroy the universe and move onto the next to continue her machinations forever.
  • "The Woman Who Fell To Earth" & "The Battle Of Ranskoor Av Kolos": Tzim-Sha, aka "Tim Shaw", is a ruthless Stenza warrior who wants to become the leader of his species. He relishes in hunting people before murdering them, stealing their tooth, and implanting it on his face, racking up a body count of approximately thirty to forty. While targeting a man named Karl Wright, he is defeated by the Doctor, but his malicious and dishonest use of gathering coils, violating one of the few standards of his own brutal race, results in the death of Graham's wife Grace. Teleported to the planet Ranskoor Av Kolos, Tzim-Sha impersonates the deity of the Ux and spends 3,407 years abusing their incredible powers to steal five planets, obliterating entire populations, in order to dominate over them as a god. During that time period, he either kills or kidnaps dozens sent in the desperate attempt to stop him, climaxing with Greston Paltraki's crew. The surviving victims are imprisoned in stasis chambers as conscious trophies. He attempts to wipe out the population of Earth as revenge against the Doctor for defeating him in the past.
  • "Spyfall": Daniel Barton is the CEO of VOR, which he uses to track everyone who uses his technology. Deciding that human life was pointless, Barton allied with the Master and the interdimensional beings known as the Kasaavin. Barton experimented with overwriting the DNA of several spies as well as his own mother before using his technology to unleash the Kasaavin across the planet, with the goal of killing off humanity so that their DNA can act as storage for the Kasaavin presence.
  • "The Haunting of Villa Diodati" through "The Timeless Children": Ashad, the Lone Cyberman, is a vicious fanatic for the Cybermen; motivated by his own self-hatred for being human, he proudly abandoned his humanity to be converted. His conversion incomplete, he lacks the emotionless of the other Cybermen, ironically being the vilest of them all. Convinced it is his destiny to lead them to victory, Ashad traveled back in time to Villa Diodati in 1816 in search of the collective knowledge of the Cybermen, the Cyberium. Killing several people and almost converting an infant, rejecting him purely for being "weak", Ashad then began to open a portal that would tear reality itself until the Doctor gave him the Cyberium. Returning to his own time, Ashad led the Cybermen in hunting down the few human survivors of the Cyber Wars. Despising organic life, Ashad forcibly and painfully removed the organic components from his loyal Cybermen as they scream, and used the Cyberium to forge the Death Particle, a weapon capable of wiping out all life on an entire planet. Ashad's ultimate plan is to kill all organic life throughout the universe, leaving only the Cybermen to rule beneath him.
  • Flux (Season 39/Series 13): Swarm is an ancient being who serves the Anthropomorphic Personification of Time and seeks the end of the universe. Swarm held a grudge against the Fugitive Doctor and killed thousands of hostages to spite her before he and his sister Azure were imprisoned. Freed in the modern day, Swarm begins a murder spree to re-empower himself and attempts to kill the guardians of Time, causing massive destruction and death as a result. Swarm forcefully restores his sister's old personality and kills her husband. Sacrificing countless innocents to reach the Division base, Swarm reveals he intends to spread the destruction across the multiverse. Swarm begins to torture the Doctor repeatedly, saying he plans to do this for fun for all of eternity. Hijacking control of the antimatter wave known as the Flux, Swarm and Azure plan to have it destroy the universe and then reverse it and have it again destroy the universe and so on in a vicious cycle solely to spite the Doctor.


  • Tenth Doctor:
    • "Rise of the Cybermen" & "The Age of Steel": John Lumic is the creator of the Cybus Cybermen. Lumic is a cold-blooded, amoral snake of a man who was suffering from a terminal illness. To discover a path to immortality, Lumic had homeless people abducted and experimented upon to convert them into Cybermen, leaving their human brains trapped in robot bodies, forced to act to their programming. When the British government refused to bankroll Lumic's project, he decided to overthrow it by dispatching a horde of Cybermen to liquidate any potential dissidents to his rule, intending to eventually spread them across the globe.
    • "Smith and Jones": The Plasmavore taking the identity "Florence Finnegan" is a sadistic fugitive wanted for the murder of the "Child Princess" of a distant world—a crime she took immense pleasure in. When the Judoon isolate the hospital she's hiding in, Florence kills a doctor by forcibly drinking his blood, to allow her to assimilate his DNA and blend in with the humans. To escape her predicament, Florence sets up MRI equipment to blast out a wave that will kill everyone within the hospital and half of all life on Earth, remarking that the surviving half is her "little gift". Even when facing her impending execution, Florence activates the MRI device, attempting to doom billions of lives out of petty spite.
    • "Voyage of The Damned": Max Capricorn is a cyborg businessman who founded and owns a space liner company. Seeking revenge against the company's new board for voting him out, he attempts to frame them for genocide. Bribing the terminally ill captain of one of the cruise liners to lower shields and allow the ship to be critically damaged by a meteor storm, he causes the deaths of most of the two thousand crew and passengers, with Capricorn reprogramming the ship's robot servants to wipe out any survivors. Capricorn's plan is to have the ship crash into Earth, where the explosion of its engines will wipe out the entire population. The board will be blamed and Capricorn can retire quietly with money he has hidden away. To top it all off he ensures he himself is hidden aboard the ship, so he can watch as his plan comes into fruition. Possessing perhaps the pettiest reasons to commit mass murder in entire franchise, the Doctor rightfully views Capricorn with the disgust and contempt he deserves.
  • Eleventh Doctor:
    • "The Doctor's Wife": House is a sapient asteroid that has butchered hundreds of Time Lords unlucky enough to land on his surface and stitched their bodies into subservient playthings—also taking over the mind of an Ood to act as a servant—then hijacked the TARDIS for use as a new body, leaving the Doctor behind to die on the collapsing remains of his old body—and condemning its playthings to die without his influence. House then decides to use the Doctor's companions Amy and Rory as its new toys, forcing them into the labyrinth of the TARDIS corridors, torturing the two of them with nightmarish illusions, and taunting them with its catchphrase: "Why shouldn't I just kill you now?" House is a being that operates solely according to its sadistic principles of amusement and enjoys torturing whoever is unlucky enough to fall into its grasp. Death might be certain, but House makes certain that when the end comes, its victims will wish for death.
    • "The Crimson Horror": Mrs. Winifred Gillyflower presents herself as a kind-hearted, altruistic old woman, but is really a psychotic madwoman who stands out through sheer scope. Opening Sweetville factory, publicly portrayed as a vision of the future, the entire place was really a trap so she could kidnap those she deemed "perfect". Through the manipulation of Red Leech venom, Mrs. Gillyflower brainwashed her followers and put her victims into suspended animation, any "rejects" simply tossed into the sewers. Mrs. Gillyflower planned to launch vast quantities of the poison into the atmosphere, wiping out all life on Earth, simply so she, and her chosen few, could create a new Eden in her image. She denies her own daughter, Ada , a place in her new world condemning her to death because of Ada's blindness—even though it was she who blinded Ada, when experimenting upon her with the venom to provide a cure for herself. Revealing herself to be nothing more than a cruel hypocrite, Mrs. Gillyflower was willing to murder all of humanity just so she could live out her fantasies.
  • Twelfth Doctor: "Thin Ice": Lord Sutcliffe is a vile businessman from Regency England who captures an alien sea creature. Discovering that feeding it humans causes the beast to defecate remains which can be molded into bricks which burn better and cheaper than coal, Sutcliffe begins luring in innocents to kill for profit. Having done so for years and including children amongst his victims, Sutcliffe attempts to bomb the ice of the Frozen Fair to drop dozens of people to his monster.

Expanded Whoniverse

Big Finish Doctor Who

  • Doctor Who: The Monthly Adventures:
  • I, Davros Episodes  : Davros is as bad as ever. A Mad Scientist from birth, Davros locks his tutor in a radiation chamber and mutates him into a hideous monstrosity, and murders his own father for threatening his future scientific career. Promoted to head of the scientific division, Davros began producing horrific weapons, one of which he uses to slaughter hundreds of Thals. Davros also experiments on the remains of both his mother and sister, as well as having his Love Interest framed as a Thal spy and killed. Injecting pregnant women with radioactive compounds, Davros produces mutant Kaled children, a procedure that ends up horrifically killing the mothers. Davros then orders the Kaled council to give every Kaled child to him, wiping them out when they refuse, and has a desperate mother fed alive to her own mutated son. Being taken captive by the Daleks many years later, Davros tricks a Thal spy into thinking he will reform, only to betray her and use the poison she gave him to wipe out the Daleks to blackmail them into making him leader again. A psychopath who deems love a weakness, Davros rejects all chances at redemption and casts aside and betrays everyone close to him in his quest for supremacy.


  • New Series Adventures:
    • The Art of Destruction: King Ottak is the xenocidal ruler of the Wurm Empire. Having declared war against the peaceful Valnaxi simply because they were nearby, Ottak wiped them out and then set out to destroy all of their artwork as punishment for them fighting back. Upon landing on Earth, Ottak attempts to force the Doctor to lead him to the artwork, while planning to wipe out the "bipeds" afterwards simply for inhabiting a planet where the Valnaxi hid their art.
    • Silhouette: Orestes Milton is an alien Arms Dealer who specializes in mind-controlled, genetically altered sapient beings. When the Doctor and the Paternoster Gang investigate him in connection to a murder, he kidnaps Madame Vastra and Jenny Flint, and holds them hostage against the Doctor. During this time, Milton reveals that he has been having one of his "weapons", Empath, drain the life from angry Londoners to create a Hate Plague, which he will unleash on London for a product demonstration. Upon finding out the Doctor is a Time Lord, Milton decides to kill him, first exposing him to the hate plague to try to force him to kill Clara Oswald or die resisting, then ordering Empath to drain them both. Milton then hides in his spaceship and unleashes the hate plague, admitting to Clara that he's not sorry at all for any of it.
  • Puffin e-shorts:
    • "The Roots of Evil", by Philip Reeve: Director Sprawn was the leader of a human colony in the past. When he attempted to alter the atmosphere of an inhabited planet to be suitable for humans, despite knowing doing so would kill the native population, the Doctor drove him off the planet. Seeking revenge, Sprawn grows the Heligan Structure to a massive size to attract the Doctor, then has the genetically altered spores attempt to kill everyone on the Heligan.
    • "Nothing O'Clock", by Neil Gaiman: The Kin is a being that can travel through time to simulate an entire population. Using Time Travel to repeatedly spend the same money, the Kin buys all the land on Earth in 1984, and forces humanity into reserves where they starve to death. When the Doctor goes back in time to stop it, the Kin kidnaps and impersonates Amy to try to trick the Doctor into taking it to the beginning of the universe, in order to replace everything in the universe with itself, along with whatever it allows to serve or feed it.
  • Scratchman novel: Scratchman, or "Scratch", revels in his role as the Devil itself. Scratch goes from universe to universe, corrupting everything within into corrupted shells of themselves so he may feed on their fear and turn them into broken "Sallows", soulless beings he controls. Having broken his entire universe and consumed everything there, Scratch intends to do the same to the Doctor's own while weaponizing the Doctor's own fear to break his very soul.

Other Media

  • Doctor Who Magazine issues #266-271's "Wormwood": The Pariah is an ancient Gallifreyan super weapon that developed a mind of its own and decided to destroy all life in the universe. After being banished to Earth and merging with Abraham White, the Pariah spends the next 3,500 years pushing him and his organization, the Threshold, onto a plan to turn all of space into a minefield, which would destroy every ship in the sky, in the meantime embarking on plans that would destroy humanity's ability to reason with each other and give the Daleks control of an artificial sun to destroy and unleash their parallel universe counterparts onto the universe. Facing down her successor Shayde, the Pariah proceeds to beat him to death, mocking gloating that she "broke Rassilon's favourite action figure". The Pariah then steals the TARDIS, using it to shunt the Moon forward a second in time, killing the members of the Threshold and ultimately threatening to destroy the entirety of reality itself.
  • Torchwood:
    • Children of Earth: The Ambassador is a member of a race of Starfish Aliens called the 456 who incorporate prepubescent children into their physiology, as their bodies produce hormones that act as euphoric drugs to the 456. The children are kept as perpetually-childlike human reefers, one child shown as having been rendered hairless and immobile as a result of forty years of being used as a drug by the 456. After initial negotiations under falsely benevolent pretenses in 1965, the Ambassador returns in 2009 and bargains with the British government to take ten percent of the world's children under the threat of wiping out all humanity; to prove its power, the Ambassador unleashes a lethal virus throughout the Thames House that leads to the death of almost everyone inside, including Ianto Jones. Expressing callous disregard for the living beings it is harvesting, The Ambassador is reflective of Torchwood's darker nature and is one of the most disgustingly evil villains to ever come out of the Whoniverse.
    • Miracle Day: Oswald Danes is a former teacher who secretly molested several of his students. He is first seen—saying his victim should have run faster—on death row for the murder of one of said students, who was 12 years old. When the execution fails, Danes, using legal loopholes to be released from prison, takes Jill's offer to be the face of Miracle Day, which he revels in the attention of. When Jill reveals they plan to abandon him when is if no more use, Danes batters her, then runs away. Danes heads to Wales and joins up with Torchwood. His last moments are spent bragging about how he will chase his student in hell, while he blows himself up along with the Mother.
  • Class (2016): Corakinus, the Shadow King, believing the Shadow Kin's existence is a mistake, decides to destroy as many worlds as he can with his army. After wiping out the planet Rhodia, he relentlessly pursues the survivors Charlie Smith and Miss Andrea Quill on Earth. He kills the student Rachel Chapman in front of her boyfriend Ram Singh and slices off the boy's leg. Forced to share April MacLean's heart, he has his men search for a way to break the connection and kills them when they fail. When he duels with April he sends his minions to attack Ram. To prove how ruthless he is, he murders Ram's father and Tanya's mother right in front of them before starting the negotiation, and later attempts to kill Tanya's brothers as well. Holding Charlie's boyfriend Mattheusz Andrzejewski hostage, he orders April to surrender if she doesn't want to see the end of mankind. When she agrees, she reads in his minds that he has no intentions of respecting the bargain and plans to kill everyone no matter what they do.

Alternative Title(s): The Sarah Jane Adventures, Doctor Who, Torchwood, Doctor Who Expanded Universe