History Main / DeadlyDoctor

* In the ''VideoGame/{{Fallout}}'' games:

** ''VideoGame/{{Fallout 3}}'': Your Father just, ''on a whim'', decides to escape a secure vault, cross the wasteland from one side to the other with no companions (a feat replicated only by your stupidly powerful character) and no armament except a ''hunting rifle''. He then proceeds to enter and leave a super-mutant infested building (unwounded!) and then a mind-control simulation pod before he [[spoiler: calmly sacrifices himself in an attempt to wipe out the leader of the Enclave assault on the Capital Wasteland.]] He is a badass doctor like no other.

* In ''{{Pathology}}'', a group of residents in prestigious pathology residency program entertains itself with a secret after-hours game at the morgue of who can commit the perfect undetectable murder using their knowledge of medicine and forensic pathology.

* Atrocity from ''Brennus'' her specialty is medical equipment.

* Bonesaw from ''Literature/{{Worm}}'' is an expert in biology and surgery. She uses her talents to great avail, granting her fellow super villains sub-dermal armor, making controllable zombies from dead heroes, and [[spoiler:turning Grue into a room's worth of pure, agonized, nerve cells.]]
* Dr. Alcia Gomez in ''LetsPlay/SpeedballXCOMEnemyWithin'' is a therapist version of this trope. She uses her background in psychology and mental health to counter the Thin Men's attempts at psychological warfare... and to distract them.

[[folder:Comic Book]]

Unless, of course, [[DarkIsNotEvil he's good]]. Which [[NoCureForEvil there is a fairly good chance of]], being able to [[CombatMedic heal as well as harm]].

* In ''Film/GreenForDanger'', the murderer has to be one of the medical personnel present in the operating theatre when Higggins died. When the killer confronts sister Bates in the emppty operating theatre, they dressed in a full set of surgical scrubs including cap, mask and gloves: completely obscuring their identity and even their sex. The killer is ultimately revealed to be [[spoiler:Nurse Esther Sanson]].

-->-- '''Franchise/SherlockHolmes''', "The Adventure of the Speckled Band"

[[folder:Fanfic]]

* On ''Series/AmericanHorrorStoryAsylum'', it's revealed that Bloody Face's victims were killed with surgical precision. That's because [[spoiler:Bloody Face is really Dr. Oliver Thredson. As a psychiatrist and licensed doctor, he would have had the surgical training necessary to commit his crimes.]]
* Subverted in ''Series/BakuryuuSentaiAbaranger''. Dr. Yukito Sanjou/Abare Blue is a chiropractor who doesn't bring his expertise in battle, but when he actually does chiropracticing, it was ''extremely painful'' (though you'll feel better afterwards) that could make even battle-hardened veterans wince in pain. Then there's Dr. Mikoto Nakadai, who didn't quite bother bringing his medical expertise in battle or whatever, but considering his [[SuperSpeed battle]] [[HeroKiller capabilities]], and his [[ForTheEvulz motivation]]... he's deadly on his own.
* ''Series/{{CSI}}'''s Doctor Jekyll. He used surgical means to kill his victims, like the guy who got an infected appendix sewn into him.
* Series/{{Dexter}}'s first kill is of a homicidal nurse, who overdoses patients in her care that she considers being in too much pain to keep living.

* [[AnIcePerson Killer Frost]] in ''Series/TheFlash2014'', as she's [[spoiler: the SuperPoweredEvilSide of Dr. Caitlin Snow, the team's [[TheMedic medic]]]]. In the episode [[Recap/TheFlash2014S3E7KillerFrost "Killer Frost"]], she uses her anatomical knowledge to sever [[Franchise/TheFlash The Flash's]] leg muscles so she can escape him.
* ''Series/FridayThe13thTheSeries'' featured two doctors who had cursed antiques (a scalpel and a Native American shamanic rattle) that could heal people... as long as they were first used to kill.
* ''{{Series/Highlander}}'' had a villain of the week who was a slightly mentally unstable doctor who got fixated on Duncan after he witnessed evidence of his immortality. He'd been kidnapping and experimenting on other patients before that as well.

* ''Series/{{NCIS}}'': Dr. Donald "Ducky" Mallard served in the Royal Army Medical Corps before becoming NCIS's Medical Examiner, and saw combat duty in Bosnia and Afghanistan;
** In the Season Twelve episode "So It Goes", a gangster is threatening Ducky and his ex-girlfriend with a large switchblade; Ducky produces an antique scalpel and makes a small nick in the man's coat sleeve. The gangster laughs it off... then drops into a chair, dizzy and short of breath. Ducky calmly informs him that, thanks to a small nick in his brachial artery, he'll be dead in less than two minutes.
* In the crossover with ''Series/NinpuuSentaiHurricaneger'', Yukito did use his chiropractor knowledge to crush the monster of the movie's bones... ''unmorphed''. [[spoiler:(it's just a clone though)]]
* Malcolm Bright's father is the serial killer, The Surgeon in ''Series/ProdigalSon''. Martin Whitly may be a serial killer, but he is a brilliant surgeon too.
* The Surgeon, a SerialKiller on ''Series/RizzoliAndIsles''.

* A MonsterOfTheWeek on ''Series/Charmed1998'' is Doctor Williamson, an infectious disease specialist who had treated Piper when she was sick a few episodes earlier. He's a good guy, but when he accidentally injects himself with Piper's blood, he also gets her powers. Turns out mortal + powers = CRAZY. He goes on a killing spree and takes organs from people. [[spoiler:Piper eventually has to kill him to stop him, which she finds very hard to do, as he is the first human she ever killed, and he tried to save her life.]]
* In the first episode of ''Series/TheStrain'', Abraham Setrakian, though not a doctor, subdues two armed gang members by grabbing one's arm, using a pressure point to force him to his knees, and aiming a bread knife at his wrist, calmly informing them that by the time the second one manages to draw his gun, the first's radial artery will be sliced wide open and ''"you will bleed out before the 9-1-1 operator answers the phone."''

** Evil doctors also make appearances in several MythArc episodes. They have no scruples about performing horrible experiments on people. Often it's blurred whether it's aliens or the conspiracy. Or it might be both.

[[folder:Web Comics]]

* ''VideoGame/{{Skullgirls}}'' has Valentine, who fights with medical equipment such as bonesaws, syringes, IV stands, and more.

** Doctor Baldhead from the first game was far less pleasant. After accidentally killing a patient, he went insane and became a serial killer, murdering under the delusion of healing. Then he met the ghost of his patient and learned it wasn't his fault. He hid his face under a paper bag, became TheAtoner, and that's where Faust came from. (It's confirmed at several points in the series' Story Modes.)

* Skye's father in Series/AgentsOfSHIELD. He's a former volunteer for Doctors Without Borders, but after being violently separated from his wife and daughter by Comicbook/{{HYDRA}}, his willingness to [[TheUnfettered go to any lengths]] to get his family back, combined with his experiments with a PsychoSerum has left him a little... [[AxCrazy unstable]].

* An episode of ''Series/{{Farscape}}'', "DNA Mad Scientist" had a highly intelligent alien doctor who was always performing experiments on aliens to increase his powers.

** In Seska's reprogrammed version of ''Series/StarTrekVoyager'', the holographic doctor loves to hurt people instead of healing them. It can inject you with acid instead of medicine.
** In the ''[[Recap/StarTrekS2E4MirrorMirror Mirror, Mirror]]'' MirrorUniverse, ''Series/{{Star Trek|The Original Series}}'' doctors get rather upset when they find out what their {{evil counterpart}}s do in that universe.
** Same MirrorUniverse, different series: in the ''Series/StarTrekEnterprise'' episode "In a Mirror, Darkly" we see Mirror!Phlox smiling cheerfully... while torturing an alien.

* A MonsterOfTheWeek on ''Series/{{Charmed|1998}}'' is Doctor Williamson, an infectious disease specialist who had treated Piper when she was sick a few episodes earlier. He's a good guy, but when he accidentally injects himself with Piper's blood, he also gets her powers. Turns out mortal + powers = CRAZY. He goes on a killing spree and takes organs from people. [[spoiler:Piper eventually has to kill him to stop him, which she finds very hard to do, as he is the first human she ever killed, and he tried to save her life.]]

* On ''Series/{{Supernatural}}'', one MonsterOfTheWeek was a doctor who had managed to make himself immortal and was taking other people's organs when his gave out.
* This trope makes up the plot of ''Series/TheXFiles'' episode "Sanguinarium".

* Dr. Alcia Gomez in ''SpeedballXCOMEnemyWithin'' is a therapist version of this trope. She uses her background in psychology and mental health to counter the Thin Men's attempts at psychological warfare... and to distract them.

* ''Anime/{{Pokemon}}'': Dr. Proctor from the Indigo saga, who fought Team Rocket armed with nothing but a lab coat full of scalpels.

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* ''TabletopGame/{{Warhammer 40000}}'':

** The main job of a SpaceMarine Apothecary is to keep their battle-brothers alive and collect the gene-seed of the dead, but being an 8-foot-tall genetically enhanced {{Super Soldier}}s in PoweredArmor, they can and will kick ass if necessary. Not to mention that using the gene-seed extractor on a living person is going to hurt.