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[[quoteright:314:[[Webcomic/TheOrderOfTheStick http://static.tvtropes.org/pmwiki/pub/images/webcomic_complete-monster_oots_3137.png]]]]
[[caption-width-right:314:Xykon (right).]]

->''"I ripped off my own living flesh so that I wouldn't have to admit weakness. You're strictly little league compared to that. That right there? That's the difference between bonafide true Evil with a capital "E" and your whiny "evil, but for a good cause," crap. One gets to be the butch, and one gets to be the bitch--bitch."''
-->--'''Xykon''', to '''Redcloak''', ''Webcomic/TheOrderOfTheStick'', ''Start of Darkness''

Checked for an update to your favourite {{webcomic}}, and holy balls what did [[CompleteMonster that guy]] [[MoralEventHorizon just do]]? It could happen any day now...


* ''Webcomic/BladeOfToshubi'': Advisor Toh enjoys torturing and breaking women. He also has a room filled with the tails of the people he has killed (including his women) that he occasionally stuffs his women into for extended periods, sometimes for punishment, but sometimes ForTheEvulz.
* ''Webcomic/DeadOfSummer'': Alan Stone, in flashbacks, is revealed to have subjected zoo animals to hideous experiments, already giving him quite a few negative points. After beating the tar out of a sympathetic character and kicking him and the main character out into the dangerous, [[ZombieApocalypse zombie-ridden]] city, he finds out his wife has been working on a cure for zombiism by testing it on a [[EverythingsBetterWithMonkeys monkey]] she adored, so he tears out the electrodes to its brain. Then he injects himself with the "cure", turning into a literal monster. Then he injects his pregnant wife with it, turning her into a zombie. After all that, heinjects the remaining zoo animals with it to build an army of the undead.
* ''Webcomic/DominicDeegan'' The Infernomancer (known by some as TIM), is a sick piece of work even by the standards of a demonically empowered murderer (yes, there are more than one of these in the comic). In an early story arc, he tried to find the headmaster of the local magic academy (Dominic's mother) by attacking the school and slaughtering students until one of them coughed up her location. Unbelievably, he topped himself after becoming the servant of an EldritchAbomination -- after escaping limbo, he celebrated his freedom by massacring random places of worship. Then he wiped out a village for kicks -- that Dominic's brother was also there was just a bonus to TIM.
* ''Webcomic/{{Drowtales}}'':
** [[TheChessmaster Snadhya'rune]] of the Sharen is steadily revealed as the closest thing the series has to a BigBad. Snadhya masterminds the rise of the Nidraa'chal, a terrorist faction that specifically makes a focus on targeting civilians, in order to throw the city of Chel into chaos. Snadhya also masterminds the murder of her mother in order to seize more power, using her daughter Kalki as the Nidraa'chal's proxy leader to keep herself out of the spotlight. Snadhya is also a sexual predator at Orthobbae, the school she runs and also where she recruited many of the Nidraa'chal's members by seduction, including her longtime lover Mel'arnach. Snadhya uses Mel as a tool and sends Mel back to her [[AbusiveParents controlling and brutal mother Quain'tana Val'Sarghress ]],who breaks Mel's arms and holds her captive for 15 years. When Snadhya has several Sarghress captives, she toys with them before {{sadist}}ically executing them to show off her new airship. Then when Kalki defies an order from Snadhya for the second time, Snadhya coldly informs her that she [[YouHaveOutlivedYourUsefulness has run out of chances]] and has her killed by her summons without any emotion whatsoever.
** [[TheChessmaster Sene'Kha Vloz'Vress]] was the Drow responsible for turning the Vloz'Vress from a quirky RagtagBandOfMisfits into a far more sinister organization via [[ManipulativeBastard manipulation of its super powerful]], but child-minded ruler Kharla. Sene'Kha uses Kharla to kill her opposition or [[AndIMustScream turn them into living dolls]] while using the Vloz'Vress as an expendable force. Sene'Kha even has them bind demons to themselves as practical suicide bombs and when finally captured, it is revealed she had planned to annihilate the vast majority of the City of Chel and rule over the remainder.
* ''Webcomic/ElGoonishShive'': Damien is a sadistic mass-murderer who regularly abused those under his care and planned to not only "[[RapeIsASpecialKindOfEvil breed]]" with Grace to create an army, but also to use said army to commit mass genocide on the entire human race. The closest thing he has to a FreudianExcuse, his belief that [[AGodAmI he is a God and can therefore do anything he wants]], simply doesn't hold up under the weight of his crimes. Especially when one takes into account the [[ItAmusedMe obvious]] [[ForTheEvulz pleasure]] he takes in his crimes.
* ''Webcomic/EverydayHeroes'': [[spoiler:Wrecking Paul]] appears to be just a typical [[TheBigGuy Big Guy]], until we find out that he is a SerialKiller. He specifically chooses locations where women will be present and always hires female sidekicks so that, if his regular target isn't available, he can turn on his own teammate.
* ''Webcomic/{{Evon}}'': Legune The Alchemist is the Resident MadScientist for [[NebulousEvilOrganisation The Cabal]]. The first thing we see him do is create a couple of homuncului to track down the title character, slaughtering a team of Cabal mercenaries sent by another Cabal member to do the same thing. The second thing we see Legune do is have Evon stripped naked and StrappedToAnOperatingTable, where he proceeds to violate Evon in the process of "procuring" biological samples from her. Then he decides that won't do and attempts to rape her outright, only being stopped by his patron, Maximus (but ''only'' because said rape might interfere with Maximus' own plans for her). We then see that Legune used those samples he took to create a clone of Evon. A clone which is physically and magically stronger than Evon, but since she lacks Evon's SuperEmpowering factor, she's deemed useless to The Cabal and turned over to Legune to do what he will with her. "What he will" turns out to be forcing her to give him oral sex while taunting her with imminent destruction if he doesn't please him.
* ''Webcomic/GeneralProtectionFault'': Emperor Nicholas the Puissant has conquered the world in an alternate dimension. He [[YouHaveFailedMe kills people who fail him]], tortures Nega-Ki to ensure his counterpart's obedience, then threatens to torture prisoners to death in front of him if he wastes time, and it is ultimately revealed that he doesn't want Project Velociraptor so that he can win the war with the aliens laying waste to Earth, [[DirtyCoward but so he can escape]] and re-establish himself elsewhere.
* ''Webcomic/GirlGenius'': Lucrezia/The Other qualifies for this trope on the basis of enslaving and slaughtering many thousands of innocent people, betraying the world's greatest heroes, and being the worst mother ever - killing her own son, using her own daughter for a GrandTheftMe, and then plotting to kill said daughter when that plan goes badly awry. She shows no remorse or sympathy for anyone other than herself, whether they are a victim, an innocent bystander, or one of her own loyal minions.
* ''Webcomic/{{Goblins}}'':
** [[BigBadWannabe Dellyn Goblinslayer]], ranger and captain of Brassmoon city's Elite Guard, is a highly sadistic TortureTechnician and {{Fantastic Racis|m}}t whose hobby was capturing live monsters, then vivisecting them in order to learn their weaknesses. One of Dellyn's preferred tortures was using knives specially designed to cause certain monsters the most excruciating pain imaginable in order to permanently mutilate them by carving insults into their skin. Other tortures included amputating limbs and, in one instance, flaying the skin off of a monster's back so that her spine was clearly visible. Planning on having his Elite Guards supplant Brassmoon's current guard to increase his political power, and mistakenly believing that a goblin army was ready to attack the city, Dellyn arranged a public execution for the goblin [[spoiler:Fumbles]], [[EmptyShell whose mind had already been shattered by Dellyn's tortures]], in order to lure the other goblins out of hiding. Once they did so, Dellyn planned on his guards annihilating the "invading forces" so that the citizens of the city would back his political play. When one of his men told him that a lot of innocent bystanders would surely be caught in the crossfire, [[LackOfEmpathy Dellyn was happy]], noting that this would only make the rest of the citizens more grateful for having him around by showing them what's at risk. Dellyn also had a Yuan-Ti slave named Kin, who he abducted then raped and beat on a nightly basis, repeatedly reducing her to her last hitpoint before reviving her with healing potions. Ultimately Dellyn was nothing more than a petty {{sadist}} whose greatest desire was to be [[GloryHound worshiped as a heroic savior]] by the very people he'd sacrifice without a second thought.
** [[KnightTemplar Kore]] is a dwarf {{Paladin}} who sees all "monster" races as AlwaysChaoticEvil and [[FantasticRacism indiscriminately slaughters any members of such he finds]], even though only demons and undead can be considered such. Even defenseless elders and those begging for mercy aren't spared. When confronted with a small dwarf child who was [[RaisedByOrcs raised by an orc]] to be a decent person and not afflicted by the FantasticRacism endemic to the setting, he [[WouldHurtAChild butchers the kid]] like any of the other humanoids he just massacred, ignoring the foster father's dying pleas to spare him and claiming the boy was hopelessly tainted. When Chief attempts a YouShallNotPass on Kore so the rest of the goblin party can escape, Kore takes down Chief, heals him so he doesn't die, and then [[ColdBloodedTorture tortures him]] so his screams of pain will lure back the rest of the group. This proves his {{hypocri|te}}sy since he uses his prey's basic moral decency against them yet still considers them irredeemable scum. When Minmax and Forgath show up, he also attacks them even though they were also fighting the goblin party. He has had zero FreudianExcuse revealed, although Forgath's horrified reaction to finding out Kore is there hints that something very twisted happened involving him. Also, there is serious FridgeHorror in that either he never uses his Detect Evil, or ignores it when it reveals that his prey aren't all evil. This dovetails with his twisted world view that anyone associating with what he considers evil monsters are tainted and worthy of nothing but pitiless extermination, no rehabilitation possible.
* ''Webcomic/{{Homestuck}}'': [[PhysicalGod Lord English]], Lord of Time and leader of the Felt, is an invincible, time-manipulating monstrosity summoned at the end of the universe, and is [[BigBad the one greatest threat in the story]]. Initially Caliborn, a [[{{Jerkass}} condescending cherub]] who set up the death of his own sister, he becomes much worse after maturing. Right after being summoned through the death of his servant Doc Scratch, English immediately sets out wreaking havoc. Using his powers of virtual omnipotence, English massacred the Horrorterrors, murdered [[AuthorAvatar Andrew Hussie]] out of spite from when he was still Caliborn, and obliterated a dream bubble, annihilating the hundreds of failed timeline souls within and causing horrible damage to the fabric of reality. Ultimately, everything English does is a result of [[OmnicidalManiac his limitless desire for destruction and to assure the destruction of everything that ever will be]], and English is ultimately [[TheDreaded the one character feared and dreaded by everyone else]].
* ''Webcomic/JackDavidHopkins'': [[MorallyAmbiguousDoctorate Doctor]] [[NamesToRunAwayFromReallyFast Rigor]] Thalmus is a [[WouldHurtAChild child molester and child murderer]] who attempts to frame his subordinate, [[SadisticChoice using his own cancer research and his subordinate's in-bed-with-cancer wife as leverage.]] He also serves as a very dark deconstruction and subversion of a BunnyEarsLawyer; he believes that he's entitled to the horrible things he does precisely because he's working on cures for cancer. And unlike Drip Tiberius Rat (previously listed as the worst character in ''Jack''), he doesn't have any sympathetic moments or FreudianExcuse for anything he has ever done. The only reason he committed these horrible acts is because he gets off on them.
* ''Webcomic/{{Judecca}}'': [[HotWitch Lilith]], often known as "[[EvilRedhead Lily]]", is one of the damned souls populating the isle of Judecca. Lily gets her kicks by sleeping with men on a regular basis, before using her magic to [[BalefulPolymorph transform them into animals]] and [[ImAHumanitarian butchering them for a stew]]. The main character, Sharky, shares his room with a rabbit named Dickerson, one of Lily's few victims to escape her. When she encounters Sharky himself, Lily overpowers and rapes him before wiping his mind of the encounter as non-consensual. When she encounters him later, Lily uses a potion on him that she had fed another luckless soul; this potion [[CruelAndUnusualDeath makes centipedes sprout from the victim's insides until death]].
* ''Webcomic/KidRadd'': [[BiggerBad The Seer]] is essentially a virus that didn't go off on the day it was scheduled to because he realized that humanity would survive. He spends the entirety of the comic finding a way to get a sprite body, then a physical body, so he could [[OmnicidalManiac kill everybody in both worlds]]. He didn't need to do any of this. He could easily kill both populations at any point, but wants to be there physically so he can see his victims cower in fear of him before he slaughters them. Then, once he was done with Earth, he planned to search the galaxy for other forms of life just so he could go on killing for eons.
* ''Webcomic/{{Mindmistress}}'': [[WouldHurtAChild Les Kidman]] is a pedophile and {{serial killer}} who rapes and kills little girls to suit his depraved appetites. After murdering three children, he's hired by his wealthy employer Cromwell Lyons (a friend of Kidman's late father) to kill his mentally handicapped granddaughter Lorelei, whom he considers a weak link in his family dynasty. Kidman stabs Lorelei's dog to death, but is thankfully stopped just in time by Lorelei's father from harming her. When Kidman is released from prison 20 years later, he immediately returns to his old ways. When the superheroine Mindmistress arrives to stop him after he kills his latest victim, he tries to [[CrowbarCombatant beat her to death with a crowbar]].
* ''Webcomic/MobTies'': Bengal is a rapist, murderer, and freakin' god of undeath confined in a human form. Among his many sins, he has raped Mika, who was 13-14 at the time, murdered Mika's best friend Kyoko, and then destroying the one object that might have undone that murder. He also killed Santa Claus.
* ''Webcomic/TheOrderOfTheStick'': The [[OurLichesAreDifferent evil lich]] [[BigBad Xykon]] is [[LaughablyEvil funny]], [[FauxAffablyEvil charming]], [[BrilliantButLazy easily bored]], and probably the sickest character in the comic. His ultimate plan is to unleash [[BiggerBad the Snarl]] so he can control it and use it against his enemies, uncaring that the monster is [[spoiler:what everyone believes to be]] an evil, god-murdering abomination which has the power to destroy the world.In the present story Xykon seeks to capture the gates that would allow him to command the Snarl, and has been going to any measure to do so. He sacked Azure City to claim their gate, and made [[http://www.giantitp.com/comics/oots0448.html the entire Sapphire Guard kill each other with a Symbol of Insanity]]. He even admits that he could have just used fire and lightning from above, but wanted to go [[ForTheEvulz "that extra mile"]]. His full monstrousness is revealed in the prequel comic ''StartOfDarkness.'' [[EnfantTerrible As a young boy]], his dog dies, but in a deliberate subversion of a FreudianExcuse, he accidentally raises it as a zombie and exults as it kills and eats a bird. [[TeensAreMonsters As a teenager]], he keeps his zombified grandmother in his closet, kills and zombifies a man who offers to train him as a sorcerer, then [[SelfMadeOrphan kills and zombifies his own parents]] for letting the man in. As a would-be EvilOverlord, he chooses actions solely on the basis of their potential [[ItAmusedMe to amuse him]] versus the effort required. When Redcloak and his brother Right-Eye started working with Xykon, Right-Eye tried to assassinate Xykon for his [[BadBoss evil and callousness with the lives of his goblin underlings]]. Xykon allowed Redcloak to kill Right-Eye just to permanently bind Redcloak to Xykon's service, accuses him of being a wimp [[EvilerThanThou because of his principled stance]], and then [[KickTheDog forced him to raise his brother as a zombie]]. He also trapped the souls of two mages, [[AndIMustScream in a gem in order to make them suffer forever]].
* ''Webcomic/PennyAndAggie'': Cyndi is a manipulative [[TheSociopath sociopath]] who almost gets off on driving people to suicide. In a really creepy and incriminating file on her laptop, she documented how fun and easy it is to dig a hole into someone's psyche and widen it. She brags about nearly driving Michelle into starving herself to death and she had plans to destroy Daphne and Sara's relationship in the hopes of getting one or both of them to commit suicide. In the same strip this was all revealed, she successfully [[spoiler:goaded Charlotte into slitting her own throat by using her MommyIssues against her]]. [[http://pennyandaggie.com/index.php?p=1111 Seeing someone bleed out in front of her thanks to her words puts a grin on Cyndi's face.]] What's even ''more'' damning is that both her biggest "success" so far AND her next intended victim, who she merely considers "practice" [[spoiler: (Meg)]], are erstwhile members of her own clique from the "Popsicle War" arc.
* ''Webcomic/PeterIsTheWolf'': Gus is a truly nasty piece of work who acts out of a belief that the only value in anyone is in strength, and that the strong can and should take anything they want from anyone they can take it from. In his case, that includes killing his wife, then beating, molesting and raping his daughter for years, keeping her in his house as a SexSlave. He initially tried to keep her existence secret from the rest of the pack, and she had never left the house until they found out about her just before she should have been entering high school. Additionally, he has repeatedly tried to take over leadership of the pack, plans on taking Werewolf!Sarah as his new wife, and sold out his own kind by siccing TheMenInBlack on Peter, partly out of hatred for the existence of a runt and partly out of a desire to remove an object of his daughter's affection. Some time before the start of the comic, the pack held a vote on if he should be killed for their own safety. He only survived by two votes, both of which have later mentioned they wish they had voted differently, and the only reason they haven't held another vote is to keep unwanted attention away from the pack.
* ''Webcomic/{{Sidekicks}}'': Pluton, despite his limited appearances, manages to stick out as one of the most monstrous villains in the comic. Posessing the power of life-force draining, Pluton is shown having massacred over 4,000 people, with a [[WouldHurtAChild child]] and her father being just two of his victims. Detained at a maximum security prison after murdering four superheroes and five sidekicks, Pluton is [[TheDreaded still feared]] throughout the superhero community. Escaping prison with the help of other villains, Pluton attacks the man who released him, and murders any guards or sidekicks that get in his way. When confronted by more heroes, Pluton gleefully toys with them, revealing himslf to be an AxCrazy BloodKnight, then tries to kill one hero's sidekick in front of him just to torture him.
* ''Webcomic/{{Sire}}'': Susan. You might be inclined to think of her cruelty to Anna as the frustrations as a lonely child. That is, until she savagely beats in the head of the only person who cared about her, simply because he didn't shower her with enough attention. After this, she pins the rap on Anna, laughs off her suicide attempt, snaps the neck of her lawyer, smuggles herself and Anna into another country, and leaves her at the hands of some unsavory types. And while she's doing all this, she [[MindRape coerces Anna into thinking that it was all her fault.]]
* ''Webcomic/SomethingPositive'': Avogadro Pompey stands out as a CompleteMonster even compared to the JerkAss cast. He kept Pepito as a sex slave, psychologically and physically abused his nephew, and set Kharisma up to take the rap for a murder (his own, as a matter of fact) which she didn't commit.
* ''Webcomic/{{Unsounded}}'': Arctrit Ramora, [[OnlyKnownByTheirNickname known almost exclusively as Starfish]], is the leader of the Red Berry Boys, a criminal gang that kidnaps people, vivisects them, and replaces their organs with First Silver, which they then smuggle across the country. The procedure leaves their victims alive, but [[AndIMustScream in a constant state of agony]], the Silver feeding off their pain and gradually turning them into a gigantic monstrosity. Since Starfish is paid by the body, not by the amount of Silver in each body, [[WouldHurtAChild he targets children for the procedure]] to stretch out his supply and weasel extra money out of his employers. Starfish has [[LackOfEmpathy no empathy for anyone]], including [[BadBoss his own men]]. When one of them is grievously injured and begs for help, Starfish simply smiles and caves in the man's skull. After [[AntiVillain Quigley]] outlives his usefulness, Starfish goes back on his promise to release his child captives, tries to have Quigley drowned while forcing the man's son, Matty, to watch, and states Matty will undergo the procedure as well. Starfish is also a child molester, and, after knifing a prostitute who interferes, attempts to kidnap the seemingly ageless child protagonist, Sette, as a SexSlave for himself.
* ''Webcomic/WaywardSons'': Doctor Chu is a brilliant scientist who gets most of his results through torturous experiments on live subjects. Or, put another way, he's a professional torturer who learns a lot of useful things while on the job. Either way, he certainly enjoys what he does.