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Dr. Otto Gunther Octavius, also known as Doctor Octopus, is a fictional supervillain that has appeared in comic books published by Marvel Comics. He first appeared in Amazing Spider-Man #3 (July, 1963), created by writer Stan Lee and artist Steve Ditko.

A highly intelligent Mad Scientist, Doctor Octopus is one of the greatest foes Spider-Man has ever faced. He is typically portrayed as a stocky, myopic man who utilizes four powerful, mechanical appendages and is obsessed with proving his own genius and destroying Spider-Man (and not necessarily in that order). The character has appeared in numerous Spider-Man cartoons and video games and is portrayed by Alfred Molina in the 2004 film Spider-Man 2 as the film's main antagonist. In 2009, Doctor Octopus was ranked as IGN's 28th Greatest Comic Book Villain of All Time.

Born in Schenectady, New York, Otto Octavius had something of an unhappy childhood. His father, Torbert, was abusive and violent towards both Otto and his mother Mary. Otto was determined not to become like his father and put all his effort into his education, regularly scoring top marks. Unfortunately, a combination of Otto's shyness and good school work got him labeled as a "teacher's pet" and he became a target of bullying. Otto eventually became a brilliant and respected nuclear physicist, atomic research consultant, inventor, and lecturer. One of his most iconic inventions was a set of highly advanced mechanical arms controlled via a mind–computer interface to assist him with his research into atomic physics. Unfortunately, there was an accidental radiation leak that ended in an explosion and those wonderful mechanical arms became fused to Octavius's body.

The accident also seemed to have damaged his brain and the scientist turned to a life of crime. His very first criminal act was taking the hospital hostage and proclaiming himself Doctor Octopus, the derogatory nickname that his co-workers had originally given him. In their first encounter, Octopus defeated Spider-Man by tossing him out of a window. Following this defeat Spider-Man considered giving up his heroic career, but was inspired to continue his heroic career by the Human Torch and ultimately defeated Doctor Octopus. Since then the Good (or Bad) Doctor has gone on to become one of the most identifiable members of Spider-Man's rogues gallery. He was actually Spider-Man's first Arch-Enemy, especially during the early days before Norman Osborn began rising to prominence. He formed the first Sinister Six to fight Spider-Man. He was the villain for one of spidey's most iconic early arcs as "the Master Planner". And he was indirectly responsible for the death of Gwen Stacy's father George.

After years of fighting Spider-Man, his body began to succumb to the injuries he had sustained over the years. As a way to prevent his death, Otto switched bodies with Peter Parker. Before dying in Otto's body, Peter urged Otto to change for good and succeed the Spider-Man mantle with his last breaths. Otto complied, swearing to become better and a more superior hero, resulting a more brutal, but still trying-to-be-heroic Spider-Man. Unfortunately, he found himself slowly slipping back into evil, starting with his attempted erasure of a fragment of Peter Parker's soul and Jumping Off the Slippery Slope from there. He eventually had a Heel Realization that he was doing more harm than good by the time Peter's soul fragment came Back from the Dead, and relinquished control of Peter's body, erasing his own consciousness as penance. As Otto died, he told Peter that Peter was a better Spider-Man and a better person than Otto (the self-proclaimed Superior Successor) could ever hope to be.

As of All-New, All-Different Marvel, it is revealed that Dr. Octopus' mind now resides within the Living Brain, stalkingly watching over Anna Maria. After teaming up with the Jackal during The Clone Conspiracy and temporarily inhabiting a clone version of his old body, he eventually betrayed the Jackal for insulting his love interest. Afterwards, he hijacked a new, powerful experimental clone body. He was then recruited by Armin Zola and HYDRA to aid in destroying Parker Industries, reinventing himself as the "Superior Octopus".

This villain provides examples of:

  • Abusive Parents: His father was an abusive, alcoholic Jerkass, his mother was My Beloved Smother.
  • Acrofatic: Otto's on the pudgy side, but with his tentacles he can really get around.
  • Adaptation Dye-Job: Usually sports short brown hair but in the Ultimate Spider-Man animated series he sports long black hair.
  • Adaptational Attractiveness:
    • Doctor Octopus is rather ugly in the Marvel comics, in contrast to his much more striking depiction by Alfred Molina in the Spider-Man 2 film.
    • Some Marvel artists depict Doctor Octopus as overweight and fleshy, while others depict him as muscular.
  • A.I. Is a Crapshoot: In some continuities, in particular Sam Raimi's trilogy, his tentacles contain an advanced AI that influences him.
  • Alliterative Name: Both his first and last names begin with "O".
  • An Arm and a Leg: After putting the Black Cat in the hospital, Spider-Man was so consumed with rage, he tore Ock's metal arms off.
  • Affably Evil:
    • In the first annual, he kidnapped Betty Brant and Aunt May Parker, and then gave them tea and cookies while apologizing for neglecting his guests.
    • He also once rented a room from Aunt May and behaved like a perfect gentleman, even helping her around the house. He also came very near to marrying her after she somehow inherited a nuclear plant.
    • In some of his iterations, he protects civilians, or at least refrains from harming them.
  • Animal-Themed Superbeing: As his moniker suggests, octopi. And later, spiders.
  • Appropriated Appellation: Doctor Octopus was originally an insulting nickname given to Otto by his co-workers, and in some continuities, Norman Osborn.
  • Arch-Enemy: He competes with the Green Goblin and Venom in this regard to Spider-Man. Octavius has quite the resume: He is the first villain to defeat Spider-Man, the creator andleader of the Sinister Six, the first of the three to seemingly kill Spider-Man, the one that managed to take over his body and live his life, and the one that forced Peter to give up his worldwide company. He mainly had the role during most of the original Stan Lee run and the early hiatus when Norman Osborn was thought dead (although Jackal, Hobgoblin, and especially Venom fulfilled the role later on).
  • Artificial Limbs: Well, he attached four cybernetic arms of questionable morality to his spine.
  • Back from the Dead:
    • Kaine murdered him at one point in the 90s, but he was resurrected by the Hand with the help of Carolyn Trainer and Angelina Brancale.
    • Zigzagged as Superior Spider-Man. After the Spider-Verse incident (where he discovers that Peter has regained his body and the Otto from Peter's present is dead), Otto created an AI copy of his psyche intending to retake Peter's body at a later point. However, he later decided to contract Miles Warren to clone his old body and took over that instead.
  • Badass Baritone: In Superior Spider-Man, when he hears a recording of his voice, he remarks that he sounds like a walrus under water, suggesting that his voice is deep.
  • Badass Bookworm: He's a nuclear physicist and skilled roboticist.
  • Badass in a Nice Suit: He was almost always seen in a white suit in the early-mid 90s.
  • Bad Boss: Could easily have been the Trope Namer for Insufferable Genius, given the way he treats his henchmen, as well as when he's the leader of the Sinister Six (or his short term as leader of the Masters of Evil).
  • Berserk Button: This didn't come up until Superior Spider-Man, but Octavius HATES people who abuse or exploit children, as The Vulture found out when Octavius discovered he'd been working as The Fagin for a group of children in vulture suits. Prior to this, while he didn't really target kids or anything, he'd endangered some several times, notably in the fight that caused the death of Captain Stacy.
  • Big Bad: Of "If This Be My Destiny" and "Ends of the Earth". He is also this in a Five Bad Band sense seeing as he founded the Sinister Six and was the leader of almost every incarnation in stories that involved them. In a way he is this for Superior Spider-Man as the titular protagonist.
  • Blind Without 'Em: He sometimes has this problem. In his first debut he was near-sighted before the accident but depending on the continuity (and Depending on the Writer) it's sometimes considered a side-effect of the accident that gave him his powers. (In one min-series, he claims that the accident made his eyes sensitive to light, requiring him to wear shaded glasses.)
  • Brains Evil, Brawn Good: While they both have plenty of brains and brawn, the various versions of Doc Ock tend to have an edge on Spider-Man in terms of brainpower and the various versions of Spider-Man have an edge on him in strength, agility, etc...
  • Calling the Old Man Out: After his widowed mother makes him break things off with his fiancée, so he can take care of her instead, he catches her getting ready to go on a date. He calls her out for her hypocrisy, and as this is pretty much the first time in his life he's ever stood up to her, it gives her a fatal heart attack. All of these emotional problems weighing on him is why he doesn't notice the radiation accident until it's too late.
  • Came Back Strong: Octavius hijacking the Proto Clone from the Jackal, which has a mixture of both his DNA and "Spider-Clone" DNA, which gives now gives him his incredible smarts on top of Spider-Man's legendary abilities. His "Superior Octopus" costume is also this as it takes his Superior Spider-Man costume and gives it an Octopus motif, complete with his classic arms.
  • The Chessmaster: One of his aliases is Master Planner for a reason. Some of his exploits include taking over Spider-Man's body and creating a backup copy of his consciousness in case anything happened, and getting Sajani Jaffrey fired so that his beloved Anna Maria could take her position.
  • Character Death: Technically, the original Otto Octavius died at the conclusion of The Superior Spider-Man in 2013, while the Otto that appears in all later appearances (except Spider-Verse, which features a time-displaced Otto-as-Spider-Man) is an AI copy that has hijacked a powerful clone body. While the two are treated as one and the same, AI!Otto lacks the memory of Otto's final days.
  • Cigar Chomper: Sometimes he's depicted as being a smoker having a taste for cigars; a notable example being his Sam Raimi incarnation.
  • Civvie Spandex: His costume has traditionally consisted of a lab coat or sometimes just a plain suit. But during the 70's and 80's he wore green spandex on occasion, but otherwise, he stuck to civvies.
  • Combat Tentacles: Four cybernetic artificial limbs. He's had multiple versions.
  • Cool Shades: Due to him being myopic.
  • Crazy-Prepared: In the "Return of the Sinister Six" storyline Ock recruited the Sandman (who wasn't a criminal at the time) but because he was pretty sure the Sandman would likely turn against him - and he did - he took inspiration from a battle Sandman once had with the Hulk, and kept a weapon on him that could melt silicon and turn sand into glass, which in-effect, petrified Sandman.
  • Cut Lex Luthor a Check: Averted in most of his incarnations: He was a scientist who invented and used his arms for legitimate research purposes. It took a lab accident fusing the arms to his body and driving him insane to turn him into a supervillain. This insanity, then, is why he doesn't just give up on being a supervillain and go back to being a scientist, usually.
    • Slightly subverted in the 90s cartoon; Doc Ock still thinks of himself as a scientist over a villain... the problem is, his obsession is with pursuing scientific goals goes to the extent that he's indifferent to any potential harm to people as a result, which is why nobody will take him in as a legitimate scientist. To put this in perspective, his introductory episode has him kidnap Felicia Hardy due to a vendetta against her mother... only this turns out to mostly be a distraction so he can pursue an experiment with creating a fusion reactor, indifferent to the fact that if this goes wrong, the resultant explosion could wipe out half the city.
    • Subverted in the Ultimate Spider-Man cartoon; Dock Ock is being forced to work as Norman Osborn's black ops scientist after his death was faked by Osborn, and he simply can't get out from under Osborn's thumb. Of course, by the time he does escape, he's so full of hate and rage that he decides to become a supervillain in his own right.
  • Cybernetics Eat Your Soul: After having the tentacles fused to his spine he turned evil.
  • Cyborg: The tentacles and their harness were fused to his body.
  • Dented Iron: He spent most of his career trading blows with Spider-Man, who has Super Strength, despite being just an ordinary guy with cybernetic extra limbs. In a Cerebus Retcon, it was eventually revealed that he was effectively being beaten to death over the course of his career, leaving him a hideously disfigured, dying wreck of a man trapped on life support.
  • Depending on the Writer: Much like Doctor Doom, Otto can be a Noble Demon Anti-Villain in one story and a remorseless mass-murdering psychopath in another. Case in point, in 2002 both Paul Jenkins and J. Michael Straczynski (writing the titles "Spectacular Spider-Man" and "Amazing Spider-Man", respectively, both part of the mainstream canon) did a story with Ock as the villain; the latter has Ock pursuing a vendetta against an amoral corporate yuppie who stole his tech, but shows Otto going out of his way to save civilians (then leaving Spider-Man to die, because "you're not a civilian") and suggests what he really wants is legitimate scientific and business success; the former portrays him as an utterly ruthless Manipulative Bastard professional criminal motivated entirely by ego and Greed who, in the words of Spidey, (doesn't) care enough about anyone enough to hate them, Ock responding with a "touché" before savagely beating on Spidey (remarking he's an exception). His hatred of Spider-Man is the one consistent character trait, but otherwise he could be saving the innocent one minute and trying to kill all life on Earth out of spite the next.
  • Devil in Plain Sight: Aunt May can't seem to understand why the police would want to arrest such a nice man.
  • Diagnosis from Dr. Badass: When he recalled his first fight with Spider-Man:
    "...with a punch that, by my best estimate, was over twelve hundred foot-pounds. That, Dr. Louis, would be my first case of traumatic brain injury."
  • Disastrous Demonstration: He had some problems during his new invention's demonstration, which sets him on the path to become a supervillain. The movie Spider-Man 2 carried over this element of his origin-story.
  • The Dragon: Some stories show him as this to Norman Osborn.
  • Dr. Jerk: He was like this before the accident which made him a villain, rude and egotistical, the biggest reason why his co-workers called him "Dr. Octopus" behind his back. (Part of it, of course, was due to stress caused by his mother's death, which also made him careless and caused the accident in the first place.)
  • Drunk with Power: With the adamantium tentacles he started thinking he was invincible, and acted very rash (going so far as to start using an Evil Laugh) and even tried to Take Over the World for real. It ended badly, and even he himself would later admit it had been a bad idea.
  • Empowered Badass Normal: After becoming Superior Spider-Man, he has the brawn to match his brains.
  • Even Evil Has Loved Ones:
    • Octavius's relationship with his mother was unhealthy and complicated, but he did care about her. Her death saddened him.
    • In his youth, Octavius was engaged to Mary Alice Anders. Years later, he tried and failed to cure her of AIDS.
    • While occupying Peter Parker's body as Superior Spider-Man, Octavius found himself falling in love with Anna Maria Marconi.
    • To this day, he has a genuine soft spot for Peter's Aunt May. During the Sinister Six Trilogy, when she was believed dead, he interrupted a villainous speech at the Daily Bugle to offer his sincere condolences to Peter about her passing.
  • Evil Cannot Comprehend Good: Much of Otto's actions as the Superior Spider-Man backfire as he can't grasp that being a hero means more than just showing yourself as "the best." As it turns out, Otto lets Peter come back to his body with the realization Peter is a true hero.
    • Thanks to a time-travel escapade, Otto learns he loses to Peter and downloads his brain patterns into a robot assistant for Anna Maria. When Anna Maria talks of Otto and how terrible he was, Otto thinks he needs to take back Peter's body to get Anna Maria back. He then decides that Peter's mind "hurt my own" and by getting his original brain back, he can get Anna Maria's love once more. Otto literally cannot understand that Anna Maria will never love someone with such a record of murderous actions as Otto.
  • Evil Counterpart: To Peter, on the scale of being a scientist, using smarts for evil purposes and being based on an eight-legged creature. The biggest difference between the two is that Otto had a couple decades of cynicism ground into him before getting his powers. He plays it even straighter as in recent times, he has acquired a body and costume very similar to Peter's own.
  • Evil Cripple: Years of super-powered fights have taken a toll on his body.
    • Taken Up to Eleven in the Ultimate Spider-Man cartoon, where he depends on his cybernetic tentacles to get around because he was in an accident that rendered him a quadriplegic. If it weren't for his arms, he'd be completely immobile from the neck down.
  • Evil Genius: A definite poster boy of this trope. Hell, in The Spectacular Spider-Man he drinks out of a coffee mug with this label on it.
  • Evil Is Hammy: At times he will demonstrate that he is enjoying being mean profusely ("Find him. Or I'll peel the flesh off her bones...")
  • Evil Mentor: To both Carolyn Trainer (aka Lady Octopus) and Angelina Brancale (aka Stunner) two of the very small number of people to show Undying Loyalty to him. He was also this to Peter himself in the1990s animated series.
  • Evil Versus Oblivion: In The Sentry miniseries, as the heroes are gathered to stop the Void, Spider-Man notices Doctor Octopus lined up with them. Dialogue goes something like this:
    Spider-Man: Doc Ock? What are you doing here?
    Doctor Octopus: We need to stop the Void or else it'll destroy the world. Once this is over, next time I see you I'll kill you.
  • Evil Virtues: Octavius has a stellar work ethic, as Anna Maria observes in Superior Spider-Man.
    Anna Maria Marconi: That's what I like about you. You want a doctorate? You get it. Your own company? Boom. There it is. You help out Spider-Man, you look after your Aunt. Anything you want to do, you just do it ... and do it well, no excuses, just results.
  • Even Bad Men Love Their Mamas: Doc Ock was very much a momma's boy growing up. However, as a grown man he came to the conclusion that she had been coddling him, even while accepting that his dad was a drunken asshole.
  • Excuse Me While I Multitask: He was known to use his arms to fight off enemies' attacks while casually lighting a cigarette or focus more attention on something else, like giving instructions to a minion or continue a chemistry experiment.
  • Extra-ore-dinary: His Ultimate Marvel counterpart, who is eventually revealed to have the ability to psychically manipulate metal. This means that, even though his tentacles get surgically removed, he can recreate them from ambient metal if he wants to.
  • Fallen Hero: He used to do experiments for the sake of bettering mankind and then he discovered first-hand how Cybernetics Eat Your Soul.
  • Fat Bastard: At first and later depending on the artist.
  • Fatal Flaw: Pride. Octopus can't stand the idea of anyone not acknowledging his genius, and is absolutely obsessed with proving himself as the greatest scientific mind in Marvel.
  • Fire-Breathing Weapon: In The Amazing Adventures of Spider-Man ride, he's able to expel fire from his tentacles.
  • For Want of a Nail: A What If? story suggested that, if the radioactive spider had bitten Flash Thompson instead of Peter Parker, Peter would have averted Otto Octavius's Start of Darkness.
  • Four Eyes, Zero Soul: He wears glasses because he's myopic.
  • Freak Lab Accident: His origin story, which is another similarity he shares with Peter Parker.
  • Friendless Background: Young Otto was bullied and picked on as a child, much like Peter was, and also like Peter, compensated by becoming engrossed in his studies. Indeed, the biggest difference between the two in that regards was that Peter had the loving, nurturing family that Otto lacked.
  • From Nobody to Nightmare: That timid researcher and Momma's Boy has come a long way in terms of badass.
  • Gadgeteer Genius: Both as a villain and an Anti-Hero.
  • Glass Cannon: If Spidey can get past the tentacles, it usually doesn't take much to knock him out.
  • Guess Who I'm Marrying?: Doc Ock was actually marrying May because she was the heir to a private nuclear reactor (dont even ask). He didn't even realize that Spider-Man was her nephew until after he unmasked in Civil War. Brilliantly, he then went into a rant about how stupid he was not to figure it out and how he should have kept up the marriage facade for far longer.
  • Heel–Face Door-Slam: Prior to the Death of Spiderman in the Ultimate Universe, he tries to back out of the Green Goblin's latest scheme, declaring he always wanted to be a scientist not a villain, he wants to go back to science, and he'd rather take pride in the fact it was his genetic engineering experiments with spiders that ultimate created Spider-man. The Green Goblin promptly kills him.
  • Hero-Worshipper: In Spider-Man/Doctor Octopus: Negative Exposure, he claims to idolize Leonardo da Vinci, and was inspired to invent his tentacles by DaVinci's famous Vitruvian Man pencil sketch.
  • Heroic Willpower: Never take this guy on in a battle of wills. As strong as his arms are, his mind is even more potent. The Answer, Fusion, and Peter himself found this out the hard way.
  • Herr Doktor: In the 1990s animated series and the Spider-Man video game he has a thick German accent (he was voiced by Efrem Zimbalist Jr in both; that's right—Doctor Octopus is Alfred).
  • It Only Works Once: Doc Ock has a tendency to learn from his mistakes and to come up with effective counter-measures for Spidey's tricks. For example, after being blinded with a squirt of webbing he started treating his glasses with a non-stick coating.
  • I Love Nuclear Power: Doc Ock originally gained his powers from a radiation experiment gone wrong. Doctor Octopus: Year One (set in the original Marvel timeline of the early 60's) embraces this trope, showing that Octavius became obsessed with the power of the atom long before the accident, fantasizing about it to the point of fetishism, and identified with the cleansing atomic fire as a counterpart to his own rage against the world.
  • Joker Immunity: Let's see, he has been resurrected once and had his mind transferred into Spider-Man's body. He is apparently really dead now that his body is in rigor mortis and his consciousness has been erased. Of course, he was once killed, proclaimed dead, and buried in a cemetery, only to be brought back to life by the Hand in an unholy ritual, so you never know... Turns out he had his holographic copy of Anna set up a contingency plan and uploaded a copy of his consciousness into the Living Brain.
  • Kavorka Man:
    • Despite being unattractive and tentacled, Octavius successfully wooed Aunt May and almost married her. Even afterwards, May is STILL rather fond of him.
    • Octavius won Stunner's love and gratitude when he used virtual reality technology to make her beautiful and mighty.
  • Knight of Cerebus: He's got little to no comedic quirks and he is the first villain to actually beat Spider-Man. Whenever he shows up you know things are about to get nasty.
  • Legion of Doom: He founded the Sinister Six, and would later reunite the team twice.
  • Large Ham: He has his fair share of hammy moments in the comics and adaptations.
  • Living with the Villain: So, Aunt May decides to rent out a free room in the Parker household. Who moves in? Doc Ock of, course! What happens next? He hits on Aunt May and nearly gives Peter a heart attack in the process.
  • Mad Scientist: Wasn't one to begin with but he had a lot of repressed feelings and then there was this accident...
  • Made of Iron: Averted. He's often had to create armor due to the incredible damage he has taken because, when all is said and done, he is still an ordinary man.
  • Married to the Job: Even before his mother's death, the man was a workaholic, and after it happened, he shunned out other people entirely, becoming an anti-social Dr. Jerk. Eventually, this attitude caused him to overwork and caused the accident due to fatigue.
  • Merging Mistake: The accident where he was stuck by radiation, causing him to be permanently fused with the harness.
  • Mike Nelson, Destroyer of Worlds: Almost became one in "The Return of the Sinister Six" storyline. In fact, the reason Spidey was able to defeat him is because he managed to convince Ock that his plan would cause The End of the World as We Know It, which Ock didn't want. (Yet.)
  • Momma's Boy: As his dad was abusive, he bonded more with his mother.
  • Morally Ambiguous Doctorate: Actually, he does hold at least one real doctorate (but not in medicine).
  • Moral Myopia: The whole "blaming Spider-man for beating him to near-death" thing in the build up to the Superior Spider-man storyline really falls into this. Doc, if you don't want to get bashed around by the super-strong vigilante, then maybe you should, y'know, not commit crimes? Especially not crimes that involve trying to kill said vigilante in the first place?
  • Multi-Armed and Dangerous: His claim to infamy is his four mechanical arms.
  • Multi-Armed Multitasking: He was very good at using his tentacles to do this. According to the most reliable source, he could use his tentacles in combination with his regular hands to do one complex task and two simple ones at the same time. And as the above Trope shows, there were also several stories where the "complex task" was a heated battle.
  • My Beloved Smother: His mother was incredibly overprotective and smothering, presumably as a way to "make up" for his father's abuse. As a result, Octavius grew up with an unhealthy attachment to her.
  • New Tech Is Not Cheap: He's had to rob banks before because that equipment he uses is not cheap.
  • Not That Kind of Doctor: He had a doctorate in Nuclear Physics originally. The Ultimate version seems to have replaced this with genetics.
  • Omnidisciplinary Scientist: While primarily a nuclear physicist, he is also skilled in chemistry, engineering, biochemistry, and robotics.
  • Phlebotinum-Handling Equipment: What his tentacles were originally designed for.
  • Pet the Dog: He has gotten a few pet the dog moments over the decades, including trying to save Aunt May from Hammerhead and trying to develop a cure for AIDS in order to save his ex-girlfriend.
  • Reality Ensues: What happens when a human without any kind of enhanced durability spends years getting into super-battles? The result isn't pretty.
  • Shadow Archetype: He is what Spider-Man could have easily have become if he let his powers go to his head. Much more so when he actually becomes Spider-Man.
  • Sharp-Dressed Man: Starting when he formed the second version of the Sinister Six, he got rid of his original costume in favor of expensive Italian suits; these lasted until his death and later resurrection by the Hand.
  • Spider Limbs: His tentacles, of course.
  • Steven Ulysses Perhero: Gets a lampshade hung on it by J. Jonah Jameson:
    "Guy named Otto Octavius winds up with eight limbs. What are the odds?"
  • Sunglasses at Night: He's rarely seen without them.
  • Synchronization: If his metal tentacles are damaged or destroyed, even from hundreds of miles away, he feels incredible pain and a shock that can often render him unconscious or cause him to fly into rage. After years of using them, the arms have almost become a part of his body.
    • In the mini-series "Doctor Octopus: Year One", it's revealed that he created his infamous tentacles with the ability to feel radiation.
  • Take Over the World: This has been his stated goal in some of his schemes (including the "Return of the Sinister Six" and "Ends of Earth" storylines), but it was usually a front for some other goal, except in "Revenge of the Sinister Six" where it really was his goal.
  • Technopath: One of Marvel's latest trends is to attribute this power to Doc Ock.
  • Took a Level in Badass:
    • That one time he got adamantium tentacles. He beat the Hulk unconscious. He gave Iron Man such a thrashing he considered retirement, setting him up as a villain who can hang with the big guns.
    • His comeback as the Superior Octopus. A brand-new set of powerful tentacles, but now complemented by an actually superhumanly powerful body, Spider-powers included.
  • Unwitting Pawn:
    • He considered the second incarnation of the Sinister Six to be this.
    • In one three part story, Fusion, a villain who Spider-Man had previously called a “poor man’s Mysterio”, thought he had brainwashed Doc Ock into being his slave. Boy, was he wrong. Doc’s iron will couldn’t be scratched, and he had been using Fusion as his own Unwitting Pawn the whole time. When he no longer needed him, Fusion found himself on the receiving end of a Curb-Stomp Battle, as Ock beat him severely and left him broken, bloody, and barely alive for Spider-Man to find as an example of anyone who challenged him.
  • Villain Over for Dinner: At one point, Aunt May was dating him and they nearly got married. Right now he even supplies the page image for this trope.
  • Villain Protagonist: Of Superior Spider-Man.
  • Villain Team-Up: Octavius is often the leader, and in some continuities the founder, of the Sinister Six.
    • He has also led at least one version of the The Avengers villain team, Masters of Evil.
  • We Used to Be Friends: In a few versions, most notably the 90s cartoon, Dr Otto Octavius encouraged a young Peter Parker's love of science, and told him to ignore those who would mock him. They weren't exactly friends, but close enough that Octavius remembers who Peter is when they meet after he's become Dr Octopus.
  • Why Did It Have to Be Snakes?: He once developed arachnophobia after a very angry Spider-Man beat him within an inch of his life after the scientist nearly killed the Black Cat.
  • Worthy Opponent:
    • While he despises Spider-Man and is obsessed with defeating him, Octavious nonetheless appreciates that Spidey is highly intelligent and respects him as a formidable enemy.
    • In the Ultimate Universe, part of what prompts him to try and give up on villainy is because he decides Spider-Man is so impressive that he ought to be proud of having created him, even if by accident.