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|“||You took everything from me when you sent Abigail into that machine. Now, I'm taking everything away from YOU. You're going to watch as everything you built disappear. Then, it's YOUR turn!||„|
|~ Yokai preparing to kill Krei.|
|“||I want my daughter back!||„|
|~ Callaghan as Krei begs for mercy|
Professor Robert Callaghan (also known as Yokai) is the main antagonist of Disney's 54th full-length animated feature film (based on the Marvel comic), Big Hero 6.
He is a former university teacher presumed dead in a fire; until he later re-emerged using a vast army of microbots in his plan to take revenge on Alistair Krei, whom he blames for the supposed death of his daughter, Abigail Callaghan.
Big Hero 6
Professor Callaghan is a renowned roboticist in San Fransokyo, credited with the creation of Callaghan's Laws of Robotics. He first appears in Tadashi's university, the Institute of Technology, with Tadashi and his younger brother Hiro. Upon introducing himself to Hiro, Callaghan speaks that Hiro's fighting robot employs his laws, and subtly reprimands him for bot-fighting as opposed to putting his intellect to use. It is this that motivates Hiro to join Tadashi's university and to invent the microbots. Hiro's subsequent demonstration of his new microbots in order to join the university visibly impresses Callaghan, as well as Alistair Krei.
Krei expresses interest in buying Hiro's microbots, but Callaghan intervenes with Krei's offer and states his distrust of Krei, convincing Hiro not to sell his microbots (a subtle reference to his hate of Krei). Once Hiro denies to sell the microbts, Callaghan accepts Hiro into the university. After the presentation, a fire breaks out in Tadashi's showcase with Callaghan still inside. Tadashi runs inside to save Callaghan, but the building explodes, killing Tadashi and leaving Callaghan to be presumed dead.
Callaghan, as Yokai, is later found within a warehouse in a shadier part of San Fransokyo, where Hiro's microbots led him. Hiro and Baymax discover what appear to be robotic arms (highly resembling Callaghan's robotic arms in the showcase) manufacturing microbots by the dozen. Before Hiro could investigate any further, Yokai appears and bundles the microbots into a slithering wave, and attempts to kill Hiro and Baymax. Hiro catches a brief glimpse at the masked man before escaping out of a window. Hiro explains the matter to a local police station, but is met with disbelief by the cop he tries to explain the matter to.
Hiro is still devastated about the loss of his brother, and theorizes that Yokai stole his microbots, then caused the fire in Tadashi's showcase to cover his tracks. Determined not to let him escape, Hiro builds Baymax a suit and installs combat into his databases, as a chip of his design. Hiro tracks down Yokai near the warehouse. Hiro sees Yokai and ducks for cover, and sees Yokai gathering massive parts from the nearby bay with the microbots. Suddenly, the rest of Tadashi's friends (GoGo Tomago, Honey Lemon, Wasabi, and Fred who Baymax had contacted earlier) drive in. Hiro desperately attempts to explain the situation, but Yokai sees them and attempts to crush them. Narrowly saved by Baymax, Hiro and the rest drive off, in hot pursue by Yokai who attempts to kill them by throwing vehicles and using his microbots as a wave to attack them. It ends with Gogo accidentally driving a car into the bay and sinking into the water. Yokai looks on, and, thinking them dead, leaves.
Baymax saves Hiro and his friends by discarding his armor and using his buoyant balloon body to float up to the surface. Baymax reveals that he scanned Yokai before they sunk and has information on him, and they retreat to Fred's house, surprisingly a mansion. Planning to do a mass scan on San Fransokyo to find out his identity, Hiro builds a new suit for Baymax, equipped with offensive capabilities and rocket-propelled flight, and designs suits for his friends, organizing Big Hero 6 to bring Yokai to justice. Baymax and Hiro fly above San Fransokyo and scan the city, and Yokai's information is matched to a distant, quarantined island.
Flying down to the island, the Big Hero 6 discover what appears to be a machine in progress. A video feed shows the construction of the machine, which was meant to be a massive teleportation device. Krei is seen in the feed, and a mortal accident accidentally ends up with the machine exploding while a test pilot is launched inside as it does, leaving her to be presumed dead. This leaves Big Hero 6 to assume that Krei is the guy under the mask. Before the feed continues, Yokai suddenly appears, armed with the microbots, and yet again attempts to crush the heroes. Hiro and everyone else fight Yokai, ending with Hiro and Baymax flying into Yokai and knocking off his mask.
As they got up, Yokai turned and showed his true identity as Robert Callaghan. Realizing that Callaghan was the one who caused the fire that killed Tadashi, Hiro confronts him for this, only for the professor to coldly dismiss Tadashi's death as his own mistake. Out of complete rage, Hiro removes Baymax's healthcare chip and orders him to kill Callaghan. Baymax goes out of control and attempts to kill Callaghan, but the other members try to stop him, allowing Callaghan to flee. Baymax is forcefully stopped and Callaghan reclaims his mask to use the microbots to escape, much to Hiro's dismay.
Hiro is angry at his friends for interfering and flies off with Baymax, leaving the others behind on the island (although Fred tells him that his butler picked them up and flew them back in his family's helicopter). After trying so many failed attempts to gain access to his access port, Baymax asks if killing Callaghan is what Tadashi would have wanted. After Baymax shows Hiro a video compilation of Tadashi making improvements, making Hiro regain his senses and realize that killing Callaghan won't do any good. Big Hero 6 regroups and looks over the video feed again. It shows a visibly furious Callaghan storming into the building, roaring at a frightened Krei about how his machine "wasn't ready" and "unsafe" and that he was using it without consent. The building was quarantined by the government, and the test pilot is revealed to be Abigail Callaghan, the professor's supposedly dead daughter. It was then Big Hero 6 realized that Abigail's apparent death drove Callaghan to a point of vengeful grief, leading him to adopt the masked costume and manufacture the microbots to take revenge on Krei.
Big Hero 6 rushes over to Krei Tech's main building, where Krei is making a speech about the new building's opening. Callaghan, again as Yokai, suddenly intercepts, seizing Krei and dragging him into the air and directly confronting Krei about his daughter's demise. Krei begs that Abigail's presumed death was an accident, but Callaghan dismisses his plea and accuses Krei and his arrogance and greed for being the cause of Abigail's death. He then takes the remains of the teleportation machine and rebuilds it over Krei Tech's building, intending to destroy it. He tells Krei that he will make him watch everything he built be destroyed, then he will kill Krei next. Big Hero 6 arrives, and Hiro tries to reason with Callaghan to spare Krei, admitting that he understands his pain and knows the very feeling of loss. Callaghan briefly falters and appears to consider stopping his crimes, but when Krei cowardly pleads for mercy, he once again allows his anger to consume him and instead opts to kill both Krei and the Big Hero 6, using the microbots to pin down each member of Big Hero 6. In a climactic final battle, Hiro has everyone works at different angles, succeeding into tricking Callaghan into sucking his microbots into the portal the machine above created.
Callaghan, without anymore working microbots, is about to receive a punch in the face by Baymax, but it turns out that the robot decides to spare the former professor. Baymax the removes the mask and crushes it, rendering the remaining microbots useless. As such, Callaghan starts to fall along with the portal, only to be saved by Baymax and Hiro. Before Callaghan can be arrested, Baymax detects life within the teleportation machine's dimension, revealing that Abigail is alive but in hypersleep, much to Callaghan's surprise. Hiro and Baymax fly into the portal and successfully manage to draw Abigail out, but at the cost of Baymax's original body.
For his crimes, Callaghan is arrested by the police, but he manages to see his daughter one last time before being driven off in a police car, and his sad facial expression implies that he feels remorse for his actions as he awaits to be given a life-sentence in prison for his crimes.
Callaghan initially appears to be an authentic, friendly, and genial teacher befitting his appearance. He clearly looks for potential in his students, and displays a measure of cunning manipulation in the means of subtly telling off Hiro for using his intellect in illegal bot-fighting. Callaghan is also an experimental, inventive, brilliant, and presumably revolutionary man, responsible for coining Callaghan's Laws of Robotics. He was presumably famed for these reasons, as Hiro was immediately starstruck upon learning who Callaghan was.
Behind this, however, Callaghan was tortured, brooding, traitorous, and merciless. He was an immensely tragic figure motivated by the loss of his daughter to Krei's misuse of Project Silent Sparrow, leading to a bitter and murderous resentment of Krei and a lust for vengeance. As Yokai, Callaghan was resoundingly stoic, ruthless, and heartless, a no-nonsense individual never saying so much as a word in his attempts to kill Big Hero 6. He employed ambush as much as he did brute force, and never let up in his assaults.
Callaghan had become a dark reflection of Hiro, an individual who was racked with grief after the loss of a loved one and thus sought revenge. However, while Hiro eventually learned from his mistakes and accepted his loss, Callaghan's morals had been too thoroughly drowned, instead allowing his bitterness to consume him. He callously dismissed Tadashi's death as his own mistake, and coldly ignored Hiro's pleas to accept his daughter's loss. However, upon seeing his daughter alive and realizing all his senseless destruction was ultimately for nothing, he seemed to show fault for his actions, implying immense remorse.
Ultimately, Callaghan was undeniably manipulative, but in becoming so, became one of Disney's most sympathetic and three-dimensional antagonists.
Yokai appears as a tall, shady man, dressed so that no skin shows. He wears a black suit outfitted with dark gloves and a white kabuki mask to conceal his face. He has white wrapping across his legs. He telepathically leads a vast army of "microbots," which he can bundle into several different forms, most notably as a swarm he can use to stand and ride on as a sort of wave.
As Callaghan, he appears as a middle-aged professor with gray, thinned hair, and blue eyes. He bears a rather striking resemblance to Rourke, the main antagonist of the 2001 Disney film Atlantis: The Lost Empire, hinting at his true nature.
Powers and Abilities
Yokai's primary source of power were Hiro's Microbots. With the transmitter created to gain control over the miniature robotic army, Yokai was able to transform the robots into a deadly force, capable of immensely dangerous acts. To control them, the headband of a transmitter was inserted within his kabuki mask, and without said mask, control over his Microbots would cease, thus rendering him powerless. Though he generally lacks physical strength, Yokai has been shown to have a considerable amount of physical attributions, as seen during the car chase through the San Fransokyo streets. Even so, such attributes weren't utilized in other scenes, as he heavily relied on his Microbots and own, personal cunning, to do away with his enemies.
The Microbots were capable of grouping together and forming into anything the mind could conceive. When in battle, Yokai's typical course of action would be to form the Microbots into a giant, spear-like shape, which would swiftly strike at his enemies in hopes of impaling them or becoming large fist-like shapes, which trades quick strikes based on speed for brute strength which are capable of inflicting devastating blows upon armoured foes like Baymax. He would also use the strength of the Microbots to utilize surrounding objects heavy in weight to crush his enemies, such as a cargo container, a car, or a massive piece of concrete. Yokai also uses their durable forms to block most incoming attacks that were meant to incapacitate or harm him, such as the flames from Fred's monster suit.
The Microbots could also be used as Yokai's source of transportation on multiple terrains, as they were capable of being used on both solid land, and sea. During travel, Yokai would usually stand at the high center of the Microbots, which would be formed into a mountainous form during such occasions. Due to their high speeds and agile movement, Yokai can use the Microbots to catch up to and outrace cars in high speed chases, scale and climb any surface, and dodge incoming attacks, all with great ease.
It should also be noted that Yokai's secondary source of power was his own intellect. With such power over the mind, Yokai was able to carry out his plot to solely rebuild Krei's portal (which is an example of his vast intelligence, in and of itself), steal Hiro's Microbots, and duplicate said inventions without having law enforcements catch on. In fact, if it weren't for the unintentional interference of Baymax, Tadashi's healthcare robot, Yokai's plot would have very well succeeded.
- He is based on Lord Deathstrike from the original Big Hero 6 comic books. This would make him the first Disney villain to ever have roots from Marvel Comics.
- His alias, Yokai, means "spirit" or "demon" in Japanese.
- Callaghan acts as a dark counterpart to Hiro. Both are brilliant inventors who end up suffering a tragic loss of a loved one (Tadashi for Hiro and Abigail for Robert). However, while Hiro eventually learns to accept his loss and change before he can fall into darkness, Robert stubbornly refuses to accept Abigail's loss, having been pushed too far into corruption to change. However, upon seeing his daughter while being arrested, he seems to show some regret, hinting that he may change or not.
- In production, Callaghan was originally known as "Dr. Martin Lebur".
- Among the scripts and concept arts of Yokai, some of them depicted Yokai with slightly different powers: Instead of using masses of microbots, he uses what appeared to be liquid living biomass that's similar to the Venom and Carnage Symbiotes from Marvel Comics, but how he controls them is nowhere to be different.
- Originally, Professor Callaghan/Yokai was going to put together a team of San Fransokyo's greatest criminals including Mr. Yama, but was changed to a solo act.
- His alias Yokai was never mentioned directly in the film, it is only in the merchandising of the film.