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Headscratchers / Monsters, Inc.

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Why do they still think Boo is toxic?
  • When Boo is in their apartment, Sulley and Mike avoid touching her with bare hands as they think she is toxic. However, when Sulley first sees Boo, it is because she was lifting and dropping his tail, so surely that proved that she wasn't toxic?
    • Just because arsenic doesn't instantly kill you when you touch it doesn't mean you want to keep touching it and get it all over your stuff.
    • Also, since children are such a huge unknown save to the CDA, it may be that while they know kids are dangerous, they may not know how they are dangerous. After all, one monster claims Boo has laser vision. Another one claims she has mind powers.
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    • Plus, they're paranoid and freaking out. For all we know, Sulley had been spending hours frantically thinking "Is my tail gonna fall off? Is my tail gonna fall off?!"
      • Sulley didn't come to the conclusion that Boo wasn't toxic until later that night when he remained healthy all evening despite his exposure to her.

What happens if you're inside the closet when they open their portal?
  • I assumed that if you opened the door, you'd get into the monster world, just that you'd be coming out the back since the front is being used by the monsters to get into your room.
  • Most likely if the closet door on the other side is already open you can't make the portal on either one.
  • Something in the film seemed to suggest to this troper that the doors have to be available, ie, closed in order to establish the link. If you had your closet door open, they wouldn't be able to connect. If you were inside with the door closed, chances are it would be as though two portals were open in the same point. You go through the inside of your closet to the outside of the door in the monster world, and vice versa.
  • You get the plot of the movie.
    • Which, combined with what's said above, makes a nice piece of Fridge Brilliance. The reason Boo wasn't there when Randall first checked was because she was in her closet at the time the door was activated. By the time she left the closet (and therefore entered the Monster World) Randall was gone and Sulley was looking into her room.
  • You'd see the door open itself, but the monster world would be behind it. Ironically, the monster in your room can't get you.
  • The thought of this made me think of how Boo actually escaped out of her room and into the monster world for the first time. What if she was actually hiding in her closet for some reason (Possibly looking for Randall), but when Sully opened the door she got immediately teleported to the monster world behind his tail? It would make since because the space of the closet extends past Sully if he were in there.
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  • One thing's for certain, make sure you're not getting dressed (That'd be much more embarrassing than scary).

If the doors need power to operate but provide the power for the monster world, then how did they start working in the first place?
  • Maybe Waternoose the First was a mad scientist-type and powered it by lightning, a la Doc Brown
  • Simple: The doors were originally powered by generators that ran on some sort of conventional fuel. Once scream was discovered, it took over from the previous power source.
    • That just begs the question of why they use screams instead of conventional energy sources in the first place.
    • Because screams are either easier to gather or give more power. Plus, they're theoretically unlimited. Theoretically, judging by the recent downturn by the time of the film.
  • It's a similar story to how real world oil rigs use a lot of electricity to extract oil. As long as the energy out is more than the energy in, it works fine.
  • There was a DVD special feature that explained this. Monsters used to travel to human lands by conventional means to gather screams, but this was dangerous, so the Waternoose famnily innovated a safer way to gather screams.

In the monster world, what happens if you go open the other side of those closet portal things?
  • It would form a portal, which can only be entered on the other side.
  • You'd end up inside the closet. Have you ever played Prey? Same concept.
  • You can't. Doors only open in one direction, toward their hinges.
    • I think what he means is like being inside a room and going out versus being outside a room and going in. It's all relative to what side of the door you are on.
  • From the back it would just work like an empty doorway. The portal only works when entered through the front.
    • Does that mean that if you stuck your hand through, then pulled it back, you would lose your hand through the portal?

If Boo is revealed to be scared of Sully, why didn't he just scare her off earlier?
  • She wasn't "revealed to be scared". She became frightened when he roared in front of her.
    • Also, as scared as he was of her, he didn't just want to abandon her, especially since he thinks she's toxic to all the other members of his own kind. He was just trying to get her safely back home, where she couldn't hurt anyone and no one would try to hurt her.
    • Also, she wasn't scared, she felt hurt and betrayed.
      • You sure about that? I always thought she was scared.
      • She's a toddler being faced with what she thought was a big cuddly teddy bear suddenly turning into a huge-fanged beast right in front of her, she's terrified is what she is. I doubt she's even mature enough at that point to understand emotional hurt or betrayal of this nature, much less experience it.
      • Using Monsters University to make this point, Dean Hardscrabble pointed out to a once arrogant Sully that children have specific fears that make them scared; any other means of trying to frighten them beyond their fears will only make them upset. At that time, Sully was too arrogant to take that advice seriously, and it took his journey with Mike to learn that he needed to actually prep and pay attention. But Boo was never one of the children assigned to him, as she was never scared of fanged, furry monsters who could roar loudly. She was scared of reptiles, which made Randall more of an ideal monster to frighten her. Take that, combined with Sully not knowing anything about her, and he had no idea what he was dealing with. If anything, he was scared of her being in the monster world when no child had ever made it past their closet door, and since monsters think kids are toxic, all he could do was panic at this unexpected turn of events. It's like if a kid is just going about his business and he suddenly sees a spider; the adrenaline kicks in and the first instinct is to run for the hills.

It's not clear who really believes that children are as toxic as is (mistakenly) thought.
Waternoose seems to react with fear at Boo, but has no qualms picking her up later. Also, he's the head of the conspiracy to capture kids, so he must know they're ok. Meanwhile, Roz, the head of the Child Detection Agency, also seems to know that kids aren't toxic, in which case what's the point of the CDA?
  • Their entire economy/energy policy is based on terrifying helpless children. Since the monsters aren't evil by nature, the only way to make them accept it is to demonize the kids.
    • In which case, why are the CDA so vigilant? They really *seem* to think the kids are toxic.
      • They may actually believe it. They are just the foot soldiers of the conspiracy.
      • Either that, or they may know the kids aren't toxic. They may be trained to simply act like they're toxic, for the sake of keeping the secret safe.
  • Waternoose is startled because he's thinking "Oh great, James and his friend have the child. They may very well be on to my plot. I'll have to think fast and get rid of them." The CDA likely exists and perpetuates the myth of children being toxic for the purpose of keeping anyone from thinking along Randall's and Waternoose's line, namely "Let's kidnap children wholesale and suck the life out of them to get all the power we'll ever need," on the basis of ethics and/or fear of the monster world being compromised.
    • Exactly. Notice he doesn't say "Oh my goodness, a child!" He says "The child!" because he knows exactly who she is.
    • Boo's face was all over the morning papers. It's not that much of a stretch for anyone to to recognize her as the child that escaped into the monster world (as opposed to any of the other first children to enter the monster world in all of history).
  • Roz probably discovered children weren't poisonous while she was working undercover, but they couldn't share that information with everyone in the CDA in the middle of an ongoing investigation. So the decontamination teams and such would continue to do their job.
  • ... but the fact that they were investigating a plot to kidnap children supports the Epileptic Tree that their true job is to protect kids and maintain the Masquerade from humans.
  • Perhaps children to them are like peanuts are to us, innocuous to much of the population, but toxic to enough of them that the government gets involved
    • If peanuts were as tightly controlled and restricted as children are in this movie, I'd have a much harder time finding them.
  • The CDA exists because, while they aren't poisonous, they are dangerous. Boo laughing causes a power surge. They have to be prevented from coming into the monster world because they mess with the power grid. The whole "poison" thing is probably just a scare tactic to make people take them seriously.
  • I thought it was just a cultural misunderstanding. If I remember correctly, every monster except Sully has shown incredible fear of Boo until they were around her long enough to realize she wasn't dangerous.
  • Odds are the Children Are Poisonous myth was started by the original Waternoose founders of the Monster's Inc. factory. They found a way into the human world and realized that children's screams can be used for power. This is a good thing, and since the monsters aren't actually evil they create a way to use the power without putting the children in any actual danger. Think about it, if the children weren't believed to be deadly how long do you think it would be before people started doing exactly what happened in the movie? All they'd have to do is kidnap children and terrify them until they were useless, which would be far more effective than using scarers, but it's also horribly unethical. Nobody who finds out about the kidnapping children plan approves of it, from Sully and Mike, to Roz and the CDA to even Celia, who went from being incredibly angry at Mike to defending him when she learns the truth.
  • I thought that the myth was only related to direct contact with the child or the child's possessions.
  • This likely has to do with the fact that monsters have conciences (and coorporations might not). It prevents the scarers from sticking around long enough to feel guilty and makes them less likely to go back and try to comfort the kid if they do feel guilty. A comforted kid could result in a dead door. A guilty monster is likely either a quitting monster or a half hearted scairer. So high turn over rate hard to find scarers wasted training. Plus the whole matter of the employees talking about it might make other monsters aknowledge the fridge horror and try to cut back if they knew the cost or demand an alternate source. Basically the whole toxis children thing is to prevent what happened to Sulley.
  • This troper remembers a theory that it had to do with transmittable diseases. Perhaps, in the early days, the monsters went the way of Native Americans and were quickly infected and killed in the hundreds by smallpox and the like. Maybe, once they started seeing humans (children) as toxic, they stopped getting so easily sick?
  • It may also be to protect against the possibility of human adults finding out about monsters. Kids are going to enjoy monsters and as long as the kids think that the monsters are, more or less, imaginary friends, all is well and good. But parents aren't likely to be comfortable with the fact that a 10 foot tall grizzly thingie is playing with their kid on a daily basis - not without a lot more difficulty and possibly violence. Also, preserving the myth protects the children and the monster world in another way - by limiting how long a child interacts with the monster world (both on a daily basis as well as a long term basis), this prevents the human world from becoming desensitized to monsters (which would kill any potential scream energy from them) and limits how much mental and physical harm a child might encounter (scaring someone on a regular basis isn't the healthist thing in the world and most monsters are easily capable of harming a child unless they have a strong incentive not to even touch them). Lastly, it may be also a way to preserve human society and culture in a sort of Prime Directive way - they don't want to influence human society to much so that they have a chance to grow on their own.
  • My theory, based on what is shown, is: Until the end of the film, the CDA legitimately believes children are toxic, and their true purpose is what it is on the surface — to protect their world from discovery and from "contamination." Waternoose and Randall believed children are toxic, but this was irrelevant to their plan — they were willing to risk exposing themselves and the rest of the population to something incredibly dangerous for the sake of getting a seemingly more reliable source of scream energy. Waternoose and Randall learned the truth either prior to the start of the film or when Mike told Waternoose "Sir, she isn't toxic!" when he began (so he thought) informing him of Randall's plan. The CDA was investigating a plot to kidnap human children; their primary concern could have been either the danger it exposed the city/world to, or the safety of the human children (humans have organizations to protect animals that we nonetheless consider dangerous), or both.
    • This might go for the film as a whole but it's possible that the monsters were conditioned that way because children could alert the adults to or, if they aren't conditioned otherwise, the monsters could bring humans to the monster world which could and most likely would have consequences (I think this was brought up Monsters University, something about the fall of civilization) and there's the obvious that they don't know how or if kids are dangerous, so there's that plus being conditioned (with that fear in mind)

When Sully scares a slumber party and fills up several canisters one after the other, each canister appears attached to the scream intake valve by magic as the last is removed.
  • Mike is just that fast.
  • Indeed, if you watch it frame-by-frame, he grabs new empties from behind where he's putting the full ones, from the camera's point of view. It does stretch credulity to be so fast, but if for one joke and he has to do this all day and has had years of practice.
  • When i first watched the movie, I took that as an explanation why Mike was Sulley's, the best among the scarers, workmate: Mike is the best there is at his part of the job.

Why do they need a silent countdown into the start of the scaring session, if they then start it with the blow of a horn?
  • They don't actually need it; it's just a spoof of the old Show Within a Show live-television trope where the stage director/manager/whathaveyou bosses everyone around in a moaning tone of pseudo-New-York-ese and does the countdown to and from commercial breaks. They usually end up having a nervous breakdown when people rush onto set to declare their love for an actor, or to reveal the truth behind some huge plot, etc. while they're on the air. The best reasons I can think of for this story to have it are
    • a) to make scaring seem even more like showbusiness (in addition to the rivalries between the scarers, the hero-worship they receive, and the fact that their job is essentially to leave an impression on people who scare the pants off them just by being there), and, by doing this, to
    • b) help in a minor capacity to set us up for the story's conclusion; yeah, the 'window of innocence' shrinks every year, but no one really outgrows a fart joke.
  • To give the monsters time to prepare/steel themselves for the blow of the horn.

The heroes are presented as being so smart and so clever...yet it takes them so very, very long to realize kids laughing makes more power than screams. They see it happen a million times. They -use- it to escape the bad guys.
  • Monsters are terrified of kids, and vice versa. Coaxing laughter out of a child (as Mike is seen doing near the end) would require extensive interaction with one, which as far as the monsters knew could be fatal. And Mike and Sully were too terrified of being caught or killed to make the connection at the time.
  • This troper loves the movie, but would hesitate to call either Mike or Sully "smart" or "clever". The only really clever folks in the movie were Roz and Waternoose...
    • And, arguably, Randall.
  • They use it yeah, but it takes a little bit to realize what's happening. Also, there's a difference between knowing it's more powerful and being able to convert monsters and infrastructure to handle it. After all, the monsters have to go through a four year college to become a scarer. That's a lot of training. Also, there's a very short amount of time between all the scenes in the movie, particularly when they coax Boo to laugh and the climax. They didn't have the luxury of pausing to think about the energy crisis when they're running for their lives.
  • There's less than 24 hours before the first time Boo laughs and the moment when Sully realizes that he can revolutionize the monster power industry. Much of the intervening time is spent worrying that Boo might kill them, worrying that Boo might harmed, and dismantling an evil scheme. So it's really no surprise that they didn't put things together till the end of the movie.
    • To add to this, when does Sully put two and two together? When he and Mike are calmly walking away from the factory at the end of events. It's probably the first moment he's had all day to collect his thoughts without having to stress out about something.
      • Also, Mike said "The factory is in the toilet, and gee hundreds of people are out of a job now. Plus there's the angry mob for when there's no more power, but at least we have some laughs" That last word just answered the problem to saving both the factory and the energy crisis.

Waternoose strands monsters at the top of mountain... at the bottom is a village of children's doors. If I was going to strand someone on say, a deserted island, I'd make darn sure it isn't in swimming distance of say, a manned weather station.
  • Keep in mind that the remote village was a three-day hike down a mountain for the Abominable Snowman anyway, through heavy snow and ice. Going out in a blizzard really is very dangerous and they can last for days, weeks on end in the mountains. Sulley and Mike were incredibly lucky not to get killed.
  • You've just been exiled - presumably your property has been sold, you've shamed yourself and your family, nobody in their right minds would employ you, you'll probably be thrown straight back even if you can find a way - and your only chances of getting back are rarely-activated portal-doors 'guarded' by killer humans.
  • Probably monsters HAVE tried to get back - like busting out of prison.
  • To get to the kid's doors, they've got to get past all the humans. The humans who (a) they think are toxic and (b) even if they aren't probably aren't going to look very kindly on a big scary hairy monster entering their village demanding to enter their kid's closets, please.

Much of the plot happened at a sushi restaurant. Many of the monsters LOOK like fish. Creepy. "Hey, Bob, wanna go eat at the Humanoid Steak Emporioum? Half off arm-fillets."
  • So what, is there no such thing as a predatory fish? I do believe Pixar's very next film validates that there are. Besides, technically sushi doesn't refer to the fish. It refers to the vinegared rice which the fish is placed upon. Many sushi dishes don't even have fish (instead having meat, vegetables or nothing). The word "sushi" actually derives from an archaic term that roughly translates as "it's sour".
  • You eat cows, well you probably do, I'm guessing. Anyway, cows are mammals, and you're a mammal. Is eating a cow cannibalism? Nope. Also, eagles eat chickens, and gators eat small snakes.
  • Just because they look like fish doesn't necessarily mean they are fish.
    • It's shown in Monsters University that there are "monster-versions" of regular animals.
  • I think what OP's trying to say is that eating a life form that looks remarkably similar to a person you just talked to is a bit disconcerting, even if you know they're not related, a bit like hitting an android on the head with an axe: sure, you know it's just a machine and you're not going to kill it since it can just be repaired, but something in your mind will probably still tell you not to do it. But who knows, maybe it's just Values Dissonance and we'd be less weirded out if our diet included more humanoid animals.

Power Crisis
Kids are getting less easily scared earlier in life, but more and more kids have been born every year. It implies that the monsters stopped caring about power efficiency a few years ago (almost a metaphor for gasoline in the '50s-'60s than for oil to renewable power switching), rather than the increase in utilities and decrease in scream power meeting in a shortage.
  • There's a limited number of "scarers", though. It doesn't matter if there's 50 or 100 kids who can be scared if you can only go through 25 doors a night.
  • The doors themselves also require power. Once it got to a certain point there wouldn't be a high enough power margin for it to be worth doing any more.
  • More kids to scare means more attention. Scarers are in a paradox: they need to get scares from children for power, but if they scare too many kids too many times humans will take attention and this could risk discovery of the monster world. From Waternoose's perspective, and in his mind he sees kids as batteries, he doesn't have to bother with all the difficulties of scaring in the outside world when he can just capture kids and extract screams from them. Even if it's a lousy thing to do, he didn't see any other option to keep the company going.

So what keeps Randall from coming back?
He was never officially banished, Mike and Sully threw him into the real world before they told the CDA what they'd found out. If the two of them were able to find a closet in Nepal, it shouldn't be too difficult for him to find another one in what looked like the southern US.
  • The residents of the trailer killed him....
  • Maybe he did come back.
  • In order to come back, Randal has to be lucky enough to find a kid who is currently being scared (or entertained). Otherwise, the door is just a normal door, and it doesn't lead back to the monster world. Sully and Mike were actually really lucky that they were banished to a place where the local village was scheduled for scaring that same day. Randal will probably have to wait around for weeks till he finds an active door. And when Randal does find an active door, what then? Well if the door is active then there must be a monster around. But all the monsters have been informed of the evil scheme, at this point. What's more, they're now in the business of making kids laugh, so the idea of the "scream extractor" is more repulsive than ever. So what would happen? Randal would try to get back through the door, and the monsters on the other side would see him, and they'd either promptly re-banish him or else they'd throw him in a regular prison cell.
    • While most of that is valid, who says that anyone would see him? Remember that Randal has Chameleon Camouflage so good that he could strangle Sully to death right in front of Mike without him even noticing.
  • Answering the question: Nothing, nothing keeps Randall from coming back. There are actually cannonical comic sequels about Randall returning and trying to frame Mike and Sully for various crimes.
  • On a positive note, maybe Randall will wait until he's done a Heel–Face Turn to come back? Maybe? Mike and Sulley would probably be willing to give him a second chance (well, I dunno about Mike, but Sulley definitely would).
    • If [1] falls under the canon of the franchise, he did come back. It just took Vanitas rescuing him and rebuilding his door to accomplish it, since he "almost got turned into somebody's wallet." Evidently those hillbillies really must have done a number on him. Even though he did get back, they just beat him and sent him right back to where he came from (or so help him!)

How old is Boo?
  • Word of God puts her at two.
  • This troper always thought she was three.
    • She's probably a lot closer to three than to two. Remember, she is toilet-trained, which doesn't usually happen earlier than about three years old.

Umm... so what exactly DOES happen when Sully opens the door and reunites with Boo?
Seriously, this bugs me. Can they just make a Monsters Inc. 2 to satisfy my need that I've had since I was, like, nine?
  • He opens the door and reunites with Boo. Presumably they remain friends. What else do you need? The movie has to end at some point, after all. You can't show every detail of everyone's interactions.
  • It's left to our imagination. About a year has passed (according to Sulley's graph) and Boo is still a baby.
    • If [2] falls under the canon of the franchise, Sully and Mike stay after hours and have playdates with Boo (which evidently started not too long after her door got fixed).

Why destroy a door when it's deemed "dead?" Especially after the child fails to be scared of you just once? Why not put it on hold until a new family (and potentially a new child) moves into that house? Seems like a waste of a door. Where do new doors come from, for that matter?
  • Maybe they thought it was too much of a risk. Would you walk into a cave that you knew belonged to a dangerous wild animal that could kill a human on the off chance that it wouldn't be there anymore? As for new doors, they come from wherever all the old doors come from.
  • Maybe it's to keep down on storage. Those doors could be unusable for years on end.
  • New doors are probably being made all the time, possibly somewhere in the Monsters, Inc. factory itself.
    • Monsters University shows that (at least some) new doors are created at Monsters University, tested, and then sent to Monsters, Inc. Presumably doors are also created and shipped at Fear Tech.
  • There was a theory that I heard years ago, which proposed that the doors are linked to the individual child and not the closet or room. Which would explain the need to destroy them, as that child could risk the existence of the Monster World if they had easy access to and from the two worlds.

Regarding The Big Board...
  • If all the other scarers have their surnames on The Big Board, why does Randall's slot say "Randall" rather than "Boggs"?
    • Maybe that's the name he prefers to be known by? YMMV but this troper thinks "Boggs" sounds weird and undignified compared to "Randall".
    • Some people are mononymous, they only go by one name. I'm sure monsters aren't an exception.

What's with the Elizabethan collars?
Most of the CDA's actions would make some sort of sense if kids really were toxic, but what's the point of the Elizabethan collars they keep attaching to everyone?
  • Uh. Those aren't Elizabethan collars. They're collars like the vet puts on a dog when they don't want the dog to bite their stitches or something. Or, you know, the Cone of Shame.

What happens if during the day a kid switches rooms with an adult
People move house and redecorate/change the format of the rooms all the time. Do the Monsters have a way to pick up on this, or something?
  • Simple. They would make periodic checks. And they do it during the night when everyone in the house is asleep. If they find the family has moved out and a childless couple has moved in, they put the door into storage and check it again every few years to see if the couple has either had a kid or moved out.
    • In the scene when Mike and Sulley climb out of a door that's lying horizontally, you can see that many doors are coming in and out of a several large holes in the wall. Where are they going and coming from? They can't be heading to the scare floors - those are the hexagonal tunnels at the opposite end of the door vault. It is quite possible that they are being taken out of the vault for exactly that purpose, or some other form of servicing.
  • It takes more than a day to switch to sleeping in another room. If the room is unusable it would be picked up on pretty quickly. The door would either be shredded or put into storage.

The Purple Monster that puts in his eyes.
When he walks out with Sully and the other scarers in heroic slow-mo, he has 3 or 4 eyes. However, when he's in his station, he has NO EYES and his little helper dude PUTS IN a dozen or so eyes. Later, I think he's seen with a few eyes as well. Continuity, much?
  • Obviously he chooses how many eyes he feels like wearing at that moment. Perhaps he's most comfortable with only 3 or 4, but he know that a dozen is more effective for scaring, so he adds more when it's to get some screams.
  • Two different monsters, just look at the score board carefully
  • Yes, this confused me for the longest time, but there are two different monsters. Both purple, same size and shape. The only difference is one has 3 eyes, and the other has none until he adds them.

Concerning Banishment
Being banished from the monster world means practically nothing when you can easily return to it via the closet doors in children’s bedrooms? So what's the point of banishment?
  • It's probably standard procedure for banishments to be known about (if not conducted solely by) the law enforcement of the monster world, so they'll be on alert in case the monster in question tries to come back. In Mike and Sulley's case, they'd stumbled across a conspiracy and been banished by Waternoose himself to keep it under wraps. That's why it was so simple for them to come back - they hadn't been officially "banished," just thrown out into the human world.
    • Waternoose threw them out to keep them out of the way until his plan got off the ground. They wouldn't be official fugitives when they return unless Waternoose had evidence to convict them of anything illegal. But since they did come back early, he DID try to sell them out to the CDA.
  • Others on this page have asked similar questions, to which others have replied:
    1) In order to get back, they're going to have to be really lucky like Mike and Sulley were and find the door of a kid that just's coincidentally enough being scared or entertained at the moment.
    And 2) In order to get back, they have to get past the humans... who they think are toxic.

What about non-hinged closet doors?
This troper has only ever lived in houses with two-part sliding closet doors. Are kids with those kinds of doors just automatically safe? Do they have another method for getting to them?
  • One of the other closets throughout the house? They go through the coat closet, the towell closet, etc, then just use the bedroom door.
  • Well, Mike knows how a sliding door works, so it can be assume they can enter kids rooms through those.
  • Is it really that hard to figure out a sliding door, though?
  • What the original troper means is, ALL of the doors that Monsters Inc. uses are hinged doors, and the doors that they connect to are hinged doors. If a child's room has a sliding door for it's closet, how would a hinged door portal work? Maybe one of the other scare floors specialize in sliding doors.
  • From the look of it, me and my aunt came to the conclusion that the hinged door leads into the closet, which the monster must then proceed to slide open to continue scaring. Mike is apparently familiar with this procedure (it'd have to have come up in training), but Sulley might never have encountered one.

Why is there a door in the middle of the Himalaya's?
  • To banish people through, obviously.
    • I think the troper was asking how the door got there in the first place. I'm guessing that they used a different door (not a children's closet door) that was part of a house that had been abandoned, hiked up that massive hill, and installed it there.

Why Boo of all kids?
Why is Boo the only child targeted as a test subject for the scream extractor? There's millions of other kids they can chose from and they would probably be better fitting. Boo may be scared of Randall, but she finds most of the other monsters "cute" or 'funny". I'm sure there are lots of toddlers who would be fearful of ALL these monsters on sight. Sure, after Boo made the news and the headlines he was determined to get her alone, as the risk of bringing another kid into the monster world would've fueled the flames, but after Randall's first search in Boos room failed (and before the incident at Harryhausen's) couldn't Randall just get the files for another two or three-year old and kidnap THAT kid?
  • They just picked a kid at random. They weren't going to do some kind of extensive psychological profile of the kids to pick the perfect one, they just grabbed whatever one they got hold of.
  • Boo seems to be a recurring scare victim of Randall's. He may have chose her because she makes him feel 'superior" to Sully. And give that the scream extractor was HIS invention, his motives might have been a pride thing to some extent.

All Those Activated Doors
When Boo laughed during the big escape scene, thousands upon thousands of doors activated for closets all over the world. What are the chances that not a single one was opened from the other side revealing the monster world to whomever opened the door? I cringe at the thought of the number of children who opened their closet doors, stumbled through and fell hundreds of feet to their deaths on the warehouse floor.
  • Most of the doors in the door vault are stacked behind another door. Only a very small percentage of doors will be at the front of a stack or in transit, so if a child had opened their closest door, the chances were that all they would have seen was another closet door right in front of it.
    • Which means that it was quite surprising that every time Mike and Sulley emerged from a door, it was always on the front of a stack or in transit.
    • Boo's laughter probably activated the machine that moved those doors. Also, this troper got the impression that there's something more to accessing a door than just opening it.

Time Passing
At least 24 hours pass in the Monster World while Boo is there. And time seems to pass in the Monster World while Sulley and Mike are in the Human World. Surely Boo's parents notice she's missing? She's a two-year-old girl, and she just... vanished from her room late at night. They'd go frantic. How come nobody ever touches on this?
  • The story's from the monsters' perspective, so cutting to Boo's parents would have broken the narrative flow.
  • The Monster World is on a separate planet (or possibly moon) which rotates at a much faster pace than Earth-possibly only a few Earth hours could equal a single day on the small Monsterian planet/moon. The company has only been in the family for three generations. Given that Mr. Waternoose is most likely quite old (the lifespan of his species of monster is possibly one of extended longevity), this could date the factory back around over a hundred Earth years. How did they connect the planets? During Tesla's experimentation with radio waves, the planet/moon caught the stray waves and have researched closer into it before figuring out the presence of life on Earth. Then they sent a monster with invisibility and camouflage capabilities onto the planet for closer research. This would mean Boo was gone on Earth for not as long as one would suspect. To fit with the Eastern Seaboard to Nepal time transition (ten hour time difference for those too lazy to count), they could put the said daughter to bed at 7pm and have her returned by 5am or 6am. Boo's room was not intensely ruffled as expected. Knowing parents, if they had been awake during the periods of her disappearance, stuff would be thrown across the room and bedsheets would be on the floor. Maybe have a few police investigators sprawled within the room. This would also explain why humanity is rather mysterious and frightening to them - they know much about it as we do about the new flu of the day. It can also explain why Randall, a creature who can both camouflage and disappear, is so concerned about being on top. He's self conscious about his ancestor's great contribution to the development of modern technology (and why he was able to build a machine with assistance only from Boggs and whatever Waternoose provided. he apparently has inherited the ability to create machinery). Also, it would explain the similarities between human and monster cities, or why monsters have cars even though there is extreme I reading too far into this?
    • ...Um, yes? The WMG history lesson didn't really have much to do with the "their world has shorter days than the human world" answer embedded within it.
    • Or it could just be like the relationship between Earth time and Narnian time. In the Chronicles of Narnia books Lucy and her siblings spend part of their lives in Narnia until some time after they become adults and when they come back to our world they come back at the same time they left. Another example is when Lucy is playing hide and seek with her siblings and hides in the wardrobe while Peter counts (he's in the 90's by this point). That wardrobe leads to her spending part of the night in Narnia and when she comes back to our world Peter hasn't finished counting. Basically when someone goes into Narnia and then comes back it's almost like their life was put on pause. I hope this also answers your question.
  • We don't need all these time theories. They're pretty much unworkable, because various monsters open various doors all the time, out of sync with each other, and interact with kids, and nobody suffers any time compression or dilation as a result. It's much easier to say that there is no funky time thing going on; the monster world and the human world run on the same clock. Thus, Boo's parents probably did notice that she was missing and they probably were frantic. As someone said above, it would've broken the narrative flow if we cut back to the parents all the time (or even once). Besides, this issue was touched on, implicitly. Mike insists on returning Boo to her home. Why? Because she has a life there! She has friends and toys and frantic parents to return to. None of this is spelled out, but it doesn't need to be. It's not as if the parents have a direct effect on the plot, anyway.
    • I agree, I never quite bought the whole "time moves differently" theory. I've always assumed there was some panicking going on, though it doesn't look like her parents frantically moved her room around. Just imagine her parents's joy and immense surprise when they found Boo back in her room happy, unharmed, and not traumatized. Still, they'd probably be confused by the lack of evidence of a break-in.

Mike and Sulley possible name references
Is there any Word of God as to Mike and Sulley being named after "Mike" (Quinn) and Sully from Dr. Quinn, Medicine Woman? I haven't been able to find anything on it (granted, I didn't look very hard), but for some reason it seems to strike me as a reference more than a coincidence.

Stinky deodorant
In the monster universe the monsters do not appear to scare by using tactics regarding hygiene. They seem quite clean and tidy (there is a scene in which Sulley brushes his teeth). However, the one moment that does not fit with this profile is the locker room scene, in which Mike and Sulley mention several deodorant "aromas", all of typically foul smells. For a society that appears to be quite clean, the filthy deodorants seem somewhat out of place.
  • Nothing says something that smells nasty can't be actually clean.
  • It's the Monsters' equivalent of the durian. It smells like a rotten onion, but a lot of people love it with an undying passion. It's also really healthy to eat.
    • A sequel comic made a joke about monsters smelling like flowers when they get sweaty. They just have different opinions on what smells good.
  • They should have had durian cologne, that would have been cool.
  • I really thought this had already been asked earlier...The answer I remember liking was that it's all part of keeping their image "scary" - a monster with sharp, gleaming fangs is surely much more frightening than one with dirty, rotten ones (or none at all), hence why Sulley brushes his teeth to keep them shiny and clean.
  • Still, Boo didn't seem to have any problems despite the garbage smelling monsters all around her.

What's Randall's problem in the bathroom?
So Randall goes to the bathroom, and hears someone else is in there too, perhaps taking a dump. Does this really warrant busting open each stall? Sure he was talking about what happened in the sushi bar yesterday, but surely everyone in the building is talking about it, it's nothing suspicious to be talking about. Why is he so certain that who ever's in the bathroom is here to spy on him?
  • He didn't just talk about the incident. He mentioned he was involved in it, saying he was looking for Boo after she escaped, and mentioned a "machine". He wouldn't want anyone to hear that.

Why was Randall "jobless"?
We saw earlier that when a child wasn't frightened anymore, their door simply got destroyed and the monster would move on to other kids. So why did Sulley tell Randall he was jobless because Boo wasn't scared of him anymore?
  • Because he was being poetic, not stating Randall's literal job security.
  • Randall was said to be "Boo's monster," which probably means that she's more susceptible to being scared by him than by another monster like Sully, and so Randall visits her room and scares her on a regular basis. (My guess is that she's afraid of lizards or snakes.) If she overcame her fear enough to climb onto his back and give him a complete beatdown, that pretty much means he's lost a lot of his efficiency as a scarer.
  • Also, they were planning to chuck him through a door and exile him as punishment for what he'd done / revenge for what he'd done to them, meaning he was going to be jobless in a very real and practical sense once they'd finished with him. Sulley was gloating, basically.

How is Mike familiar with Greek Mythology?
When coming up with ideas for how to get rid of Boo, he declares a giant wooden horse to be too Greek. Considering how fearful of anything human-related monsters are, they shouldn't have ever come into contact with books detailing mythology. And if monsters are aware of mythology (presumably from participating in it), then shouldn't the fact that they were able to interact with humans in the distant past without being poisoned tip them off that humans aren't toxic?
  • Well, a lot of monsters were slain by the heroes of Greek mythology, so that may have led to the belief that humans were deadly and that avoidance was necessary to ensure survival. As the years went by and monsters became more and more distant from humans, the exact means through which humans were seen as deadly were forgotten, so monsters just came to view them as being toxic to the touch.
  • Key words there being "distant past". There's a lot about ancient Greece we humans have forgotten and lost knowledge of, and we don't live in a completely different dimension from it. The monsters may have a rudimentary knowledge of human history — they interact with the human world quite a lot, after all, so some knowledge is likely to bleed through. No one ever says that human books are poisonous.
  • Also, Rule of Funny. It was a joke.
  • Humanity has had concept of monsters since, well, ancient times — where do you think it came from? Monsters have probably been visiting the human world since well before the days of Ancient Greece.

Randall will never be as good as Sulley?
When Waternoose claims Sulley will always be better than Randall, is that supposed to be just a random insult that happened to hit really hard, or is it supposed to be true? If it's the latter, why? Both of them seem pretty equal. Sully's bigger and can roar better, but Randall has the Invisibility going for him. They're close enough to each other in competing for the scare record that Randall's able to briefly pass him before he gets a boost from something that seems to be pretty rare and random (considering he has to explain it afterwards). What's Sulley's advantage here?
  • It could be some lingering favouritism. Waternoose was still Sulley's mentor and they were amiable at the beginning of the film. Sentimentality would likely have played a part. Considering in Monsters University, the fact that Sulley had to work from the bottom of the corporate ladder to get to where he was at the time of the film showed how hard Sulley had to work and he was still the scare leader. Objectively, that's super impressive in most people's books.
  • Plus, Randall's an arrogant jerk and Waternoose, although he's willing to work with him, clearly doesn't like him very much. He's trying to cut Randall down a peg or two.
  • Waternoose knew the scream extractor was a gamble because it probability wouldn't work. Top scarers like Sully are still effective in scream collecting. It would be a double whammy for Waternoose to have to banish number one for discovering a scream collecting technique that might not even fly.
  • As mentioned above, Randall specifically targeted Boo. Picking a specific victim to scare, rather than being able to manage scaring more/different people, is a definite disadvantage.

Why is every monster a comedian at the end?
Surely they all were educated in the scaring business or something akin to it, as revealed in Monsters University. So why is it that almost all the monsters who had their jobs as scarers, and the assistants, display a comical trait in the job they got later? Surely not all monsters who worked as former scarers and assistants have the comical talent which is required, unless this is an extremely rare case were all are funny people.
  • We only see one Scare Floor, namely, Sulley's and Mike's Scare Floor F, make the Laugh adjustment. Whether it can be said for the other Scare Floor is ambiguous. It's possible that Sulley and Mike advocated for the Laugh transition to a few Scare Floors enough to raise Energy production. Maybe Mike did coach them all as a way to help them adjust.
  • It is not hard to make a small child laugh. You don't need to be a comedian. You just need to eat a lot of beans or get hit in the junk (or anywhere).
  • Moreover, we're told that laughter is 10 times more powerful than the screams they were collecting before. So you wouldn't need to be a master comedian in order to fill your quota for the day, just do something that'll get a giggle out of the kids, and you're good.

How was she able to climb up Randall's back without him noticing? He should feel her long before she gets far enough to grab his fronds, shouldn't he?
  • Perhaps he was too busy stomping on Sulley's fingers to notice?
  • In case you didn't notice during the beginning of the film, sneaking around and getting on peoples' backs without them noticing is kind of Boo's thing.

How do they get doors out of the vault?
When Sulley and Mike get Boo to laugh in order to activate all the doors in the vault, we get a shot of a pretty sizable number of them. They all appear to be hanging from those...things they all hang from, but there don't seem to be any tracks connecting the shelves where the doors are stored to the Scare Floors. How do they get them out of the vault?
  • Presumably, they have a switching system similar to a railroad yard. Whenever they wanted to get a door out, they'd just change tracks for the doors to ride on, except they'd lift and shift the right tracks to get access to the right door. The guys in charge would also get the doors that were out in front first, scheduling it so each door behind it could be sorted out later.

All of the rooms are empty?
How likely is it that all of the bedrooms Mike, Sulley, Randall, and Boo travel through during the chase through the door vault just happen to be completely vacant? They visit parts of the world ranging from Japan to Hawaii to Paris, France...There's even an instance where they leave a door open behind them after having gone through it. How is it that no one around the world ever sees them?
  • Well, the doors in Paris and Hawaii all seemed to take place during the day, maybe the kids were at school. The Japan door seemed to take place later though. The door where Boo attack Randall in seemed to be nighttime however and there were no kids to be seen in that room. Maybe they just got lucky?
    • What I actually wonder is how Sully, Mike, Boo, and Randall managed to run around in Hawaii, Japan, and France while looking for another door without being seen by humans (assuming they even tried not to be seen).
      • Maybe they were seen, but people just dismissed it as something mundane. I mean, if you suddenly see a lizard, a green ball and a blue...whatever Sully is zip past you, would you think that you just saw a bunch of monsters, or some guys in costumes or pajamas?
  • Plus, Randall has his camouflaging powers.

Wouldn't Randall have spotted the trio in the bathroom easily? I know he wasn't looking in their direction, but wouldn't he have seen their faces in the bathroom mirror?
  • Monsters University tells us that Randall has bad eyesight without his glasses, which he never wears, and he was also looking to the side when he knocked the stall open.

Why would Sulley work for Randall?
When Randall tries to intimidate Mike into telling him where Boo is, he brags that when he's finished revolutionising the scaring industry, "even the great James P. Sullivan will be working for me!" Wait, why? Wouldn't the scream extractor result in mass unemployment for now-obsolete scarers, not people being forced to work for Randall? Randall himself later says that with the machine, they don't need scarers, so what's up with that earlier statement?
  • Because he's just making a boast and not a point-for-point outline of his literal plans and expectations.
    • Actually, Randall really was planning to fully recreate the Monsters, Inc. company, basing it around the usage of many scream extractors on kidnapped children in order to eliminate the scream shortage. Thus, he was imagining Sulley being forced to work there under his command. After all, why would Randall develop just one of them? A single scream extractor wouldn't be effective in the slightest up against the complex machinery already used to extract scream. He wanted to show Mr. Waternoose that his invention would go on to revolutionize the scaring industry if it were transformed into a major business. This means he was planning for the manufacture of thousands more scream extractors that would replace the door stations. He didn't want to make his fellow employees jobless, he wanted to convert them. Specifically, the scarers would be converted into child kidnappers and scream extractor operators, Sulley included.
    • Plus, he's precisely the kind of jerk who'd hire a previously superior rival and have him fill some kind of subservient menial drudgery role purely out of spite. Assuming Sully wants to keep a roof over his head, he might not really have the choice.
    • Even if the Evil Plan worked to the point Monsters, Inc. would no longer need scarers to generate energy, they would still be needed to keep the rest of the world from wondering how the company is supplying energy. The scarers would keep doing their Jobs without suspecting anything. Waternoose might even hire a whole floor of pseudo-scarers to falsely claim to have generated the extra energy and tell them it's just to keep competitors from finding out how they do it for real.
      • Waternoose DID hire a scare team that has yet to pass simulation testing. He may have been planning on using them to cover for the sudden scream boost.
    • Randall might be contemplating that if the scream extractor passes its testings, he'll get a promotion in upper management. So technically Sully would still be working for him.

Why don't you involve Sulley
  • If Waternoose and Sulley are supposed to be all buddy-buddy with each other, why didn't he ask for his help with Randall's plan? Surely it'd have been better for him to work with someone he knew and liked as opposed to a slimeball like Randall, and he didn't have any way of knowing whether Sulley wouldn't want to go along with it, really.
    • He knows the type of guy Sully is. And Sully is not the kind of person who's going to be okay with kidnapping anything to basically torture forever.
      • Exactly. Even before Sulley realized that Boo wasn't toxic and was deathly afraid of her, he never actually tries to hurt her. In the first scene when he nervously picks her up, he's actually pretty gentle, and places her on the bed (as opposed to just throwing her or something.) He reacts to her the way a human might react to, say, a poisonous animal like a scorpian or a snake. And most people are fairly uncomfortable with the idea of animals getting tortured.

The slumber party.
So, the thing about scaring is that the one child is the only one who sees the monster. That way when the parents come in to check, they'll assume that it was the child's imagination. But what about the slumber party that Sulley scared? It's one thing when it's just one child who claims to have seen the monster...but what about multiple children who all describe the exact same monster? Wouldn't that get the parents suspicious?
  • Yes. Suspicious that someone had slipped them drugs, or they're all playing a prank on the parents. What, do you think the parents are going to jump to the conclusion that the — clearly empty — closet is an interdimensional portal?
    • The prank thing is unlikely if the children look seriously terrified, like Boo was later in the film. Unless they're all really good actors.
    • Monsters are shown to be really talented when it comes to hiding themselves amongst common objects in a child's room, so maybe the parents would convince themselves that they were just getting worked up over a giant stuffed animal, or something. Or maybe that they all had a really scary dream. Or if the kids insisted that they really saw something there and refused to let it go, maybe the parents would call the police or something to have them investigate and see if there was evidence of a break-in...which, sure, is disruptive to their lives, but it still wouldn't intrude upon the monster world, and in the end, there'd be no harm done. (Aside from the probably-traumatized kids, which is arguably the whole point of the movie, anyway.)
  • "Yes, yes, you all saw a monster, that's nice, now be quiet and go to sleep or I'll call your parents to collect you. It's bedtime."
    • Or: "What's that? You all saw a monster come out of the closet? Well, let me just have a good look in there... nope. Nothing in there. See? Everything's all okay. Now you kids go to bed and get some sleep."
  • A very real part of most slumber parties is all the attendants trying to make a monster appear or trying to re-enact some creepy urban legend. The parents would most likely know this and chalk it up to the shared hysteria a group of kids bring about in a group when they want to be scared.

Why do they continue looking after her?
  • Early on, why do Mike and Sulley go to such lengths to keep Boo a secret? Mike doesn't see her as anything but a nuisance, and potentially a danger, until much later on, and even Sulley took some time to warm up to her. We know from the ending that the CDA didn't want to do anything to hurt her, even if Mike and Sulley had cared - why didn't they just hand her over to them or leave her inside the sushi restaurant when they showed up?
    • We know from the ending that the CDA didn't want to hurt her. The characters don't know that until then either. Also, Mike and Sulley turning in the kid would be admitting that Mike and Sulley had the kid, which could be a complete career killer for the both of them.
    • Career-ending, if not potentially going to prison for it. On top of that, Sulley's chief concern from the beginning was to find a way to send her back home. It's more likely that the CDA might have euthanized her rather than attempting to send her back.

How did Mike get back to the Monster World so fast?
  • We never really get an explanation on how Mike got home, so how did he get home so quickly?
    • He may've just built another sled. Considering how much smaller he was, his wouldn't have needed to have been as large as Sulley's, so he could've built one using the materials that were left over after Sulley left. He had enough time to make it back while Sulley made his way to the secret lab, saved Boo, and initiated the fight with Randall.

How would Randall and Waternoose have gotten away with their plot even if Sulley and Mike hadn't stopped them?
  • They'd have to explain where the sudden surplus of scream energy is coming from somehow. The public (and the CDA, who was already leading a covert investigation) aren't going to believe that the scarers were able to increase their scream output tenfold and solve the energy crisis by themselves.
    • I don't think that they knew at the time that the CDA was investigating them, since Roz specifically mentions she was working undercover. Looking past that, the commercial shown at the beginning mentions that the company was looking at alternative scare methods and scream technology - if their plan to extract the screams from Boo and other children were to go through, they could cover it up easily by claiming to have made a breakthrough with one of their other alternatives. (Which was probably the whole reason for the commercial.)
    • Technically, the claim that they were using "alternative scare methods and scream technology" would be entirely true. They'd just be leaving some important details out.

Why is kidnapping children so bad?
  • This is the one bit of the movie that doesn't make sense to me. Kidnapping kids is only bad if you care about the kids (as Mike and Sulley do). The rest of the monster world still thinks they're dangerous. So why is Waternoose's "I'll kidnap a thousand children before I let this company die!" so bad? Wouldn't the scariest part of that sentence (for a monster) be "and I'll silence anyone who gets in my way"?
    • Even if they believe human children to be toxic, the monsters still seem to be aware of the fact that they all have their own lives and families, in their own world, and a few of them seem to know that they have awareness. Think of it like this - if there were a moderately intelligent and self-aware animal that happened to be toxic to humans, but wasn't really out to get us, most people would still be uncomfortable with the idea of someone taking that animal away from its natural habitat and submitting it to feats of torture, for any reason. The fact that it's just to get more of a resource the monsters can already collect on their own is just salt in the wound.
    • That sentence is also Waternoose's confession that he conspired to bring what most monsters believe to be a highly toxic and dangerous creature into their home without any sort of authorization. So he could end up being tried for monster endangerment, as well.
    • The monsters are not... well, monsters. They fear children, but that does not mean they believe that children should be subject to horrific torture.

What happens if a door is destroyed while it's open?
Say, in the case of a door falling from a great height (like during the climax) and breaking apart while it's open.
  • The connection is probably severed instantly.

Why did Randall reveal his evil plan to Mike and by proxy, Sully?
Seriously, if he'd just kept his mouth shut the duo would still think Randall was just trying to cheat on the board and not have known about the scream extractor.
  • 1.) Randall didn't know Sulley was listening in as he spoke about his plans to Mike. 2.) Now that Randall had just kidnapped him, and was apparently planning on doing the same to human children, Mike would've went to Waternoose even if he hadn't known about the Scream Extractor. 3.) Randall also plainly has it out for Mike and Sulley due to his inability to outperform them (made more obvious after the events of Monsters University), so now's the perfect chance for him to test out his new machine and then do away with a competitor once it's over.
Why is banishment a thing?
  • It's a goal of monster society to keep their world's existence a secret from humans. So then, why do they deal with rogue monsters by throwing them out into the human world, where they could communicate with or be discovered by humans? The door Mike and Sulley were banished through was a short distance away from a village, and the sequel tells us (though this admittedly may've been a joke) that you can be banished just for tampering with the mail.
    • My guess is that it's because of the myth about human children being toxic. The idea of even getting close to a human, let alone talking to one, is anathema to nearly every monster we see; it's been said that "the slightest touch could kill you" for centuries. And even if the Loch Ness Monster, Bigfoot, or the Abominable Snowman were to somehow able to sneak past humans and find a working closet, they'd likely be ostracized from the monster community or even killed. A single sock was enough to shut down an entire scare floor, and Boo being in a restaurant for about five minutes results in a gigantic laser bomb of some kind (likely a disinfectant) being detonated over a five-block radius, and the original script had a nuke destroying the place instead. Now imagine a monster who'd been in contact with human society for decades...
    • Also, just because the humans automatically see a monster doesn't mean that they're going to find out about their world. Plus, maybe some of the monsters are really good at camouflage like Randall is? In addition, perhaps like the Loch Ness Monster, Bigfoot, and the Abominable Snowman, monsters who get banished and spotted by humans are considered myths? Who knows, maybe the Fearsome Critters of lumberjack lore were originally from Monstropolis...
    • Also, it's not like the monsters being banished to the middle of New York City or London. All those examples tend to be dumped in fairly remote and inaccessible spots even for humans.

Why would Boo have flowers painted on the inside of her closet door, while the outside is blank?
  • The monsters might have added them as a form of identification. Another plain white door? Gotta do something to make it easier on themselves.
    • Actually, the design on the monster-side (inside of the closet, technically) is identical to the outside on the human side.
  • This troper has kids. Kids often want to draw, paint and put stickers on *everything*. Open door? Just another canvas for a creative child.
    • Absolutely. Kids want to decorate everything, parents don't want ugly door, compromise by letting kid go crazy on the inside of the door.

Roz ignoring Mike
  • The entire scene where Mike tries to get the key to Boo's door from Roz doesn't make any sense to me; why does she turn him down immediately just for not filing his paperwork when she's supposed to be head of the CDA? Even if she doesn't instantly suspect Mike and Sulley of having the child with them, there's a picture of Boo in her file that could be matched easily to the one in the newspaper, and if Roz knew that Randall had her file the previous night, the conclusion to that is that he was the reason Boo got into the monster world. So why not take Mike into her office and interrogate him about what he knows or something?
    • Roz didn't want to blow her cover, especially to someone with a big mouth like Mike. He would have likely blown the whole operation and alerted the conspirators that the CDA was on to them. Besides, she had no way of knowing if HE was one of the conspirators (and given his lack of effort into filing his paperwork, she had plenty of reason to think he was blowing it off so he could partake in said conspiracy).

Do they think adults are toxic too?
  • Why do they think human children specifically are toxic? Do they think adults are too but it isn't as much of a problem since they only go into kids' rooms? And if they think only kids are toxic, when does it stop according to them? At 18? At 25? At 13? When puberty starts?
    • It stops when kids aren't afraid of them anymore. In the door-shredding scene at the beginning, they shred the door of a six-year old girl. I would wager they think all humans are toxic, but their business is based around children, so why would they have to deal with adults?
    • According to Monsters University, yes, they think all humans are toxic. It's just children are the only ones pursued since they're far easier to scare. Adults and teens won't scare easily.

Boo's last name
  • So Boo's first name is canonically Mary, same as her voice actress, because she can write her name. But why does everyone think her last name is Gibbs, same as the actress? Was there any evidence of a last name?
    • Because there's no evidence against it being her last name, and their first names are already the same.
    • Boo's card-key is seen up close briefly in the film, and reads "Gibbs, Mary".

How old is Boo?
  • She has the drawing skills of a three-year-old, is potty trained, and looks and acts two, but she speaks like an eighteen-month-old?! And it can't be because monsters have a different language than humans, as Boo says, "Kitty".
    • Two, maybe three at most. It's possible she might also have a learning disability (maybe autism or Aspergers of some kind), since said skills are more developed than usual.


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