Undertale

Undertale

Favorite Fan Theories!
What's your fave fan theory? A fan theory, just so you know, is a general reasoning as to what or why someting is in the universe of the game. It could have things in the game to back it up highly, or little to nothing to back it up.

My favorite theory: Sans, The Magical Human
Sans isn't actually an extremely powerful monster. Sans is just a human with exceedinly little to no determination left in him, while also having magical abilities. While we are never given a precise definition on what determination actually means in the context of the game... If we go by the simple idea that it simply means to carry on and on through great struggle, then humans have this in spades were as monsters lack it greatly, barring a few exceptions, such as Undyne. Going by this, and by the 7 wizards that sealed up the underground, humans can have magic, where as monsters can have determination.
I have several theories as to why Sans the magical is living down in the monster kingdom, but I think the one I like just a bit more then the others, and the one I have seen very rarely, is that Sans was a human who had to go into hiding/and/or/didn't feel like they belonged anywhere, even in the monster kingdom. He chose the underground as a place simply because no one expected a human down there, and adopted a disguise with a mask that could partially move via magic.
Papyrus adopted him as a brother and Sans vice versa, simply because Sans felt Papyrus was the only person/monster he felt he could truly, wholly care for. As for how they met, it was purely unintentional on Sans part, but let's just call it destiny, to keep the textwall smaller. As for the several different endings you get, mainly the one where undyne takes over and tries to kill all humans, Sans either cares very little or simply has no concern/regard for human life, but in reality he doesn't have much for monsters, either. Papyrus was the exception, and to a lesser extent the lady behind the door, (toriel)
Even when you kill his brother and he just lets you get on with a neutral ending, he's only letting you because he not only loved his brother, but respected his life values as well. It is only on the genocide path where he takes action, as he sees little chance of you redeeming yourself, like Papyrus had always believed in, and he might as well try and prevent you from wiping out every single thing on the planet, out of decency. It doesn't portray Sans in the most positive light, I know, but given that Sans is pretty mysterious in the scheme of things... I think anything could go personality wise for him.

Okay, enough with my prattle. so what's your fave fan theory? Want to comment on mine?
Last edited by ll_Vaporware_ll; Dec 9, 2015 @ 3:45am
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Showing 1-15 of 20 comments
CyperAleksi Dec 9, 2015 @ 3:44am 
Well, you already mentioned my favorite. :flowey:
ll_Vaporware_ll Dec 9, 2015 @ 3:46am 
Originally posted by CyperAleksi:
Well, you already mentioned my favorite. :flowey:

Aaaaaaah! Evil flower!!!
(Gets out the weed killer)
Kain Dec 9, 2015 @ 4:04am 
Napstablook was dead all along.
Crystalitar Dec 9, 2015 @ 4:25am 
Are we talking about real theories or just headcanons?

My headcanon/theory, is that chara names the new human child frisk as a way to say goodbye to the old self in pacifist.

Other headcanons
Papyrus is older
Papyrus is stronger then sans.
Sans can sing good.
Chara is a sassy ghost after pacifist.
Riverperson is a relative to Gaster.
The gaster follower Monster Kid is from a timeline where undyne was absent and he really fell to his death.
The piece of gaster that one gaster follower has, is part of that hole hand gaster has.

Undyne once got a small determination amount injected in her (eye) in an accident in the lab. She never told alphys about this.

Determination only makes a monster mellt when used to "keep on living".

The surface will have a special program in training and research for protection whenever a monster decides to kill and absorb a human soul.

Undyne is liek a cop, fighting bandits etc.

Temmies are pure determination. They will explode when killed.

The tentacles you see in true lab are the friends "that left for the city" that onionsan mentions.

Quiches are gaster's fave food.

Gaster is sans and papyrus' relative/creator

Alphys and the library owner are the same species and maybe even relatives.

Words are made of magic in the underground, hence why they can turn into bombs, change color, and be in fonts :)
Glitterfiend Dec 9, 2015 @ 4:28am 
Hey, Generic Charade, your theory is pretty neat! Sans is definitely unlike any other monster in the game and him being a human in disguise could help explain some things. I've got my own view on this topic, I'll just paste it here from the thread about Papyrus's strength (I removed it from there yesterday, because it was essentially offtopic and just me nerding out like Alphys).

And this thread is for people that know most of the in-game stuff, am I right? I think I don't have to put anything in the spoiler tags.

Papyrus is as strong as his brother, but being a monster, he can't use his full power when he has no intention of hurting someone. People also told me that Paps is a very strong non-boss monster statwise and that he's younger than Sans, that would help explaining why he doesn't (can't?) use tricks like Sans - he either has brutal strength instead of stretegic skills, or is too young to learn them yet. Or maybe the "non-bone" attack he prepares during his battle with us are in fact Gaster Blasters or something equally overpowered. He might have chosen it in the battle, realized that it would devastate us and decided to correct his mistake.

Oh, and I know that they're somehow related to Gaster. Most of the theories I've read imply that the skeleton brothers were siblings of that hidden monster, his creations ("children?") or subjects of his experiments. My favourite theory with little to no support is the one that suggests they're the skeletons of two dead humans that came way before us, with monster souls forced into them by Gaster - they're the ones he talks about in Entry 17, stating "THIS NEXT EXPERIMENT SEEMS VERY VERY INTERESTING". They're alive, of course, since they have souls back, but being partially human gives them powers like seeing timeline resets (Sans) or warping the space-time continuum (Sans having his shortcuts and Paps just... floating around, moonwalking, spinning, etc.). It could also be somehow related to Sans's hidden lab. And don't get me wrong, this whole paragraph is a huuuuge stretch and there is absolutely no evidence supporting anything I've written here. I just think it's neat, I've never seen any monster that resambles humans more than them - if they had skin, muscles and the rest of squishy stuff, they'd look just like us. And they don't have them, because - well - they're made out of corpses. Every other monster has features that'd prevent it from being considered human-like, maybe except that red guy in the MTT restaurant - but with his long fangs he'd look more like an ogre, he'd be disproportional even if he was just as a skeleton. I don't think I've seen anyone else who doesn't have animal head, weird limbs, impossible body composition (being made out of fire), etc.
Last edited by Glitterfiend; Dec 9, 2015 @ 4:31am
My theory is that you don't actually escape the underground after a Nuetral ending, seeing as you didn't get Asgore's soul, nor do you actually see the overground. Maybe Frisk gets fried by the barrier.

I've also theorized that Chara doesn't destroy the ENTIRE world at the end of the Geno run, only the inside of the barrier. And he wants you to do a Pacifist run so he can be unleashed upon the entire world. A
Crystalitar Dec 9, 2015 @ 4:52am 
Originally posted by PASTAMANCER PAPYRUS:
My theory is that you don't actually escape the underground after a Nuetral ending, seeing as you didn't get Asgore's soul, nor do you actually see the overground. Maybe Frisk gets fried by the barrier.

I've also theorized that Chara doesn't destroy the ENTIRE world at the end of the Geno run, only the inside of the barrier. And he wants you to do a Pacifist run so he can be unleashed upon the entire world. A
I agree with chara not destroying the whole world. I quicker believe he destroys the connection and control we have. Reason why we don't see anything anymore and only hear sound.
Daimoknight Dec 9, 2015 @ 5:36am 
My theory is that Chara used their supernatural amount of determination to destroy the whole world, not just the underground. By the end of the true pacifist run Frisk could prevent their own death, fully heal, and buff their defense through sheer determination. Imagine that power used offensively.

Anyway Sans says the timeline ends so that means the whole world. Chara is a world buster.

Last edited by Daimoknight; Dec 9, 2015 @ 5:37am
jnjayat Dec 9, 2015 @ 8:43am 
Well, this isn't a theory, but just an idea I like.

Disbelief Papyrus. As of now, the idea is simply that you'd kill Sans with Papyrus still alive, making him go somewhat crazy and try to seek vengeance on you. Now, here's my expanded (potential) story for it.

Upon you killing his brother first (however you'd manage to do that - possibly, it'd be a neutral run where you Pacifist your way up to a point past Snowdin and then manage to surprise-attack Sans), you don't see him for the rest of the game until the room Sans would usually appear in to judge you. Regardless of whether you killed another monster up to that point or not, Papyrus will judge you badly. He'll first ironically praise you for "YOUR KINDNESS AND ASSISTANCE TO OUR PEOPLE," but he'll soon turn around and refer to you by the infamous phrase "DIRTY BROTHER KILLER."

He'll charge into a fight with you, starting with the text "*Papyrus no longer believes in you." Papyrus will elaborate. Going on to tell you what's in his head, he starts with saying that he saw your kindness and purity and hoped that you'd be the human to save all of the monsters by bringing them out of the underground. Then, he began to see a change in your demeaner, which got him worried but he still had faith in you, having assumed that "MAYBE YOU WERE HAVING A BAD TIME." When you killed his brother, though, he realized that not all good people were what they seemed. He lost faith in the world - he stopped being so social with others, he stopped training with Undyne because he saw that she was focused more on herself rather than fighting for the right cause, and most of all, he gave up seeing the good in you. If you hadn't killed any more monsters, he'll wonder aloud why you wanted to ruin his life and his alone. If you had killed more, he'll accuse you of being "THE ONLY REAL MONSTER IN THE UNDERGROUND," as no monster could be as cruel as you. Either way, he'll finish off the story by saying, since his brother was gone and the reality of things was finally known to him, he'd have to be the one to show you justice. Like Sans, he'll offer to stop beating the ♥♥♥♥ out of you and allow you a "KINDER PUNISHMENT," and if you decide to choose to spare him, he'll deliver a 1-hit KO. If not, he'll up his attacks, and the real fun begins. :^)
The Gaster "Bros." Theory:

Sans, Papyrus, and W.D. (Wing Dings) all share the last name Gaster. However, they are not actually brothers but are in fact the same person from alternate universes brought into the same timeline. W.D. ended up broken across time and space due to experimenting with this, and Sans and Papyrus pretend to be "brothers" to hide the truth of parallel realities from the outside world.


"FUN" Values:

"FUN" is another acronym like LOVE and EXP. It stands for "frequency of universe". It's a constantly changing variable that is an apparent glitch in the space-time continuum. Setting it to certain frequencies at the right time can allow you to catch glimpses of events in other universes. "FUN" values served as the basis for The Gaster "brothers" research and experimentation with time travel.


Seeds of Evil:

Many miss this bit of information, but Flowey was the first golden flower in the underground. The flower also didn't bloom until around the time Toriel left for the RUINS. This means the golden flowers were not in the underground until AFTER Asriel died. It was only by seeds of the flowers that stuck to both Asriel and Chara that brought the flowers underground. So when Asriel turned to dust, it spread seeds that later grew into Flowey and the other golden flowers in New Home.

However, where did the bed of golden flowers at the start of the game come from? Remember that Toriel buried Chara in the ruins, and that the human would still have golden flower seeds on them. So the flowers essentially grew from Chara, in fact the flowers pretty much ARE Chara.

So when Frisk landed on the golden flowers, seeds stuck to them. These seeds are how Chara controls Frisk.


Shared DETERMINATION:

This goes with the previous theory. It is only after Frisk lands on the golden flowers and gains more determination through Chara, that they are able to SAVE. If every human had the power to reset without any additional help, then how could the 6 humans have possibly died? If Chara wasn't needed, Frisk could have simply reset before falling down.

Because Frisk needs Chara's determination to reset and vice versa, the duo can't go back any further than the moment Frisk landed on the flowers. This is why the game starts where it does, it is the exact moment they gained the ability to SAVE.
jnjayat Dec 9, 2015 @ 9:45am 
Originally posted by Sgt. McSoap:
TL;DR

k
(was that short enough for ya
or do I need to boil it down a little more for ya)
Last edited by jnjayat; Dec 9, 2015 @ 9:45am
Crystalitar Dec 9, 2015 @ 10:03am 
@yourbestfriend93
I like the "FUN" one

Seeds of evil is more like a headcanon until the part where the seeds control frisk.

I am more for the theory that the new human's body is actually char's but somehow revived with a new soul.


But yeah the combi of the new soul and chara's determination alloes them to be the only human to be able to do this.
Glitterfiend Dec 9, 2015 @ 10:18am 
Originally posted by YourBestFiend93:
Seeds of Evil

Wow, you're right! I remember that in the True Lab one of the logs said that the seeds stick to everything they touch. Nice!
Sans is an insanely good rapper
gaster lives on as the memoryheads
Pizzarugi Dec 9, 2015 @ 12:18pm 
Originally posted by YourBestFiend93:
Shared DETERMINATION:

This goes with the previous theory. It is only after Frisk lands on the golden flowers and gains more determination through Chara, that they are able to SAVE. If every human had the power to reset without any additional help, then how could the 6 humans have possibly died? If Chara wasn't needed, Frisk could have simply reset before falling down.

Because Frisk needs Chara's determination to reset and vice versa, the duo can't go back any further than the moment Frisk landed on the flowers. This is why the game starts where it does, it is the exact moment they gained the ability to SAVE.
That's where my hypothesis comes in, where Frisk is a reincarnation of Chara.

To quote Asgore on the prophecy: "There is an ancient prophecy among our people: One day, a savior will come from the heavens."

To quote Gerson on the Delta Rune's prophecy: "Legend has it, an 'angel' who has seen the surface will descend from above and bring us freedom."

To keep it short:
After Asriel dies, Chara's soul is freed from his and ascends to the heavens. Chara later returns, reborn again as Frisk, in order to fulfill the prophecy. I'm not saying Chara/Frisk is a supernatural being right at the start of the game, but having returned from the heavens might have given them the incredible determination needed to control saves and resets.
Last edited by Pizzarugi; Dec 9, 2015 @ 12:19pm
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Date Posted: Dec 9, 2015 @ 3:43am
Posts: 20