#normal info

Yandere Variant!UnderTale Sans Bitty

Name: Ribs

Size: 7-9 Inches Tall (Mini), 3-4 Feet Tall (FulIsized), 6-7 Feet Tall (Bara)

Personality: Relaxed, Jokester, Possessive, Jealous

Likes: Naps, Affection, Jokes and Puns

Dislikes: Thievery, Physical Activity, Chores

Compatibility: Ribs bitties may seem to be very similar to other Classic!Sans types, with the way they act being no different than other variants. However, when given enough time with a person or another bitty, their true colors start to show.

They view anyone else interacting with their beloved(s) as someone who is stealing from them. And they react very harshly to people who steal them from. Whether it be another bitty, or even their owner at times, Ribs bitties have been known to harm and attack others out of impulse when seeing them as a thief. In some harsh cases, there have even been deaths caused by Ribs bitties.

However, if you know how to properly socialize and interact with Ribs bitties, they can act like any other Classic!Sans types. they may need therapy, or in some extreme cases may need to be hospitalized in a psych ward, but there is hope for Ribs bitties to be integrated into your family. It’s recommended that you exercise caution when adopting, and do a lot of research beforehand.

Feeding habits: They don’t mind sharing food with others— especially their beloved(s)!

Additional info: Ribs bitties are not recommended if you only want the aesthetic of being obsessed over. Cases where people adopt for reasons like those almost always end in serious trauma, harm, or even death.

Zone: Inside,

In Universe: Ribs are often regardless as dangerous, and often get adopted for ulterior motives.

Yandere Variant!UnderSwap Sans Bitty

Name: Scratch

Size: 7-9 Inches Tall (Mini), 3-4 Feet Tall (FulIsized), 6-7 Feet Tall (Bara)

Personality: Energetic, Friendly, Hard-working, Possessive, Jealous

Likes: Being Helpful, Exercising, Socializing, Playing

Dislikes: Thievery, Being Ignored, Being Alone, Being Inside for too long

Compatibility: Scratch bitties are hard to tell apart from other Swap!Sans types at first. Despite being slightly more energetic and persistent, they tend to act very similarly to other bitties of their type. That is, until growing close enough to someone.

When around their beloved(s), they’ll try their hardest to appear super cool and make them swoon. But, as time goes on, their approaches will become more and more direct, to the point where they can seem a little creepy at times. These bitties are persistent when pursuing their beloved(s), and will come to the point where they’ll even hurt themselves in order to impress them.

When seeing someone else interact with their beloved(s), Scratch bitties will often grow jealous and angry towards the person they view as “stealing” their beloved(s). They’ll start actively plotting to hurt the person, or they’ll plot a way to get their beloved(s) away from that person. These bitties are very likely to spiral into obsession if not given the proper treatment.

Scratch bitties are capable of being owned safely, though. An owner who is experienced with bitties and has done a lot of research can integrate them into their homes after therapy, or hospitalization if the bitty is disturbed enough. It’s very recommended that you exercise caution when adopting.

Feeding habits: Scratch bitties will often share food with others, especially their beloved(s).

Additional info: Scratch bitties are not recommended if you only want the aesthetic of being obsessed over. Cases where people adopt for reasons like those almost always end in serious trauma, harm, or even death.

Zone: Inside,

In Universe: Scratch bitties are often adopted for the wrong reasons, leading to them being a fairly common cause of harm among people. As such, people tend to avoid them.

Normal UnderFell Gaster bitty

Name: Spikemouth

Size: 8 - 10 inches tall(mini), 3 - 4 feet tall(fullsize)

Personality: Hot-headed, stubborn, temperamental, tsundere, bossy,

Likes: Having their own space, “killing” their toys, soft things,

Dislikes: Mean/rude/aggressive bitties/people, being ignored, being left alone,

Compatibility: They will often ‘wonder’ into the same room as their owner or other housemates,

They need affection or can get very depressed, but often don’t show it,

They often get triggered by loud noises,

When they decide something they can be very stubborn about it but will often admit they are wrong if they are,

They need a place to themselves, like a bed box or a room, they will be very territorial over their area and wont let anyone in they don't like, though they rarely say who these people are, you will just get bit less!

They can and will bite other bitties and people! They are known for leaving some nasty looking scars on people/bitty they don't like, but rarely break skin on those they do, despite their sharp teeth,

Feeding habits: They are not very picky, but hate having to ask for food, so its recommended that they are given easy access to snacks or are given food on a proper schedule, with maybe a bit of extra food for leftovers so they can snack on it later,

Additional info: They may never say it but they sometimes have trouble being away from their owners/housemates, not liking being completely alone all the time,

Zone: Inside,

In Universe: They are seen as a pretty easy bitty to care for as they mainly take care of themselves but their tsendere nature may be difficult to manage for a first time owner,

Normal UnderFell Papyrus bitty

Name: Boss

Size: 9 - 11 inches tall(mini), 3'6 - 4'6 feet tall(fullsize)

Personality: Bossy, stubborn, territorial, temperamental, protective,

Likes: Being the protector, puzzles, being listened to,

Dislikes: Bad food, rude/mean/aggressive people/bitties, being ignored/excluded,

Compatibility: They like to be able to patrol the perimeter of your ‘territory’, but will just patrol your house if you prefer,

They like to be able to set traps as well, though its best to to not let them trap the house, seeing as the traps can hurt other bitties,

They can be very bossy! Some have been recorded as being able to keep a group of Killer types in line!

They can be very protective/jealous of new bitties with their owners, though they often then become protective of any new bitties along with their owners/housemates,

They will mainly care for themselves, and prefer it that way, they hate having to rely on anyone else to care for them and so need access to food and activities/entertainment, or they will find a way to get it themselves,

Feeding habits: They are not super picky as long as they deem the food good, though if they don’t they will refuse to eat it,

Additional info: These bitties get so much worse when they are a Merlot variant, and often need to go through therapy to help them calm down a bit, though they never get along with other bossy bitties, while normal Boss bitties can at least co-exist if handled correctly!

Zone: Inside,

In Universe: They are seen as a relitivly easy bitty to care for, seeing as they mainly take care for themselves, but their protective and jealous nature can be a little much for first time owners,

Normal UnderFell Sans bitty

Name: Redrum

Size: 7 - 9 inches tall(mini), 2'6 - 3'6 feet tall(fullsize)

Personality: Temperamental, stubborn, territorial, tsundere,

Likes: Soft things, affection, having their own space,

Dislikes: Rude/mean/aggressive people/bitties, being ignored/excluded, having to say when they want somthing,

Compatibility: They need a place to themselves, like a bed box or a room, they will be very territorial over their area and wont let anyone in they don't like, though they rarely say who these people are, you will just get bit less!

They can and will bite other bitties and people! They are known for leaving some nasty looking scars on people/bitty they don't like, but rarely break skin on those they do, despite their sharp teeth,

They will often ‘wonder’ into the same room as their owner or other housemates,

They need affection or can get very depressed, but often don’t show it,

They are very loyal, and when they are 100% sure they can trust you they can be very blunt, saying when they want affection and can sometimes get clingy, but they rarely say it outright and often demand to be given affection,

Feeding habits: Redrum's are not very picky but hate anyone else being around their food! They can and will fight over food if they are hungry though, so it's recommended to give them access to some snacks!

Additional info: They may not say it at first but they sometimes have trouble being away from their owners/housemates, not liking being completely alone all the time,

Zone: Inside,

In Universe: They are seen as aggressive and dangerous,

‘Normal’ bitties are like the original bittybones! Smaller versions of the undertale(and au) characters! So these guys dont have any special fetures aside from the ones from their au!

The ‘normal’ part of them is mostly for classification purposes and to make them easier to find in the in tags!

Sans =

UnderFell - Redrum

SwapFell - Nox

Yandere variant Tale sans - Ribs

Yandere variant Fell sans - Tooth

Yandere variant Swap sans - Scratch

Purebite variant Tale sans - Breakjaw

FellSwap - Lord

HorrorTale - Wren

Papyrus =

UnderFell - Boss

SwapFell - Rus

Purebite variant Tale paps - Skullcrusher

FellSwap - Mutt

HorrorTale - Sparrow

Gaster =

UnderFell - Spikemouth

SwapFell - Black

FellSwap - Bloodberry

HorrorTale - Robin

Monster kid =

Undyne =

Alphys =

Asgore =

Toriel =

Asriel =

Mettaton =

Napstablook =

Grillby =

Muffet =

Muffin =

Frisk =

Chara =

Nice cream guy =

Burger pants =

Gonner kid =

Hypergod =