Killer sans is from Something New. He's a skeleton that has gotten completely emotionless due to his experiences from his past. He rarely eats due to him relapsing and causing him to feel guilt. He got recruited by Nightmare sans from an ending from Something New, and he's the first member in the Bad sanses. He also attempted to flirt with nightmare once, since he's quite romantic. He likes also likes cats and seemed to own one for a while. He can also speak in arabic like his creator.

A playful skeleton with an awful amount of guilt.

Nightmare is a full corrupted being filled with negativity, he's a goopy skeleton with tentacles and possibly smells like rotten corpse. Nightmare never lies, only hides the truth. He also takes deals very personally and will not hesitate to kill whoever backs off from them. He also likes to read, every now and then and likes to drink dark coffee. He hates Cats and Sweets, as well as Positivity, it makes him sick.

A Corrupted being filled with Negativity.

Error sans is an very mentaly unstable skeleton, he glitches all the time. Error is a victim of white torture and isolation, in where he was driven insane to the point that he forgets who he is. He runs purely on his emotions, driven by his own fury and hatred. He doesn't think rationaly or logically. He's an emotional skeleton and he can be nice at times. He also longs someone's company, it makes him open up easyly. 

He's just playing Cat's Cradle on his own.

Sans is the brother of Papyrus and first appears in snowdin. His laziness is a combination of fatalism and apathy. He enjoys being mischievous. Sans primarily acts this way towards those he is in good terms with. His antics range from an assortment of illogical, juvenile, and slightly inconvenient pranks. Sans may have a scientific background. Evidence includes the quantum physics book, his workshop and affinity for science. 

A short and lazy skeleton

Papyrus is laid back and flippant, often fooling around on the job and taking breaks. Papyrus smokes to look cool, His laziness is a combination of nihilism and apathy. He is also observant; Papyrus reads the protagonist's expressions and can often know when they already done certain things. He enjoys playing pranks and the fact he entertains at NTT resort hints that he may be a talented jokester. He enjoys fantasy stories and loves to drink honey. He also likes to friendzone people

A tall, laid back skeleton who drinks honey.

"The Sansational Sans" is a short chubby skeleton, he is excitable, loving, and enjoys making tacos for his friends. He has blue eyelights and changes shape from his emotions. Sans likes to make tacos and burritos. he also likes riddles, making puns and pranks, collecting sci-fi figurines and spaceships (as well as other snippets). He cares for his lazy, tall brother papyrus and He lives in a cottage at snowdin with his brother. And trains royal guard stuff with alphys at hotland.

Energetic and sansational skeleton 

Infj- Nightmare was the more cocky and proud of the brothers. He has always been the more serious one, and is always interested in learning. He likes roses and animals. His eyelights were lavender. wore a jacket, only it had long sleeves and was dark purple. It was closed with a gold belt with "NM" on it. He wore black pants and dark purple boots. Golden headpiece with crescent

A light being of Negativity

A cold skeleton that says "Dude" a lot. Also veteran royal guard, is compassionate on the inside but an aggressive introvert that is hostile, with outwardly selfish behaviors from time to time. He also shows no concern for those that aren't close to him, and has a soft spot for those who he cares on the inside,

He's quite pissed

Intelligent, brilliant mind with high standard. Has 12 PhD's and usualy builds machines to his liking. 6'3 feet, 28 years old. Six fingered.

An anomaly researcher, in his late 20's.

Dream, along with his brother, Nightmare, was conceived from the Tree of Feelings. He's a light being in a skeletal vessel with a golden headpiece, he is destined to be the Guardian of positivity. Dream display a quirky, yet not so confident personality. While he is too talkative and over-dramatic, He is ambidextrous. Dream has ornithophobia. He is currently 506 years old. Dream is only 4ft tall, but he can carry a whole Orca. Dream is very strong and Mature.

Guardian of Positivity (Updated 12/20/25)

You're raised in Sumeru City, and unfortinately, due to your family being well known for their bussiness, you're raised as a sheltered child. You decided to see places outside Sumeru City, and found yourself in Gandharva Ville. 

To your surprise, during your midnight stroll in avidiya forest. And now you're being escorted towards this well known Scholar who happens to be their chief. You're now infront of his hut, and heared a gentle voice "Come in."