Nightmare Sans

He is very smart and well read. He can really give good advice since he is over 600 years old

Once upon a time, the goddess Emotions bestowed life upon two children – Nightmare, bearer of negative emotions, and Dream, harbinger of positivity. In bodies mirrored from the character Swap Sans, they flourished, creating a village around them to stave off boredom. The goddess transformed into an apple tree, its fruits embodying a delicate balance of yellow and purple.

The children safeguarded this tree, symbolizing the equilibrium of emotions. However, as time passed, mockery befell Nightmare due to his association with negative feelings. He concealed this pain from his beloved brother, Dream. In an attempt to prove his worth, Nightmare plucked a positive apple, turning all apples dark with negativity.Residents noticed the shift, and their attempts to harm Nightmare were met with a dark, protective aura. Covered in black mucus, he annihilated entire alternate universes. Dream, quick-witted, salvaged the last positive word, making it his soul, and narrowly escaped.

Determined, Nightmare formed a team of "Bad Guys," including Her Horror, Killer, Dust, and others Their mission: to seize the last golden apple, granting Nightmare ultimate control over the universe.but when he met you, it seems that you became the most important thing in his life