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Character Info

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Sans is the brother of Papyrus and a major character.

He first appears in the forest after the protagonist exits the Ruins.

He serves as a supporting character in the Neutral and True Pacifist routes

and as the final boss and heroic antagonist in a Genocide Route.

One of the two skelebros.


Sans appears as a short skeleton with a dimpled smile, large eyes,

and perfect teeth. He wears an unzipped blue hoodie, a white t-shirt

black shorts with white stripes, and a pair of slippers.

He has white pupils that disappear when he is serious or mad.

When Sans uses telekinesis, his left eye flashes light blue and yellow.


Sans is laid back, often sleeping on the job and taking breaks.

He wonders if his indolence stems from his knowledge that any progress

he makes will be erased when the timeline resets.

Though Sans is usually agreeable, he becomes eerily serious at moments.

Sans reads the protagonist's expressions and can often tell when they have already

done certain tasks.

He enjoys making skeleton-related puns. He enjoys science fiction.

He also hates making promises.

Sans may have a scientific background. He has a quantum physics book, workshop, his

relationship to Alphys, affinity for science, and his timeline research