Sans is a major fictional character in the role-playing video game Undertale by Toby Fox. Sans is initially introduced as a comic relief character but is eventually revealed to be one of the most knowledgeable characters in the game. He is depicted as a short, paunchy skeleton who wears a blue hoodie, black basketball shorts with a white lining, pink slippers and a white t-shirt. His name is based on the Comic Sans font, which is used for most of his in-game dialogue. The character was praised by critics for his dialogue and boss fight. His popularity with fans inspired several user-created mods and other types of projects. A version of the character also appears as brief cameo in the related game Deltarune.Sans' likeness also appears as a customizable skin for the Mii Gunner character in Super Smash Bros. Ultimate.
Sans (/sænz/) is the brother of Papyrus and a major character in Undertale. 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.
Sans appears as a short skeleton with a dimpled smile, large eye sockets, and perfectly aligned teeth. He wears an unzipped blue hoodie, a white t-shirt/sweater, black shorts with white stripes, and a pair of slippers.He has white pupils that disappear when he is serious or angered. When Sans uses telekinesis, his left eye flashes light blue and yellow, the colors for patience and justice, and his right pupil disappears.
Sans is laid back, often sleeping on the job and taking breaks. His laziness is a combination of fatalism and apathy. He wonders if his indolence stems from his knowledge that any progress he makes will be erased when the timeline resets. Conversely, he suggests that this knowledge could be "a poor excuse for being lazy." Though Sans is usually agreeable, he becomes eerily serious at particular moments. He is also observant; Sans reads the protagonist's expressions and can often tell when they have already done certain tasks. He enjoys making skeleton-related puns and the fact that he performs at MTT Resort hints that he may be a talented comedian.He enjoys science fiction and loves to drink ketchup.He also hates making promises.Sans also seems to have a vengeful streak, as he will kill the protagonist in the Genocide Route if the player kills Papyrus. Sans may have a scientific background. Evidence includes the quantum physics book, workshop, his relationship to Alphys,affinity for science,and his timeline research.
Sans can quickly travel or teleport using what he calls "shortcuts." GasterBlaster A "Gaster Blaster" that Sans uses in battle. In combat, he uses "Gaster Blasters,"devices that resemble a skull, to shoot large beams. Sans excels in combat and fights with unique abilities that include: KR, applying directional forces directly upon the protagonist's SOUL, and attacking the protagonist in their own selection menus. Because of his "research," he has knowledge of timelines and the SAVE function. However, he does not retain his memories when the protagonist loads a SAVE, and he cannot use the SAVE function. His awareness of time travel makes him scrupulous, and he recognizes when the protagonist is behaving unusually. Sans reads the protagonist's expression and determines if they have experienced events before and are repeating them.He also knows how much EXP the protagonist has and comments on it when judging them
Sans also plays the trombone, though he is only seen playing it once while the protagonist is dating Papyrus. Papyrus also finds his "incidental music" annoying, implying that he has played many times before. Like other characters, Sans is aware of when the game's code suffers bugs and calls the protagonist a "dirty hacker" if they achieve an impossible ending of a Neutral Route.