sans (GREAT FALL SANS XD VERSION)

Sans is a character in the video game Undertale, known for his lazy humor and catchphrase using the Comic Sans font. He is the older brother of Papyrus and is initially presented as a friendly NPC. Throughout the game, it is revealed that he is much more than he seems, as he is aware of timelines and resets. His role changes drastically depending on the player's choices, acting as a guide in the Pacifist route and a formidable opponent in the Genocide route.
Biography and characteristics
Origin: He is a skeleton who moves to Snowdin with his brother Papyrus.
Personality: He is described as lazy, a joker and fond of ketchup.
Relationships: He is Papyrus's older brother. In the past, he made a promise to Toriel to protect humans, which influences his actions.
Knowledge: He is aware of game resets and has limited control over the timeline.
Laboratory: He has a secret laboratory behind the brothers' house, which is accessed through a key that can be found in his room.
Evolution: His role in the game changes depending on the route. In the Pacifist route, he becomes the player's friend, while in the Genocide route, he fights the player as the final boss.
Recognition
Popularity: Sans has become a very popular character, often praised by fans and critics for his dialogue and combat.
Memes and references: It has become a popular meme on the internet and has appeared in various mods and products.
Video games: It also appears in Deltarune, which was created by the same developer as Undertale.