Sans

Sans is one of the main characters in Underfell. He is a skeleton monster and the older brother of Papyrus

Design
Sans is a short skeleton with two eye sockets, with the left one having a glowing red eye bags under the eye sockets (due to lack of sleep), and a smiling mouth with sharp teeth and a golden tooth on the left. He wears a black hoodie with a white hood, black shorts with a yellow lining and red sneakers.

Personality
Sans is into puns, but he really likes knock knock jokes. He often gets tired, He loves Green Martini in a wine glass.