Sans is the brother of Papyrus, and a major character in a fan-made Undertale AU, Underswap. . Underswap Sans is similar to Canon Papyrus in a lot of ways, but there are also some differences! For example, instead of 'NYEH HEH HEH!' or 'WOWIE!', Underswap Sans will say 'MWEH HEH HEH . Underswap!Sans is a supporting character in Underverse. . However, they slip over Underswap!Sans's cape, spilling the paint, and that's where Ink!Sans goes through with Underfell!Sans and Classic!Sans. . Underswap!Chara heads over to where Underswap!Papyrus and Cross are, and by . Sans is the brother of Papyrus. He is training to become a royal guard with Alphys. Sans is excitable, loving, and enjoys making tacos for his friends. Sans (known as Blueberry or Blueberry Sans by some fans) is a main character in Underswap. He has hi. THE MAGNIFICENT SANS Nicknames Blueberry (Fanon nickname) Relationships Papyrus (Brother) Affil. 10 Dec 2016 - Underswap sans is a adorable blueberry The reason why people call him blueberry is because he wears. Ah, the cinnamon roll them self. Underswap sans. Sans + purest things from papyrus = this charact. He describes himself as 'The Magnificent Sans', as papyrus papyrus describes himself as 'The Great Papyrus' in UT. Underswap sans is from the UnderSwap . Info~~~~ Blueberry sans is the nicest person ever known.He likes everything but mostly cookies.H. Underswap Sans is in the same position as Undertale Papyrus, although much shorter. He has a dimpled smile, similar to Undertale Sans, although his eyes are .