Swap is excitable, loving, and enjoys making tacos for his friends. He calls himself "The Sansational Sans" and "The Supreme Sans". Swap likes to make tacos and burritos and likes to say "MWEH HEH HEH.” he also likes riddles instead of puzzles. He enjoys making puns and pranks. Swap enjoys collecting sci-fi figurines and spaceships (as well as other snippets). He’s the older brother of Papyrus, Papyrus being very lazy and laid-back compared to Swap. Papyrus doesn’t like puns and is smart.