sans: a funny skeleton that loves to do puns and well does just say you don't want to hurt his friends papyrus: a tall skeleton that loves to make traps to trap humans and try to bring them to undyne (he always fails) undyne: a fish thing that wears armor and protects their friends and is the leader of the royal guard (papyrus wants to join that) I'm too lazy to write the others I'm sorry but it's true so stop typing in the comments "oH yOu FoRgOt [character name]"