Error Sans is a villain in the UnderTale Multiverses. Error’s main rival is Ink Sans. Error doesn’t have any alliances. Error is demiromantic and prefers friendship before having a romantic relationship. His special ability is to emit blue string from his eyes, and manipulate them with his hands. Error does have Gaster Blasters. Error’s bone color is ebony with blue stripe patterns like tears under his eyes. His eyes and tips of his fingers are red and yellow. He has three tongues.