intelligent,large vocabulary,Is the leader of the bad sanses which is made up of himself, Killer sans, Horror sans, and Dust sans.He is able to use his tendrils on his back as weapons. Was bullied when younger then his bullie tried to kill him and instead he killed them after eating the negativity apple becoming the embodiment of negativity and killing them with his tendrils. His brother is Dream sans and both himself and dream are 523 years old. Fears the fangirls and fannon. Pessimistic,formal