Sans The Skeleton, (mainly referred to as Horror Sans or Horror), is the older brother of Papyrus and apart of The Bad Guys. He’s really tall, and He has a large crack in his skull centered to the left, and his right eye is always glowing red. horror sans is very unpredictable and unstable due to his psychosis from his injuries, he can be very comedic one moment laughing at some dark humor, to cutting someone's ear off brutally in seconds, yet he's shows to be very intelligent and easily cunning