Syno/BeforeTale!Sans is the kind of person who will do anything to get what he wants and at this time is his AU. He can be very cruel and sometimes abusive to his teammates.

Syno!Sans is a Twin Sans to Geno!Sans and has no real differences to him and geno except for his obsession for attention and dissociative identity disorder. He often will make conversation with his Scarf or even talk to what he believes is geno, but is really nothing.

All 3 personalities are known for their extreme obsession with their counterpart Geno!sans, going as far to stalk him and talk to their own scarf and other objects as if it was geno.

Syno/BeforeTale!Sans is the kind of person who will do anything to get what he wants and at this time is his AU. He can be very cruel and sometimes abusive to his teammates.

Syno!Sans lives in a Pacifist Timeline and lives with everyone alive and well,but one night during a peaceful day on the surface, Frisk got possessed by Chara and started to kill everyone during the night.

Long ago, way before the events of Undertale, Sans was heading home after an amazing field trip to the castle in New Home. All that went through his head was how he got to meet the king himself. Asgore was incredibly nice and instantly recognized Sans.

He went to UnderFell and that’s where he meat UnderFell Sans and asked him to help him to Save his world. Now BeforeTale!Sans and UnderFell!Sans are working together to help save BeforeTale!Sans’s AU.

Sans (/sænz/ [2]) is the older [1] brother of Papyrus and a major character in Undertale. He first appears in Snowdin Forest after the protagonist exits the Ruins. Sans is the deuteragonist of the Neutral and True Pacifist routes, in which he keeps an …

Set in the True Pacifist Route. After taking Sans to a strange door they saw once, Frisk learns the past of Sans, his brother, ….and their father W.D Gaster. Author notes: This is my first Undertale fanfiction. I’m a big fan of the idea of Gaster being Sans and Papyrus’s father.

Syno!Sans is a Twin Sans to Geno!Sans and has no real differences to him and geno except for his obsession for attention and dissociative identity disorder. He often will make conversation with his Scarf or even talk to what he believes is geno, but is really nothing.