Red soul killer sans by FishOnCola on DeviantArt

Sans/SomethingNew, New Undertale Fanon AU Wiki

Killer Sans, Wiki

TAMING CROSS Undertale comic, Undertale cute, Undertale funny

Image by Jakei95, or Jael Penaloza - Imgflip

Replying to @killer.sans.offical And again, you can't claim you're ded

I draw stuff — Killer,What is stage 4?

Sweater Weather (Killer Sans x StarSanses!Warrior!Reader), Undertale AU Sans and Papyrus x Reader Oneshots

First of all, that's not what he looks like, 2nd of all, he made a deal with Chara and has their soul in his but controls it - Imgflip

Comics with Sans - Comic Studio

Killerchans Stories - Wattpad