sans (gr33nbeen), the original ghost of Sans, by gr33nbeen
sans (hatterheather), a modification of the original sans ghost by hatterheather which added new content
sans, a shell of Sans for the ghost FLELE, by Heartstitched
Sans and Paps, a mash-up ghost of the original sans ghost and CuddlyHawk's Papyrus ghost, by KFC
geno, a modification of the original sans ghost by Huskalis, which portrays Sans from the Aftertale AU
Multiverse Sans, a modification of the original sans ghost by Excel Lynt, which adds much more complexity and depth, as well as several AU shells
UC Sans Ghost, a ghost of Sans from the Underchange AU, by Ymuy
Underfell Sans, a ghost of Sans from the Underfell AU, by ChangeSide
Undertale - Sans & Papyrus, a balloon by Excel Lynt that is a modified version of the Z - Undertale balloon, to better suit Sans and Papyrus