Myself and my best friend in our fave Sans Aus. (Drawn by me @Roxniie) : r/ fanart

Undertale AU - Undertale AU added a new photo.

All Sans AU Underfell Sans - Diamond Painting

Sans Aus Wallpapers - Wallpaper Cave

Two sans au fan art : r/Undertale

Swapfell Sans (Undertale AU fanart) - Lemonzz by OtagiriPie on DeviantArt

Au fusion Sans by joselyn565 on DeviantArt

Sans au with a four-pointed star in the forehead, blue eyelights, cheeks that have little sparkles that fell like a starry sky, jael penaloza art style

Apollo's Art on X: #undertale #undertaleFanart #fanart #sans #sansundertale #artistsontwitter #digitalart #deltarune #undertaleAU Apollo finishing his headshot of Sans from ; (Date drawn unknown) / X

Sans Seraphim (Undertale AU fanart) by Arttimo -- Fur Affinity [dot] net

Fanart]Papyrus and Sans react to Sans AU themes - BiliBili