Undertale Sans battle sprite sheet by flambeworm370 on DeviantArt

Classic Sans Sprite Sheet by ThatGuyLBS on DeviantArt

Sans in my style (Overworld sprite sheet) by GushieGMan on DeviantArt

Undertale Sans Sprite + Spinned Sprite Sheet by jackedupjauhed on DeviantArt

Papyrus' directionals based on his overworld sprite (art by addicted2electronics on deviantart) : r/Undertale

fell sans full battle sprite Ver.2(right) by ElementPhra9m1te on DeviantArt

Undertale] Sans Sprite Sheet (Black and White) by DevTal12 on DeviantArt

Talksprites by flambeworm370 on DeviantArt

Insanity Sans sprite sheet V2 by jayzd13 on DeviantArt

Sans Sprite Sheet (Body And Legs) by JackMan9177 on DeviantArt

Sans Battle Sprite Sheet by AManFromOuterSpace on DeviantArt