Undertale] Sans Battle Sprites v4 by GrabThatBread on DeviantArt

Undertale] Sans V4 Sprite by EllistandarBros on DeviantArt

Sans Sprite Sheet by ThatGuyLBS on DeviantArt

UnderTale Sans The Skeleton sprite V6. (1) by tehgruetpoopyrus on DeviantArt

Canonswap] Papyrus and Sans Sprites v2 by GrabThatBread on DeviantArt

Undertale] Sans Sprite Sheet by SooSSpy on DeviantArt

Undertale sans battle sprite V7 by guardianofskeleto on DeviantArt

Classic Sans In-Battle Sprite Coloured + BW (OLD) by SafetyBob9001 on DeviantArt

sans ? by betasansofficial on DeviantArt

Custom Sans Expression and Talk Sprites (V4) by EllistandarBros on DeviantArt