Sans Battle Sprites by flambeworm370 on DeviantArt

Sans Battle Sprite Redesign by TheIronScyther on DeviantArt

Horrortale sans Battle Sprite by AlberTr0n1c on DeviantArt

sans (sprite sheet) part 1 / phase 1 by Luigifanthebest on DeviantArt

Swapfellswap: sans' funny eye by flambeworm370 on DeviantArt

Some Snerts by flambeworm370 on DeviantArt

Undertale Sans Battle Sprite by flambeworm370 on DeviantArt

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

Aftertale Sans Battle Sprites by SafetyBob9001 on DeviantArt

Swapswap Sans Battle Sprite Colored by flambeworm370 on DeviantArt

Undertale - Sans battle sprite by sotwound on DeviantArt

Underfell Sans Battle/Textsprites by SafetyBob9001 on DeviantArt