Pixilart - Sans Custom Battle Sprite by ProphetOfGaster

Custom Sans and Papyrus Battle sprites. by flambeworm370 on DeviantArt

Editing gaster blaster sans - Free online pixel art drawing tool - Pixilart

Custom Sans Battle Sprite By Drunkpotato - Sans Battle Sprite Grid Transparent PNG - 530x720 - Free Download on NicePNG

sans full battle sprite by swapfellNEOpapyrus on DeviantArt

Canonfell / Underfell sans Battle sprites by AlberTr0n1c on DeviantArt

Pixilart - Sans base by LeaderofFHTT

Murder time quartet: Mossified - Sinister smiles

Another custom sans sprite : r/Undertale

Sans Boss Sprite Sheet Transparent PNG - 530x262 - Free Download on NicePNG