Pixilart - mlo!underswap sans fight by fusion12345

Pixilart - Underswap Sans (Battle) by AmazinG

Underswap] Sans Battle Sprites v4 by GrabThatBread on DeviantArt

fusion12345's Gallery - Pixilart

Aftertale Sans + Underswap Sans Fusion (Generry) by Beatriz-Savin

[Scratch] underswap Genocide Sans Phase1~3 battle! [undertale

Underswap Sans Sprite, Pixel Art Maker

Editing Underswap sans - Free online pixel art drawing tool - Pixilart

fusion12345's Gallery - Pixilart

Pixilart - Underswap Sans by Bab

Underswap] Sans and Papyrus by PapsTheRadSkatist on DeviantArt