Sans UnderWar (Redesign) by BlueWolfArtista on DeviantArt

Underswap!Sans - Underverse 0.3 by JakeiArtwork on DeviantArt

UnderTale AU - UnderWar Temmies Army by BlueWolfArtista on

Underlands AU by Kauu on DeviantArt

WarRune - Dark Jack Lancer (DeltaRune AU) by BlueWolfArtista on

Underswap Sans by ArmadilloHero on DeviantArt

UnderTale AU - UnderWar Undyne and MonsterKid by BlueWolfArtista

FallenTale Papyrus (redesign) w/ Sans by A-V-J on DeviantArt

UnderWar - Sir Papyrus the Noble by BlueWolfArtista on DeviantArt

Another Sans AU design by VioletLauren on DeviantArt, sans aus

UnderTale AU - UnderWar Sans and Papyrus by BlueWolfArtista on

COVENANT - Asriel Dreemurr (UnderTale AU) GIF by BlueWolfArtista