Create a Undertale/Underverse Tier List - TierMaker

Reaper, Stands Awakening Wiki

Screen Of Death!Sans, New Undertale Fanon AU Wiki

They updated the tier list in the Discord : r/AUniversalTime

Fatal Error! Sans, Undertale AU Characters Wiki

Reaper Error by chychylove on DeviantArt

Create a Undertale Sans Au's Ranking Tier List - TierMaker

User blog:Reaper Bruh Sans/Alphatale/Error404!Sans, VS Battles Wiki

Create a UnderTale Last Corridor Maxed Sans Skins Tier List - TierMaker

Reapertale - Reaper Sans by EmmaraLesserEstudio on DeviantArt

I'm making a tierlist of EVERYONES OCs. So uh Yeah post in the comments if ya want (NEVER CLOSES) : r/GachaClub