Nightmare sans passive Gacha by Gacha2015undertale on DeviantArt

Passivenightmare Stories - Wattpad

Huggy Wuggy by Gacha2015undertale on DeviantArt

Cat!Passive!Nightmare!sans by KatulaNocteris on DeviantArt

Nightmare!Sans (passive) by OxLily on DeviantArt

Passivenightmare Stories - Wattpad

W.D Gaster Gacha by Gacha2015undertale on DeviantArt

Error Sans X F!Nightmare Sans by SonicMultiProtectVA on DeviantArt

Dream and Nightmare Sans rate your OC (Pics only please) : r/GachaClub

Dream and Nightmare Sans rate your OC (Pics only please) : r/GachaClub

Nightmare no- (Gacha Club) by SilvespioGirlOvia07 on DeviantArt

If Nightmare Met Passive // Nightmare Sans // Gacha Club // Sans AUs

Passivenightmare Stories - Wattpad

Human Passive Nightmare by KatulaNocteris on DeviantArt

Passivenightmare Stories - Wattpad

Superstar Daycare (lights off) by FnasLuiginette on DeviantArt