ArtStation - The Nightmare King

A villain named the nightmare king. all white eeyes with red around them, his face should be mostly like a skeleton face, he has a white hood with a crown that has

Grimm and Nightmare King by duke_of_dangers -- Fur Affinity [dot] net

Nightmare King Grimm - AI Generated Artwork - NightCafe Creator

Hollow Knight Nightmare King Grimm 2 Enamel Pin and Magnet

Didn't realize the “Nightmare King” from BK was gonna be a literal nightmare. : r/ExpectationVsReality

Nightmare King Grimm [Lucas]

The Nightmare King by R. Sullins

I'm a Gay Wizard in the City of the Nightmare King by V.S. Santoni

ArtStation - Nightmare king Grimm

Nightmare King DrumKit – Sonic Sound Supply