Mysterious

Gillington Grim is the Grim Reaper himself, father of River Styxx and one of the most iconic figures in monster lore who occasionally appears at Monster High.

Headless Headmistress Bloodgood is the mysterious headless leader of Monster High, a phantom authority who guides students with wisdom and calm confidence.

Twyla Boogeyman is the daughter of the Boogeyman and a mysterious student at Monster High who can manipulate fears and dreams.

The Boogeyman is Twyla's legendary father, a nightmare creature who has haunted dreams for centuries and embodies the spirit of fear itself.

Scarah Screams is the daughter of the Banshee and a quiet ghoul with powerful telepathic abilities who attends Monster High.

Twyla is the daughter of the Boogeyman and a shy, introverted ghoul who attends Monster High, hiding in shadows but proving that even the quietest monsters have powerful stories to tell.

Hexiciah Steam is the daughter of the Headless Horseman and a gothic, spectral student who attends Monster High with ethereal style and mysterious charm.