Monster High, being a monster-themed franchise, features a huge cast consisting of many different types of monsters. And some humans to round it out, of which most fit the conventions of the horror genre. Below is the entirety of the cast listed by species, with those who are either unknown or unique to the franchise listed as "other".
Please keep two things in mind when reading:
- Neither this article nor the specific species articles linked to are necessarily fit for reading by a young audience.
- Characters are primarily grouped the way canon does it, even if canon would conflict with source conventions. Where canon is silent, source conventions are utilized.
Arthropodians
For Arthropodians, see Species (disambiguation).
- Arachne Spider
- Bonita Femur (Hybrid)
- Buzz Wingman
- Wydowna Spider
Centaurs
For Centaurs, see Species (disambiguation).
Cyclopes
For Cyclopes, see Species (disambiguation).
- Cy Clops
- Iris Clops
- Laboratory assistant
- Simon Clops
Dragons
For Dragons, see Species (disambiguation).
Elementals
For Elementals, see Species (disambiguation).
Gargoyles
For Gargoyles, see Species (disambiguation).
- Garrott DuRoque
- Gary
- Rocco
- Rochelle Goyle
- Scary Stone
Genies
For Genies, see Species (disambiguation).
Gorgons
For Gorgons, see Species (disambiguation).
- Deuce Gorgon
- Euryale Gorgon
- Medusa Gorgon
- Stheno Gorgon
- Viperine Gorgon
Grim Reapers
- D'eath
- G. Reaper
- River Styxx
Fae
Harpies
Hominids
Humans
For Humans, see Species (disambiguation).
- Bartleby Farnum
- Bekka Madden
- Brett Redding
- Candace Carver
- Chad
- Clair
- Igor
- Jackson Jekyll
- Hackington
- Haylee
- Van Hellscream
- Hexiciah Steam (Cyborg)
- Kipling
- Lilith Van Hellscream
- Lilith's goons
- Lou Zarr
- Moreau
- Victor Frankenstein
Hybrids
Invisibles
- Billy Phaidin
- Invisi Billy
- Verizhe
- Where
Magicians
For Magicians, see Species (disambiguation).
- Casta Fierce
- Kindergrubber
- Scary Murphy
Mermaids
Ogres
- Lothar
- Ogrethor
Plants
- Crabgrass
- Venus McFlytrap
Sirens
For Sirens, see Species (disambiguation).
Water monsters
For Water monsters, see Species (disambiguation).
Undeads
Ghosts
For Ghosts, see Species (disambiguation).
- BOO-Lu Cerone
- Johnny Spirit
- Kiyomi Haunterly
- Moanatella Ghostier
- Porter "Paintergeist" Geiss
- Sirena Von Boo (Hybrid)
- Sofeara Gorepola
- Spectra Vondergeist
- Vandala Doubloons
Mummies
For Mummies, see Species (disambiguation).
- Cleo de Nile
- Mummy
- Nefera de Nile
- Ramses de Nile
Phantoms
For Phantoms, see Species (disambiguation).
Skeletons
For Skeletons, see Species (disambiguation).
Vampires
For Vampires, see Species (disambiguation).
- Bram Devein
- Dracula
- Draculaura
- Elissabat
- Gory Fangtell
- Stoker
- Thad
- Valentine
Zombies
For Zombies, see Species (disambiguation).
- Don of the Dead
- Ghoulia Yelps
- Neighthan Rot (Hybrid)
- Sloman "Slo Mo" Mortavitch
Simulacrums
For Simulacrums, see Species (disambiguation).
Frankenstein monsters
For Simulacrums, see Species (disambiguation).
- Frankie Stein
- Viktor Stein
- Viveka Stein
Robots
For Robots, see Species (disambiguation).
Werebeasts
For Werebeasts, see Species (disambiguation).
Werecats
Werewolves
Other
The following entries are characters that are the only one of their kind in the cast of Monster High or are species mentioned but devoid of characters to represent them.
- Andy Beast (mutant/wildeman/kaiju)
- Clouds (sapient clouds)
- Eyera (eyeball-head)
- Fawn (anthropomorphic deer)
- Gilda Goldstag (golden hind)
- Hackington (human?)
- Irene Maiden (unknown)
- Jackson Jekyll/Holt Hyde (Jekyll/Hyde)
- Lunch lady (unknown)
- Manny Taur (minotaur)
- Music teacher (undead or alien)
- Neighthan Rot (Hybrid) (unicorn)
- Perfect Guy (unknown)
- School photographer (unknown)
- Slug girl (anthropomorphic slug)
- Tiki (sapient Tiki statues)
- Twyla (boogeyman)
- Ygor (human?)
- Nerd boy (goblin?)
- Devil boy (devil)
- Will-o'-the-wisps
- Gremlins
- Phoenices