Suggestions by @caitlinfrost

Elphaba

as Witch/Sorceress in Fictional monsters by species

Druddigon

as Western Dragon in Fictional monsters by species

The Ghost of Anne Boleyn (With Her Head Tucked Underneath Her Arm)

as Dullahan in Fictional monsters by species

The Headless Horse (MLP: FIM)

as Dullahan in Fictional monsters by species

Steven Magnet

as Sea Serpent in Fictional monsters by species

King Triton

as Mermaid in Fictional monsters by species

Dopey

as Dwarf in Fictional monsters by species

Grover Underwood

as Satyr/Faun in Fictional monsters by species

Philoctetes

as Satyr/Faun in Fictional monsters by species

Remus Lupin

as Werewolf in Fictional monsters by species

Silverstream (My Little Pony)

as Hippogriff in Fictional monsters by species

Princess Luna

as Alicorn in Fictional monsters by species

Lady Amalthea

as Unicorn in Fictional monsters by species

Murray (Hotel Transylvania)

as Mummy in Fictional monsters by species

Corey the Manticore

as Manticore in Fictional monsters by species

Iron Will

as Minotaur in Fictional monsters by species

Smaug

as Western Dragon in Fictional monsters by species

Draculaura

as Vampire in Fictional monsters by species

Victor, Hugo, and Laverne

as Gargoyle in Fictional monsters by species

Rayquaza

as Eastern Dragon in Fictional monsters by species