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Characters / Once Upon A Time Mythological Creatures

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  • Mythological Creatures

Beware! Only spoilers from the current season (six) are hidden with tags!


Played by: Keegan Connor Tracy, Amy Acker, Catherine Lough Haggquist, Rose McIver, Jordana Largy, Jaime Murray, Sara Tomko, Jillian Fargey

The basic magical creatures of the Enchanted Forest, the fairies use the fairy dust the dwarves mine to make magic, which doesn't seem to have the same downsides as the dark magic everyone else uses.

  • Colorful Theme Naming: "Quite A Common Fairy" reveals that some of the major fairies are named after the dominant color of their dresses besides having more elaborate, unique names. Tinker Bell was referred to as "Green" by the Blue Fairy until she requested otherwise.
  • Fairy Sexy: All of them so far have been attractive.
  • One-Gender Race: Fairies are apparently all female. In Storybrooke, they are nuns.
  • Our Fairies Are Different: An attractive One-Gender Race that makes magic thanks to the dwarves' aid.
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  • Pimped-Out Dress: Every fairy seen has been wearing a very elaborate dress.
  • Half-Human Hybrid: Fairies can re-produce with humans, as is the case with Pan and the Black Fairy having Rumple. Subverted with the fact that Fiona wasn't genetically a fairy; she only turned herself into one after Rumple was born.

Played by: Lee Arenberg, Gabe Khouth, Faustino Di Bauda, David-Paul Grove, Mike Coleman, Mig Macario, Jeffrey Kaiser, Geoff Gustafon, Ken Kramer, Richard Cox

A race of male workers and miners who are hatched from eggs.

  • Born as an Adult: They hatch fully grown.
  • Fantastic Caste System: Forced to mine fairy dust, never allowed to leave said mines and are not allowed to fall in love.
  • Meaningful Names: Dwarf names are based on dominant personality traits, which are revealed through magic pickaxes. These names will change if the dominant trait changes.
  • One-Gender Race: Dwarves are one of these—all male, they hatch from eggs fully formed. With clothing.
  • Our Dwarves Are All the Same: Played straight or even exaggerated, since dwarves are born fully grown and conscious after hatching from eggs and are single-mindedly devoted to mining.

Played by: Mark Gibbon, John Rhys-Davies (voice only)

So far, two types of trolls have been seen. The Bridge Trolls in the Enchanted Forest are an angry race of monsters who have issues with human nobles, and who are also intelligent enough to make deals. Meanwhile, the Rock Trolls of Arendelle appear more benign, and try their best to help humans who seek them out.

  • All Trolls Are Different: They guard bridges and hate nobles. Also an In-Universe example: the trolls of the Enchanted Forest are visibly more humanoid than the trolls of Arendelle.
  • Hidden in Plain Sight: Arendelle's trolls can disguise themselves as rocks.
  • Laser-Guided Amnesia: Rock trolls specialize in this; however, they can also reverse the amnesia.


The "Big Bad Wolf," werewolves are infectious, only vulnerable to silver and immediately fatal wounds, and transform on the three days of the full moon. They also pass their condition along their bloodline.

Played by: Giancarlo Esposito, Peter Gadiot, Raza Jaffrey, Dejan Loyola, Michael Socha

Spirits forced to live in bottles and act as stewards of wishes.

  • Benevolent Genie: Generally, most of the Genies themselves have been fairly kind and even heroic. They even actively warn people not to use their magic for fear the magic will end up screwing over whoever uses it.
  • Genie in a Bottle: They are forced to live there.
  • Jackass Genie: Averted in that it's the magic, not the genie, as the Arc Words are "Magic comes at a price". The genie is even perfectly willing to warn against it.
  • Our Genies Are Different: As established by Once Upon a Time in Wonderland, genies are not a normal magical race. Genies are people who attempted to steal the water of the mythical Well of Wonders. As punishment, the Well's guardian, Nyx, enslaves them to magical lamps, where they must remain unless someone releases them.

Played by: C. Ernst Harth

Blind, aggressive monsters that have warred with humans before.

  • Always Chaotic Evil: The Ogres may be civil enough to organize actual armies, but their immediate instinct is always to kill.
  • The Brute: Ogres are a race of dangerous brutes.
  • The Dreaded: Snow balks when she hears that the ogres have returned.
  • Evil Cripple: Every single ogre is half-blind, but that doesn't stop them waging war on starving villages and attempting to kill Henry.

Played by: Aria Pullman

A powerful and dangerous water creature who is sought out for the healing properties of her lake. Once she dies, the lake dries up.

Played by: Jorge Garcia, Abraham Benrubi, C. Ernst Harth, Andre Tricoteux

A nearly extinct race who consider it their purpose to do nothing but grow magic beans.

  • Alliterative Family: All the giants in Anton's family had names starting with A.
  • Humans Are the Real Monsters: Hold this opinion, as humans previously used the magic beans for domination and conquest. When Anton accidentally spills that the beans still exist, the remaining giants are all but wiped out by King George's army.
  • Our Giants Are Bigger: Although Last of His Kind Anton ends up human-sized, these giants are massive by default, around the size of Storybrooke's clocktower.
  • Racial Remnant: Arlo heavily implies this is the reason why they live in seclusion from humans.
  • Theme Naming: Names starting with "A", although this might just be Anton's family.


A hideous monster named Medusa whose gaze transforms her victims into stone.

  • No Ontological Inertia: After Medusa's death, everyone that she turned to stone is restored, no worse for the wear.
  • Snake People: Upper body is humanoid, lower body is a giant snake. Also has snakes for hair.
  • Taken for Granite: Medusa's gaze alone can turn anyone to stone.


Played by: Natasha Wilson, JoAnna Garcia-Swisher, Tiffany Boone

Aquatic inhabitants of Neverland and Fairytale Land.

  • The Dreaded: Mermaids exist in Neverland and are greatly feared by Hook and his crew, seeing that they regularly capsize incoming ships.
  • The Ghost: Mentioned several times in the first two seasons but don't appear until the third.
  • Interdimensional Travel Device: The mermaids themselves, since they have the power to travel between universes at will.
  • Our Mermaids Are Different: They can turn their legs into fins for one day a year, and as mentioned above, they can even cross the barriers between dimensions.


Extremely dangerous spirits that hunt down anyone bearing their mark and steal their soul.

  • Black Cloak: The Wraiths decaying bodies are covered by an overly large dark cloak.
  • The Faceless: Their faces are shadowed from the view of the characters and the audience, hinting at their dark nature.
  • Red Eyes, Take Warning: The only thing visible beneath the Wraith's dark cloaks are a pair of large, red eyes.
  • Your Soul Is Mine: They don't actually kill people. They just remove their souls. The consumed souls go to a netherworld that they can be rescued from, as Mulan and Princess Aurora managed for Prince Phillip offscreen.


Played by: Ernie Hudson, Greg Germann, David Hoflin

Various gods are worshipped in the Enchanted Forest, especially those from Classical Mythology.

  • Complete Immortality: Gods are immune to all types of magic other than their own(Zeus stopped Hades' heart and Hades was able to kill Kronos before he claimed the Olmypian Crystal) and their hearts cannot be crushed by any means. There is only one other known way to kill a god: the Olympian Crystal.
  • God Guise: Regina pretends to be Ursula to fool Ariel. When the real Ursula finds out, she's not happy.
  • Kryptonite Factor: The gods may be immortal, but something that doesn't kill can harm them. That's where the Olympian Crystal comes in, which kills gods. It seems their own magic can also harm and kill them as Hades killed Kronos without the Olympian Crystal.
    • Turns out the crystal doesn't destroy souls, it just disintegrates beings and sends their souls somewhere else.
  • Legend Fades to Myth: Prince Eric's people hold an annual ball to honor the sea goddess Ursula. However, they believe that her deeds are merely stories.
  • Lord of the Ocean: Ursula and Poseidon.
  • Oh My Gods!: An expression often heard word-for-word from Enchanted Forest residents.
  • Physical God: They are invulnerable to any magic bar their own or the Olympian Crystal.
  • Reality Warper: Their powers transcend nearly all the known Laws of Magic (this makes sense given they created the Holy Grail which is said to be the source of all magic in the mortal realm). This allows them to do things that are impossible for non-deity magic users like ripping out the Heart of someone born of True Love or resurrection of the dead without any price. It appears the only things they cannot do with their own magic is time travel(Hades wanted to use Zelena's Time Travel Spell for that) or making someone fall in love with another person(which no magic can do as love has to be given willingly by it's very nature).


A gigantic hellhound that guards deceased souls from escaping the prison located in the Underworld.

  • Adaptational Villainy: Cerberus is portrayed a cruel monster that actively tortures the dead, whereas he was simply a supernatural watchdog in the myths.
  • Hellhound: Cerberus is one of the few monsters Hades uses the guard the Underworld, but he does it well, and prevents anyone in his custody from moving on.
  • Hero Killer: Cerberus is a terrifying monster that guards a prison not by physically restraining his wards, but by making them so scared even hardened pirates like Hook will refuse to escape. The trope also applies literally, as Cerberus was responsible for the death of the demigod Hercules.
  • Multiple Head Case: Hercules failed to kill it because for each head it went after, two more would attack him. The heroes are only able to beat Cerberus in the Underworld once Hercules, Snow White and Megara go for one head each simultaneously.
  • Wardens Are Evil: Exaggerated Trope; the warden of Hades's prison is not only evil, but a mindless monster literally hellbent on ripping any prisoner to shreds that dares move out of their cell.

Flying Monkeys

The Flying Monkeys of the Wicked Witch.

  • Baleful Polymorph: All of them were once people, before the Wicked Witch or another monkey changed them. Walsh, Little John, Philip, Aurora, and a few of the dwarves are included in their numbers at one point or another.
  • Maniac Monkeys: The Flying Monkeys are vicious, feral animals with the strength of four men that can fly through glass without breaking stride.
  • Mook: They serve as Zelena's mongrels for season 3b. They don't do much heavy-lifting in her schemes, but their numbers help keep the people of Storybrooke trapped and occupy the heroes just before the final steps of the Witch's plans.
  • Viral Transformation: Flying Monkeys are initially created via a spell, but once that first Monkey is created they can bite anyone they meet and turn them into another Flying Monkey. This is what keeps the population of Storybrooke trapped in season 3, since anyone who leaves is bitten by a Monkey.
  • Was Once a Man: Including Walsh, the former Wizard of Oz and Emma's one time fiance as well as Little John, Prince Phillip, Princess Aurora, Sleepy/Walter, Bashful, and Dopey.

Tree Nymphs

Played by: Emma Booth, Gabrielle Miller, Kyra Leroux, Rose Reynoldsnote 

An extinct species, with Flora holding the mantle of "mother" of the tree nymphs.


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