Gwyllion is the main antagonist in the 2013 direct-to-DVD animated Barbie film, Barbie: Mariposa & the Fairy Princess, it is sequel to the 2007 film, Barbie: Mariposa and Her Butterfly Fairy Friends. She is the evil witch and a former enemy of King Regellius, Princess Catania, and Mariposa.
She is voiced by Kathleen Barr, who also voiced Laverna in Barbie: Fairytopia series, Lydia in Barbie & the Diamond Castle, Eris in Barbie in A Mermaid Tale series, and Queen Chrysalis in My Little Pony: Friendship is Magic.
More that years ago, Gwyllion could arrives in palace on fact is that she even while torturing the young king Regellius about Crystallite, the empowered crystal of the kingdom of Shimmervale. She is nothing more than a diabolical witch who liked to mastery black magic. After Regellius also rejecting from give her a crystals, Gwyllion looks on at becomes vengeance as she attempted to used her cruelly to kidnaps the king's 8 years old daughter, Catania. Regellius fly out then stops her from taking his daughter away, which he attacked by Gwyllion's bat minion, Boris. However, on this case, Gwyllion throwing the princess falling with that knocking into cliff in as her magic wand also falls with her hands. Regellius grabbed Gwyllion upset, and he wanted her to fall to death. She has always been unfavorable to the king and the princess, constantly quarreling with them.
Fear on, Catania yelling to her father as she quite breaking her fairy wings and that nearly bumps into water after her being accident. Regellius eventually saved his daughter, Gwyllion, who decides to flees with Boris for in making leaving the king and the princess go which later takes avenges to them. Catania intending recovering her wings with now to flying again. 8 years after, Gwyllion was in her home acting that its surprises has been to formally performed her evil spells which what how was turning the crystals into darkness rocks, Boris sees her had done to tasks. Gwyllion returned to Shimmervale in gets that as having retaliates on the king and the princess. As long as this continues, Gwyllion is toils this turning the Crystallites of the city into the rocks then freezing Regellius and all the crystal fairies so she even was that for preparing against Mariposa, the butterfly fairy.
Mariposa, who would serving as an ambassador of the fairy kingdom of Flutterfield which her decided to departing both Queen Marabella and her son, Prince Carlos. But so with then begins traveling to Shimmervale with her puffball friend, Zee. Upon the king is actually ruined to Mariposa's life, regarding had to which he makes her expelling from Shimmervale without coming back. Catania following Mariposa to palace so gives up to left her father away. When the accident has happened, Catania fell down from palace after seeing her crystal necklace suddenly broken, and was able to be rescued by her flying horse assistant, Sophie. Gwyllion tries to fights with the two fairies and destroyed the Crystallites, as then certainly to be preventing by Catania by about her falling down but her magic wand is gets damaged, the king and all the fairies are releasing from frozen.
After Mariposa and Catania worked to restoring all the Crystallites among with helped of saving Shimmervale together, the unfreezing Regellius wanted to punishing Gwyllion. Generous is into that, Catania stops her father from destroying Gwyllion because she doing that these ones is mistaken just about forced him giving her the Crystallites. Regellius should apologize to the brave Mariposa because he misunderstood that she had done something wrong and stole his daughter's crystal necklace. Catania asked her father due to they now forgives Gwyllion. However, Catania will gives Gwyllion a necklace which then turning her into an wise old woman. She could thanks to her and left along with Boris, Regellius is about to reunite with his daughter. The two embraced each other and followed Mariposa to Flutterfield, dancing with Marabella, Carlos, and all the fairies.
- Gwyllion does not appears in the previous movie. However, in the second movie, she replaced Henna as the film's main antagonist.
- She is the second antagonist who have a bat, the first being Mouse King from Barbie in the Nutcracker.
- She is very similar to Princess Malucia because of they both seek to controlling the worlds with the plans to finds the magical creatures from making them as their guardians. Gwyllion freeze the Crystallites until her dominating the kingdom of Shimmervale in have right then eventually preventing by Mariposa and Catania, and redeeming herself. Malucia stolen all the magical creatures' powers and blackmailing Queen Unicorn into puts forward she can becomes the queen and taking over the kingdom of Zinnia, but a last to be defeated by Princess Alexa and gets punishing to cleans up.
- She did appearing in the film bloopers.
Barbie as Rapunzel
The Barbie Diaries
Barbie & the Diamond Castle
Barbie in A Christmas Carol
Barbie in A Mermaid Tale
Barbie: A Fashion Fairytale
Barbie: A Fairy Secret
Barbie: Princess Charm School
Barbie: The Princess & the Popstar
Barbie in the Pink Shoes
Barbie & Her Sisters in A Pony Tale
Barbie: The Pearl Princess
Barbie and the Secret Door
Barbie in Princess Power
Barbie & Her Sisters in A Great Puppy Adventure
Barbie: Starlight Adventure
Barbie: Video Game Hero
Barbie: Dolphin Magic
Barbie: Princess Adventure
Barbie & Chelsea: The Lost Birthday