You don't see thumblings in pop culture that much, so I take an interest whenever anyone does adaptations. I collect dolls, and one of my Christmas presents this year was an Ever After High doll: Nina Thumbell.
Ever After High is a doll franchise by Mattel. The basic concept is that the dolls are all the children of fairytale characters. One day, they're all supposed to live out the fairytales like their parents before them, but some of them rebel against this idea.
As you may have already guessed, Nina is the daughter of Thumbelina. No, the doll is not thumb-sized. This character can magically grow and shrink. More on that later.
I have mixed feelings on her fashion sense. I like how her skirt resembles a tulip, but the plaid shirt is kind of weird, and my mom remarked that her vine boots looked like green silly string. Seeing the doll in person, the color combo is growing on me. I also like that the face molds are now more unique and expressive, although in other areas the new dolls lack the small details that appeared with older dolls. (For instance, the box doesn't include a doll stand as the older ones did, and Nina lacks the earrings that she wears in promo art.)
I will say she is very fun to pose.
Unlike the other dolls, Nina's box does not include a diary, but has only a small card bearing a brief description.
The lack of a diary was the one thing that really disappointed me when I opened the box.
Nina does appear as a cheerleader in the diary of another character, Faybelle Thorn, and in one of the tie-in books, Fairy's Got Talent by Suzanne Selfors (2015). She isn't really fleshed out there, but seems mainly cautious and fearful and tends to go with the flow. This contrasts with her fearless characterization in other media.
She is allied with the Rebels, the faction thats want to throw off their destinies, rather than the Royals, who want to follow in their parents' footsteps. She really only gets a spotlight once, in her webisode Thumb-believable. The other characters shrink down to her size so that she can give them a tour of Ever After High as she sees it. There are some pretty fun scenes where they climb through the walls and enter Nina's room, which appears to be inside a locker. She loves exploring and has a pet cat.
Her profile page on the Ever After High website provides more information on her personality.
What does that mean?
In this aspect, Nina is like the "animal" characters (like the Cheshire Cat's and White Rabbit's daughters) who can turn into human form. These are characters that are marketed as dolls - not, notably, the Three Little Pigs or the Billygoats Gruff. A proportional Nina doll would be a tiny speck, not really a great doll to play with.
However, her power kind of breaks the story. It's hard to see how the challenges Thumbelina faces would be challenges if she could shoot up to five foot three at any time.
One person on a fan wiki suggested this was because of Nina's fairy heritage from her father, which I thought that was clever.
Because her fairytale's about people trying to force her into marriage
A short joke, but also suggests a side of her that hasn't been seen yet.
Because she's a flower fairy.
Another short joke.
And that's about all there is to know about Nina Thumbell at this point. Unfortunately, considering the direction Ever After High has been going recently, I'm concerned that we may not see much more of its characters, including Nina. I'd love to see more books featuring her.
This website is based on my research into folklore.