Thumbelina is the titular main protagonist in the 2009 animated film, Barbie: Thumbelina, aka Barbie Presents Thumbelina. She is a Twillerbee who lives in harmony with nature, and she lives in the Twillerbee Village, which is hidden among wildflowers in a nature reserve. She proves regardless of someone's size, they can make significant differences.
Thumbelina and her friends Janessa and Chrysella have their patch of wildflowers uprooted because of a spoiled girl named Makena. The trio are taken to Makena's home, and find out their land could be destroyed because of construction work. Thumbelina uses the magic of nature to save her home.
She has light skin, blue eyes and long blond hair with pink streaks similar to Merliah in Barbie in A Mermaid Tale. She wears her hair in a bun with a pink flower in it. Her dress is pink with green detailing, and her shoes are pink with a flower on them and two straps. She wears small pink earrings with the shape of blooming flowers, and made her own fake lilac wings made of flower petals so she can fly like a fairy.