Elsa (Frozen) of the song "Let It Go", with critics frequently calling her a "powerhouse". Attempts were made as early as 1937 by Walt Disney to adapt Hans Christian Andersen's fairy tale, "The Snow Queen", into a film. The tale focuses on two children, one named Gerda, who served as the basis for Princess Anna, and the other named Kai, who is "cursed with negativity" after his heart is pierced with a shard of glass from an enchanted mirror and is later kidnapped by the Snow Queen. However, Disney struggled with creating a believable, multi-dimensional adaption of the fairy tale's title character,
The King and the Mockingbird but in Andersen's tale the shepherdess is afraid of the wide world and the duo return; this is echoed in the movie where the statue predicts that they will return. The Curious Adventures of Mr. Wonderbird is a 1952 animated film based on the fairy tale by Hans Christian Andersen. It was known as La bergère et le ramoneur. The voice cast consisted of: Originally titled "La Bergère et le Ramoneur" ("The Shepherdess and the Chimneysweep"), Grimault and Prévert began the film in 1948 (following their first collaboration, "Le Petit soldat" (The Little Soldier), also a Hans Christian Andersen adaptation),