20 Little Known Facts About Frozen.

This is awkward. Not youre awkward, but cause wereIm awkward. Youre gorgeous. Wait, what? Anna

Facts via IMDB

1/20. The characters of Hans, Kristoff, Anna and Sven are a reference to Hans Christian Andersen, the author of The Snow Queen. Say the names quickly in sequence and hear the similarity.

2/20. Elsa's castle needed at least 50 animators to create.

3/20. While Arendelle is covered in snow, two townsmen are seen arguing over the correct way to stack firewood, bark up, or bark down. This refers to a heated debate in Norway that was sparked in 2013, after a 12-hour TV program on firewood aired. It included 8 hours of a live fireplace, and the network received dozens of texts complaining about how the firewood was stacked. The complaints were split evenly between people who were upset about bark facing up, and those who were complaining about bark facing down.

4/20. According to Jennifer Lee, Anna is 18 years old in the film, while both Elsa and Kristoff are 21 years old and Hans is 23 years old.

5/20. Idina Menzel auditioned for the part of Rapunzel in Disney's previous fairy tale, Tangled(2010). Even though Menzel didn't get the part, a Disney casting director recorded her audition and two years later, it got her the part of Elsa.

6/20. Elsa is the second animated Disney princess to become a Queen during a film, and the first animated Disney princess to be crowned Queen on-screen. (Princess Kida from Atlantis: The Lost Empire (2001) was first but her coronation happens off-screen.)

Continue to the next page for more fun Frozen facts.

7/20. HIDDEN MICKEY: There is a plush Mickey Mouse on one of the shelves in Wandering Oaken's Trading Post and Sauna.

8/20. During Olaf's song, his dance with four seagulls is a nod to Bert's dance with four penguins from another Disney movie: Mary Poppins (1964).

9/20. According to actor Josh Gad, a handful of Olaf's dialog in the film was improvised to make the producers laugh.

10/15. As of April 11, 2014, Frozen (2013) became both the highest grossing animated and musical film of all time and the ninth highest grossing film of all time with a worldwide box office gross of $1.097 billion.

11/15. When the King pulls the book off the shelf to figure out where to find the trolls, the book is written in Nordic runes, originating from Scandinavia where the film crew drew much inspiration. These runes were the basis for the dwarf-runes used in J.R.R. Tolkien's The Lord of the Rings. A map that falls out of the book resembles the map of the Lonely Mountain seen in The Hobbit.

12/15. In early designs, the giant Snow Monster that Elsa creates was a giant version of Olaf, who addressed him as "little brother." But it was later decided that although it was cute and kind of funny, it ultimately looked a bit dumb.

Continue to the next page for the last Frozen facts.

13/20. A live reindeer was brought into the animating studio for animators to study its movements and mannerisms for the reindeer character, Sven. Co-director Jennifer Lee said it was the best moment during production for her.

14/20. In addition to being the first woman to direct a full-length Disney animated feature film, Jennifer Lee also became the first woman to solely write an entire screenplay for a Disney animated film since Linda Woolverton for Beauty and the Beast (1991).

15/20. When the gates open during "For The First Time in Forever," there is a cameo of Rapunzel and Eugene (Flynn) from Tangled (2010). Rapunzel has short, brown hair and is wearing a purple and pink dress (her celebration dress at the end of 'Tangled'), and Eugene is wearing a maroon vest and a brownish sash.

16/20. Like her Frozen co-star Idina Menzel, Kristen Bell also auditioned for the part of Rapunzel for Tangled (2010).

17/20. The most complex frame in the movie required over 132 hours to render.

18/20. Kristen Bell stated that with this film, she has fulfilled a lifelong dream of voicing an animated character ever since she saw The Little Mermaid (1989) and Aladdin (1992) as a kid. When she was around that same age, she recorded a voice box where she sang a couple of songs from The Little Mermaid, including "Part of Your World." Her Little Mermaid vocal tracks were part of the reason why she got the part of Anna, as director Jennifer Lee said to her that if she hadn't recorded her own vocal tracks from Mermaid, it would've been very difficult to the find the right one to play Anna.

19/20. The production crew went to Norway on a two-week long trip before production begun, and the movie is largely inspired by this trip. The landscape, clothes, music, buildings and names resemble a lot of Norwegian culture. The Arendelle castle is loosely based on Akershus Fortress in Oslo, the Arendelle town is inspired by Bryggen in Bergen, a west-coast Norwegian city, and the landscape around Arendelle is similar to the Nryfjord, also on the west side of Norway. And of course; trolls are one of the well-known trademarks of Scandinavian culture.

20. Kristen Bell improvised the line "Wait, what?" that Anna says at one point during her first meeting with Hans.

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