There's actually a funny history surrounding this movie. Walt Disney wanted to make this movie all the way back in 1943. "Frozen" was supposed to be Disney's adaptation of the popular fairy tale, "The Snow Queen", written by Hans Christian Anderson (Get it? Hans, Kristoff, Anna, Sven. Good job, Disney). "The Snow Queen" actually has, what would be Elsa, as the villain. They decided they couldn't create the movie in the 40s because they couldn't find a way to adapt it to a modern audience. They tried again in the late 1990s, but the project was scrapped when one of the head animators on the project, Glen Keane, quit. In 2010, they scrapped it again because they still couldn't find a way to make the story work. Then, in 2011, they finally decided on making Anna the younger sister of the Snow Queen, which was enough for them to create "Frozen".
"Frozen" was directed by Chris Buck (known for "Tarzan") and Jennifer Lee (known for "Wreck-it-Ralph"). The bar was set pretty high for me seeing as both those movies were well above the standards of a "kid's movie". The story was going to be just like the fairy tale, but then, Christophe Beck composed the hit song, "Let it Go". The production team went crazy; instead of trying to fit the song into the movie, they rewrote the entire plot and Elsa's entire character to fit the song. I have never heard of an entire movie kickasstorrent being changed to fit one song. Because of this, it's blatantly obvious that no one could decide on anything in this movie. Since Elsa isn't the antagonist, there really was no real evil force. The Duke of Weaselton is brought up to be the villain in the beginning when he states, "Open those gates so I may unlock your secrets and exploit your riches. Did I say that out loud?" Why do you want to unlock the secrets and exploit their riches?
The Duke has absolutely no development to the point where he doesn't even have a name. He barely even gets screen time. So if he isn't the villain, who is? Well, in the last 15 minutes of the movie, Anna's fiance, Prince Hans, is brought up to be the villain, stating he wants to rule a kingdom and he can't because of his 12 other brothers. This comes out of absolutely nowhere. There were no hints, no evil glances, no sidebars or monologues, nothing. He even gives out blankets and hot soup to every person in the kingdom of Airendale. Prince Hans even says, he will protect Airendale because Anna left him in charge and "will not hesitate to protect Airendale from treason" when the Duke states he wants to take over. I can't stand it when they get so lazy as to just throw in a villain at the last few minutes because they couldn't actually bring up a real villain. Prince Hans states that he wanted to take over and he was going to kill Elsa and all this other crap, but Elsa was just about to be killed and he saved her life. Why would he save her life if he wanted her dead? None of it made sense and it irked me the entire movie.
Frozen recycles animation and character models from their previous hit, "Tangled". The main characters, Elsa and Anna, use the same exact model as Rapunzel from "Tangled". This controversy has been huge around the internet, calling Disney "lazy" and the such. Personally, I was okay with this. Disney is known for recycling animations (which can be seen here). Even though it was really strange that Elsa and Anna had the same exact face and body structure and the only difference between them were the freckles and their hair, it didn't bother me too much. But, during the coronation scene, Elsa says to Anna, "You look beautiful." Pretty ironic if you ask me.