Twins Theory
Ok, so this might sound crazy, but I think Elsa and Kristoff are long lost TWINS!
I know, ridiculous right? Bear with me, the facts are all there.
First, they obviously both have blond hair, unlike, literally, any of the other characters.
Second, they are the same age. (21) Also unlike anyone else. (Anna- 18, Hans- 23)
Third, both have a connection with ice. Kristoff with harvesting, and Elsa with her powers. Kristoff even says "Oh come on, it's a palace made of ice! Ice is my life!"
Fourth, in the scene where Anna and Elsa's mother and father take Anna to the trolls, right after she's been hit in the head with Elsa's ice blast, Pabbie asks the king if Elsa was born with her powers, or cursed. A keen eye will notice that the king hesitates slightly before answering that she was born with her powers, signifying that he was not there to see her birth.
Fifth, Elsa is left-handed. Studies show that, the frequency of right-handed and left-handed pairs of DZ (fraternal) twins is about 21%. Most pairs of twins both turn out left handed. While there is not really enough information on Kristoff to tell whether he's left or right handed, I'm guessing he's left handed from the way he handled his knife when cutting Sven's bridle in the wolf scene. It would complete the stat either way.
Sixth, studies also show that frat. twins can have different eye and hair colors. One mother reported having a girl with grey eyes and a son with blue eyes. Therefore, I think it's possible that DZ twins can be born, one blue eyed, platinum blonde haired girl, and one brown eyed, Sandy blonde haired boy. It's possible that Elsa and Kristoff's genetics match up to be fraternal twins. It all depends on their parents chromosomes.
Seventh, did anyone else notice that Kristoff wears gloves for most of the film? He only takes them off twice in the whole 90 minutes! Okay, that might not be relevant, but still...
Lastly, both have a non-human friend who they, effectively, bring to life. Elsa has Olaf, and Kristoff has Sven.
Here's what I think happened:
Their parents lived in the woods, just on the outskirts of town, and about a mile south of troll valley, right on the path from the valley to the castle. The father was an ice harvester and carried the cryogenic gene needed for Elsa's powers (but in a smaller proportion, so it was not obvious he carried it.). When the mother was pregnant, she was very sick. Plus, because of a lack of technology, they had no idea she was going to have twins. On the winter solstice (December 22nd) of 1817, the mother gave birth to twins. One normal boy, and one ice princess. Unfortunately, it was the middle of the day and her husband would not be home for several hours. And because there was no doctor or mid-wife present, (the family was extremely poor) the mother died after Elsa and Kristoff were born.
At the castle, the queen was also giving birth. But when the queen gave the final push, there was silence. The baby was a stillborn. Thinking the trolls could help them revive the child, the king rushed to their hideout. Unfortunately, they could do nothing for the king. He was about to go home and tell his wife the sad news when suddenly, a crying infant could be heard in the distance. The king went to check out the noise. He stumbled across the cabin where Kristoff and Elsa had just been born to find the newborn girl crying next to an unconscious woman and sleeping baby boy. The king assumed that the boy was the girl's twin and had not survived. So, because he thought the mother was also dead, thinking the girl was now an orphan, he decided to adopt her. He left the stillborn in the cabin. When the king got home, he told his wife that the trolls had brought their child back. The queen was overjoyed with the little girl and decided to name her Elsa.
Meanwhile, Kristoff had woken up and started crying. By now, his father was on his way home. He was met with a bittersweet surprise. He was sad that his wife and Kristoff's "twin" had died, but still proud to have a new son. Neither the king or Kristoff's father knew Elsa had inherited his cryogenic gene and had ice powers as a result. Four years later, he was teaching Kristoff how to harvest ice when he slipped and fell into the lake. He drowned after getting trapped under a thick patch of ice.
Kristoff was on his own after that. He later finds Sven and begins to harvest ice as a career, four more years after his father's death.
Elsa lives life in the castle and enjoys playing with Anna and using her powers. Her father never told her she was adopted. On the night she strikes Anna in the head, the king is not sure how Elsa got her powers and assumes that the dead mother had passed them down to her daughter. After 10 years of isolation after the incident and after confessing to his wife, he plans to tell Elsa she was adopted after their trip. He never got the chance. However, the King wrote the story down in a "message in a bottle" "in case they were lost at sea. The bottle remains lost to this day.
After the events are frozen, Kristoff and Elsa seem to become friends. Although they may never know the truth...
In conclusion, there is a possibility that Elsa and Kristoff are Frozen's real siblings. Also, Elsa's powers may be because of a genetic mutation her real father passed down. The king of Arendelle shouldn't have messed with people's lives, otherwise Frozen could have been avoided. But that's just my opinion.
So what do you think? Could this theory be true? Do you think they'll find out? If they do, what then?
