well multiple characters in frozen show the importance of being true to who u are. when elsa left she finally decided to let go of her past and stop hiding who she really was. Olaf was the same way he knew he was just a snowman but he came out to be a good friend and help anna. Anna expressed who she was thru the whole movie a fun loving person who also had a bit of a rebel side but she still able to portray a caring person because she traveled a long way to find Elsa and in tje end she saved her. so all of those things show the importance of being true to who u are...