original_query: What is the significance of Sven's character in the film Frozen (2013)?
query: What is the significance of Sven's character in the film Frozen (2013)?
answer: Sven, Kristoff's loyal reindeer companion, is a significant supporting character in Frozen (2013).  He aids Anna and Kristoff in their journey to find Elsa, providing comedic relief with his expressive nonverbal communication and unwavering loyalty.  His presence highlights Kristoff's kindness and strengthens the bond between Kristoff and Anna.