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Hans Christian Andersen: The character names of Hans, Kristoff, Anna, and Sven are a tribute to Hans Christian Anderson, the author of the source tale ‘The Snow Queen’. Say them all quickly in a row.

Frozen: 18 amazing in-jokes you may have missed

All the hidden gags, homages, and in-jokes that you never knew were in the highest-grossing animated film ever. You can’t un-see these!