Arthur Claus is the protagonist of the 2011 film Arthur Christmas. He is the youngest son of Malcolm and Margaret Claus, the younger brother of Steve Claus, and the grandson of Grandsanta.

He along with Grandsanta, his pet reindeer and an elf named Bryony, work to deliver a bike to a young girl named Gwen after it is forgotten accidentally.

After succeeding in delivering the bike, it is decided by Malcolm that Arthur should succeed him as Santa instead of Steve.

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