Who is he?
He's Santa / Santa Claus / Father Christmas.
What is it?
It's a house.
What is it?
It's a snowflake.
What is it?
It's a reindeer.
What is it?
It's a star.
What is it?
It's a Christmas tree.
What is it?
It's a present.
What is it?
It's a Christmas cake.
What is it?
It's a Christmas card.
What is it?
It's a snowman.
What is it?
It's a Christmas stocking.