Because that is just the name that they call Santa in their country all different countries call Santa different names...
圣诞老人 (shèngdà n lǎorén) is what the Chinese call Santa Claus. This literally means Christmas Old Man.
In China, Santa Claus is called Dun Che Lao Ren. In Chinese, the name is translated as Christmas Old Man. Christmas decorations include paper lanterns, and Christmas trees called "Trees of Light" decorated with paper flowers and chains.
Santa Plause.
In China they would call Santa Shengdan laoren, which means "The Old Man of Christmas."
People in Asia call Santa things that translate to "Christmas Old Man," "Grandfather Santa," or "Grandpa Frost."
Sheng Dan Lao Ren which means "Christmas Old Man."圣诞老人 [shèng dàn lǎo rén]Sheng dan lao ren. Means Old Christmas Man.
Old Man+Christmas Tree=Santa Clause Time+Man=Old Man Tree+Lightblub=Christmas Tree
Santa Claus in China is called Dun Che Lao Ren which means "Christmas Old Man". The Christian children of China hang muslin stockings hoping that Christmas Old Man will fill them with gifts and treats.It is Santa Claus in Chinese
In Brazil, Santa is known as Papai Noel ("Father Christmas"), Bom Velhinho ("Good Old Man"), or Pelznickel ("Nick in Fur" or "Jungle's Santa Claus").
Santa is a very generous man who loves children and giving presents to them at Christmas.
Finns call santa Joulupukkijoulupukki :)
In Scotland, people say Bodach na Nollaig (Scots Gaelic: "Old Man of Christmas").