Romanji (Or literally Santa-san) Lol, weird huh?
Since japan is not a Christian country, they do not have an equivalent of Santa Claus. The Christians living/residing in Japan simply call him サンタ クロース. It is pronounced: Santa Kurōsu.
Santa Claus is spelled サンタクロース in Japanese and it is said like this, Santakukoru. サンタクロース (santakuroosu)
Santakurōsu
Santakukoru is Santa Claus in Japanese
In Japanese, Santa Clause is translated to Santakukoru.
You may say 'santa kurousu,' written: サンタクロース
They call him Santakukoru.
3. The Santa Claus, The Santa Claus 2, and The Santa Claus 3: The Escape Claus
Karen was santa Claus wife in santa Claus
They call Santa Claus in Finland Joulupukki.
サンタ クロース (pronounced Santa Kurōsu)
Finlandhe is called joulupukki in France