There is no Hebrew word for Father Christmas. The Christian minority in Israel is very religious, and doesn't normally observe the secular aspects of the holiday. Israelis would just use the expression "Santa Claus" if they needed to refer to this character.
Daddy (father) in Hebrew is Aba (אבא).
There is no Hebrew word for Santa Claus. The concept doesn't exist in Israel.
Hanukkah is a holiday, not a language. You cannot say "Merry Christmas in Hanukkah. That's like asking: "How do you say Merry Christmas in Easter" I think he means how do you say merry Christmas in Hebrew
in this order: ata (you are) aba (father) nehedar (great) .
my father's love = ahavát aví (אהבת אבי)
Father Christmas
Tesh'a (with the A being like in father)
bat av (בת אב)
yom ha'av (יום האב)
Avi hu ha-melech.
av tamid (אב תמיד)
Noel Baba.