The non-Hebrews, or gentiles, most often mentioned in the Old Testament are probably the Philistines. They were a sea-people, believed to have originated on the Greek islands, who arrived in the southern Levant around 1200 BCE.
God.
The colt, donkey ass were mentioned in the old testament.
Abraham is first mentioned in the Old Testament.
Most likely God is mentioned in the Old Testament in what he said and did for His people.
The name is mentioned 26 times in the Old Testament.
The word "Heaven" is mentioned 266 times in the Old Testament.
No
The pyramids are not mentioned anywhere in either the old or new testament.
The hebrew word "Qodesh", (קֹדֶשׁ) often translated as "holy" or "set-apart" is mentioned 470 times in the TaNaKh (Old Testament).
Word Christianity was mentioned in the Old Testament the exact number of times that it was mentioned in the New Testament - zero.
The Bible mentions music primarily from the Old Testament; mostly in the book of Psalms.
It is mentioned in the old testament. The book of Exodus chapter 20 verse 12.