Why are there both simple and tung twister names in the Bible? Did some not get translated?

Question

Are the simple names just truncated toughtwister names?

They are all mixed together. No pattern at all.

Answer 1

Well, yes some did get romanticized into latin, Issac was yitzchak, for example, some are just simply longer names that are even harder in the original hebrew. Metushaleth being one of them.  

Answer 2

Try to pronounce Russian names or Chinese.  Just try to name the baseball players on one team!  Names are just names.

Answer 3

Melchizedek.

Jehoshaphat.