The eight characters are Wuzi, Dingsi, Xinhai and Yiwei
The Five Elements: Earth, Water, Fire, Metal, Water, Wood, and Earth
The eight characters are weak, and they like "gold". It is best to use the five elements attributes for naming. The word for "gold".
The five elements of this life are fire; the sun dominates the heavenly stem and is gold.
Your surname is earth, and if it is black, it will be earth, fire, and gold.