What is the crown on a person's name?

I recommend some nice names for your reference. I hope you like them:

Boy: Wei Jia; Yu Jia; Violent; Zhize (Ze: wide-area water source); Book culvert; Han Zhe (with extensive knowledge);

Girl: Yafu (elegant, like hibiscus); Yan Xinyan: in ancient times, it refers to talented and virtuous people: happy and happy; Wen Han; Feng Shuo; Habitat; Outstanding;

The name is not only a code name, but also beneficial to the baby's life. I hope to take it seriously and get a good name: taiji fish named fortune-telling network.