Han Bangbang has a four-word name.

Zhang Han Xue Rui. . . Han Yi Xuan. Han Ziqing. . , Zhang Lin, Han,

Han Panbei, Han Feiqing

Han Yanling,

Han xixue

Han yangjing

I have to say, it seems that in some places, four-word names cannot be registered unless they are compound surnames. . . . . . . .