As mentioned above, you cannot use special symbols to name names in the game unless the private server website has a name change function! !
But there are some symbols and traditional Chinese characters in MU that can be used
The common ones are 丶,灬,_
_,丿,|,艹,疒,阝,耀,^_^,^0^,
Well, I will marry you
_菜茑_
Ouyang Xian Feifei