Kai Christophe Wong
Kai or k as u guys say it
Not sure. You have to trace their family tries. Probably from long ago. The Wu were the descendants of imperial concubines, while the Wongs were the descendants of the Emperor.
Kristen
not your name. his name is Kai- as in K-I. Kai. NOT Kia. Kai.
Chinese
Kai Lehtinen's birth name is Kai Antero.
Kai Schmidt's birth name is Kai Boerge Schmidt.
Kai Kokko's birth name is Kai Erik Kokko.
Kai Winding's birth name is Kai Chresten Winding.
Kai Pantano's birth name is Imran Kai Pantano.
Kai Nieminen's birth name is Kai Tapani Nieminen.