Change payee name google adsense / First And Last Payee name

In adsense we have to mention appropriate payee name what is in our bank account,so we have to enter it carefully.But some problems are there in providing payee name for people those who have single word as their name,which mean they have only one name (i.e john ) .For such people how to put payee name option in first and second name field is very important.Acceptable first and second names are in google help center but most dont know how to provide their first and second name.

Yes,we can also change their payment details through their account.