What's his name？ His name is ...
Who is he？ He is ...
What's her name？ Her name is...
who is she？ She is ...
1) Wat is his/her name?
2) What is he/she called?
3) What is he/she name?
4) Do you know his/her name?
5) What is your name?
what is his /her name?
what does he/she called?