1: Who's this?
2: Who's this?
3: Who's this?
4: Who are they?
5: Who's this?
6: Who's this wonderful girl?
7: Who's this?
8: Do you know who this is?
9: How about him?
10: Who are they?
11: How about him?
12: How about him?
13: Who about her?
14: This girl is....
15: How about him?
16: Finally,who's this?