Is killua a boy or a girl?

Related questions

1. Is Pitou a boy?
2. Is ging the strongest hunter?
3. Who is stronger than hisoka?
4. What is killua's Nen type?
5. Is hisoka Gon's father?
6. Does gon lose his Nen?
7. Is hisoka related to Gon?
8. Who kills Pitou?
9. What is Jajanken?
10. Is Kite dead HXH?

Tags

1. #butler
2. #hunter
3. #considered
4. #because
5. #estate
6. #anime
7. #their
8. #gotoh
9. #shouted
10. #leave
11. #butlers
12. #needs
13. #alluka
14. #accompanied
15. #female
16. #shown
17. #zoldyck
18. #killua