ok...well the h2o girls are cleo sertori,rikki chadwick,emma gilbert,kim sertori,and charlotte. 夏洛特 comes in the 2nd season but oh well!cleo and kim are sisters as 你 can tell,rikki is the poorish one on the 显示 =( emmas boyfriend in season1 was byron and in season2 it was ash, rikkis boyfriend is the rich zane aka (the badboy)and cleo and 夏洛特 both dated lewis but lewis dumps 夏洛特 and get bakc together with cleo in the ending of the 2nd season,oh! and 夏洛特 becomes a mermaid because she thought that if her grandma was one than she should be on too!then she gets this weird idea that she is sooooooo better than emma,cleo,and rikki!and well kim is just a brat! =)ok... well thats it! =)