She is an Amazone who is bound to marry Ranma-kun(boy) and kill Ranma-chan(girl), because of her law tribe.
When Ranma was a girl, he-she defeated Shampoo and when he was a boy he also defeats Shampoo.
According to the law, when a girl defeats another she has to kill her, but when a guy defeats a girl, she has to
marry him. Shampoo change into a cat when splashed with cold water and the bad thing about it is that... Ranma is scared of cats.
