Who or what is Hannah Montana?

Hannah Montana is played by Destiny Hope Cyrus currently called Miley Ray Cyrus. The show aired in mid 2005, when Miley was about 12ish. She is popular among young children, most young girl teenagers envy or dislike her. She is 15 right now and does some grown up things. Anyway, she has her own band, clothing line, etc. Mostly everyone knows her. She appears on Disney channel. The main characters in Hannah Montana are (most popular to least) There are shows that Hannah Montana do like Hannah Montana live in London.