What are the original names of Miley's brother Jackson and friend Oliver in Hannah Montana?

Hannah Montana(Miley Cyrus): The hottest new generation singer at present.

Miley Stewart(Miley Cyrus): An ordinary girl. She actually has a big secret that no one knows: she is a big star Hannah Montana!

Lilly Truscott/Lola (Emily Osment): Miley's best friend is a wild girl. She is a huge fan of Hannah Montana. When Miley was found to be Hannah Montana, she also put on a wig and Hannah Montana appeared as Lola.

Oliver oken/Mike Standley III (Mitchell Musso): Miley's best male friend. He did whatever it took to chase Hannah Montana. Weak personality, often make jokes.

Jackson Stewart(Jason Earles): Miley's brother. Is a very funny character. I often suffer indignities because I have a star sister. Although his appearance is annoying, he is very kind at heart.

robby ray Stewart (Billy ray Cyrus): Miley's father. Used to be a smash hit singer. Always tell cold jokes.

Rico(Moises Arias): the protagonist of the second season. Jackson's boss opened a shop on the beach. He studied so hard that he repeatedly advanced placement into Miley's class. He is a tiny little guy, but he often plays practical jokes and is annoying.

supporting role:

classic action of April and Ashley Shanica Knowles as Amber Addison: Miley's enemy at school is a bully who is cool in the eyes of older children. Singing is very beautiful, especially worshiping Hannah Montana.

Anna Maria Asahley Dewitt: A follower of Abreu, and she is friends with Abreu on the surface. Her singing is terrible.

Romi Dames as Traci Van Horn: a celebrity friend of Hannah Montana. Her greatest characteristic advantage is nasal sound. She is very annoying for Tracy to sneer at Lola's silly actions. Lola (Lily looks like she wears a wig) often pretends to turn a blind eye to it.

Dolly Parton as Aunt Dolly: Miley's godmother has greatly promoted Miley to become Hannah Montana.

Vicki Lawrence as Mamaw Ruthie: Miley's aunt, who is partial to Jackson and doesn't understand Miley's becoming a star. Because Dolly's godmother stole her boyfriend Elvis Presley, she and Dolly's godmother are still enemies.

Frances Callier as Roxy: Hannah Meng's bodyguard, very strong and conscientious. Hannah Montana has an episode featuring her. Her famous saying is "Roxy's a puma! (Rosie is a jaguar) "and" I have my eyes on you "..."

The new star of the school, Jack Ryan Cody Linley as Jake Ryan: a new student in Miley's school. He is also a movie star and is sought after by many people. In this regard, Miley was very indignant and even had the idea of publishing her identity as Hannah Montana.

Selena Gomez as Mikayla: Hannah Montana's star rival. She always hated Hannah Montana, but she made friends with Miley by chance.

Morgan York as Sarah: Hannah Meng's classmate. Is a little neurotic girl, most afraid of global warming. Her characteristic is to tell a bad news and immediately wave and say BYE~

Greg Baker as Mr. Corelli: Miley's teacher, who taught drama in the first season.