Simplify the following text for a Grade 8 native English-speaking person.
Original: Jason Daniel Earles ( born April 26 , 1977 ) is an American actor , known for his role as Jackson Stewart on the television series Hannah Montana and his upcoming role as Sensei Rudy in upcoming new Disney XD series Kickin ' It .
Simplified: Jason Earles ( born April 26 , 1987 ) , is an American actor who is best known for playing the role of Jackson Stewart in Hannah Montana .