Franklin Nathaniel "Frankie" Jonas (born September 28, 2000) is an American actor, who has a recurring role on the Disney Channel sitcom, Jonas L.A.. His older brothers - Joe, Nick, and Kevin - are in the pop group the Jonas Brothers. He starred in his first solo role without his brothers in Ponyo, with Noah Cyrus.
Frankie is the son of Denise and Paul Kevin Jonas and the younger brother of Kevin Jonas, Joe Jonas and Nick Jonas. Jonas is sometimes referred to as "Bonus Jonas". and "Frank The Tank". He enjoys taking parkour classes, riding his scooter, reading and collecting comic books. He is in a solo band and he himself writes the songs and will release a mini album in 2011