Geneviene Hannelius also known as G hannelius she was (born December 22, 1998),[2] known professionally as G. Hannelius, is an American actress and singer. She currently stars as Avery Jennings in the Disney Channel sitcom Dog with a Blog. Prior to this, she had recurring roles in the Disney Channel series Sonny with a Chance and Good Luck Charlie. She has also starred in Leo Little's Big Show and has done voice work as Rosebud in the Air Buddies films.