Genevieve Hannelius (born December 22, 1998), known professionally as G. Hannelius, is an American teen actress and singer. She played the role of Emily in Den Brother, a Disney Channel Original Movie also starring Hutch Dano. She is also known for her co-starring role as Amy Little on Leo Little’s Big Show. Hannelius is the new voice of Rosebud in the Air Buddies movies. She played Jo on Good Luck Charlie. She currently stars as Avery Jennings in the Disney Channel sitcom Dog with a Blog. Hannelius also starred in the Disney Channel show Sonny With a Chance as Dakota.