Ava Grace Kolker is an American teen actress and singer. Kolker's roles include Ava Morgenstern on the Disney Channel series Girl Meets World, and Olive Rozalski on Sydney to the Max.
it leads a cast of characters teaching children numbers, colors and the alphabet. Bert and Ernie, Oscar the Grouch and Grover are just a few of the other creatures involved in this show, set on a city street full of valuable learning opportunities.
