Joni North is one of the North children in the film, Yours, Mine, and Ours. She was portrayed by Miranda Cosgrove.
Joni can be constantly seen with her saxphone, she is described as the "rooster" of the house as she even uses it to wake the others up for school. Through, she is barely seen during the movie, she has a rivalry with Phoebe and has a friendship with Kelly. Joni was also the one who caused Otter and Ely to get in the forklift at the store as she threw the ball towards it to distract them.