Dory is the deuteragonist in Disney/Pixar's 2003 animated film Finding Nemo and the titular protagonist in its 2016 sequel. She is a regal blue tang who suffers from short-term memory-loss and is a bit ditzy.
After saving all toons, Chip and Dale find out about a war between 3D and 2D toons, and that Gorefield is trying to kill everyone, now they must team up with Peter Pan to stop him, it's gonna be a full war.