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.
Sorting fictional characters by their first names, not including actors or anything. Since somebody has decided to exactly copy this story just know that this is the original, and some people need to get some creativity