Dori is a fictional character from the animated film series Finding Nemo and its sequel Finding Dory. She is a blue tang fish known for her friendly personality and short-term memory loss, which often leads to humorous situations. Dori is voiced by actress Ellen DeGeneres and is a central character in both films, where she embarks on adventures to help her friends. In Finding Dory, the story focuses on Dori's quest to find her long-lost parents. Throughout her journey, she demonstrates resilience and optimism, showcasing the importance of friendship and family. Dori's character has become popular for her relatable struggles and positive attitude.