Washu Hakubi is a fictional character from the anime and manga series Tenchi Muyo!. She is depicted as a brilliant scientist and a member of the Kagato family, known for her vast knowledge and expertise in various fields, including technology and biology. Washu has a playful and mischievous personality, often engaging in experiments that can lead to unexpected results. In the series, Washu is portrayed as a small, youthful woman with long red hair and a distinctive outfit. Despite her appearance, she is actually over 10,000 years old, making her one of the oldest characters in the franchise. Her intelligence and resourcefulness play a crucial role in the adventures of the main characters, particularly Tenchi Masaki.