Would you guess by looking at her that Washu is 20,000 years old? Possibly even older? It's true. One of the oldest beings in the universe, Washu is also one of the smartest. In fact, Washu a super genius and maverick inventor who is obsessed with learning, creating new devices and making new discoveries. Washu has built energy weapons and even mastered inter-dimensional travel. The pink-haired scientist can become so focused on her work that sometimes she ends up viewing life as one big technical experiment. In Tenchi Muyo, Washu is Ryoko's mother and treats her just like a child.