Washu Hakubi (白眉 鷲羽, Hakubi Washū), the greatest scientific genius in the universe, is a key character in the Tenchi Muyo! metaseries. Like the other. Jump to Ryoko Hakubi - Ryoko (魎呼, Ryōko) is a key character in the various Tenchi Muyo! anime series by AIC. While details of her character differ Species: Synthetic composite being: Goddess/.