Saikyuu is a middle-aged man with slick dark hair, fu manchu mustache and glasses. He dons the standard Imperial uniform which consists of a white shirt with a necktie and a leather jacket.
Najenda described Saikyuu as a man of great ability and even darker temperament.
During Night Raid's final mission, Najenda placed a high priority on his head and ordered for him to be dealt with extreme prejudice.
- Saikyuu's named after a villain from the Water Margin novel.