Born in Kanagawa Prefecture, he made his singing debut in 2006, and subsequently released six singles, including "Geki Maji Mukatsuku", "1000% So Zakune", and "ChristMaster".
Before he officially changed his name, he was in a comedic duo with Kōsuke Takeuchi; their skit was called "Abare Nanchaku" (Raging Nunchucks).
He was also known as Sukeban Kyoko—a persona characterized as a delinquent schoolgirl always seen carrying a shinai bamboo sword. He appeared in the TV comedy show Enta no Kami-sama, a comedy show.
In 2010, he launched a band, in which the members all cross-dressed.
Saito died after being involved in a traffic accident on October 5, 2013, aged 37, on the Chugoku Expressway in Mine, Yamaguchi, while en route to a concert in Kumamoto Prefecture. He was hit by another car and killed when exiting his car after a slight collision.
- Yasuo Saitou at
- Yasuo Saitou at Wikipedia
- Yasuo Saitou at Wikipedia (Japanese)
- Yasuo Saitou at Anime News Network
- Official blog