Matsuko Mawatari (馬渡松子) is a Japanese songwriter. She is known for having written "Hohoemi no Bakudan" (Smile Bomb), which is the opening theme for the anime Yu Yu Hakusho. She also sang a few other songs from the same anime, and such are: Sayonara Bye Bye, Homework ga Owaranai, and Daydream Generation. <a href="https://www.last.fm/music/%E9%A6%AC%E6%B8%A1%E6%9D%BE%E5%AD%90">Read more on Last.fm</a>. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.