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.