Real name: 石塚俊明

Japanese percussionist and drummer, born in Tokyo in 1950.
Was a founder member of the ur-punk group Zuno Keisatsu in 1969.
Has released several albums both solo and with his group Cinorama. In addition Toshi has also had long collaborative relationships with Kan Mikami, Kazuki Tomokawa, Kenji Endo and the performance-poet Yasuki Fukushima.
He is currently a member of the groups Vajra (2) (with Keiji Haino and Kan Mikami), and Sanjah (with Mikami and Masayoshi Urabe).