Claim: Kazuko Sugiyama is known by her stage name and is a Japanese actress and voice actress who received a "Merit Awards" from the 4th Seiyu Awards in February 2010.
Evidence: Kazuko Shibukawa (渋川 佳寿子, Shibukawa Kazuko, born April 9, 1947), known by her stage name Kazuko Sugiyama (杉山 佳寿子, Sugiyama Kazuko), is a Japanese actress and voice actress who was born in Nagoya and works for Aoni Production. In February 2010, she received a "Merit Awards" from the 4th Seiyu Awards.