Kazuko Sugiyama(杉山 佳寿子Sugiyama Kazuko), née Kazuko Shibukawa(渋川佳寿子Shibukawa Kazuko, born April 9, 1947) is a voice actress who was born in Nagoya and works for Aoni Production. In February 2010, she received a "Merit Awards" from the 4th Seiyū Awards. She is most known for the roles of Heidi (Alps no Shoujo Heidi), Ganmo (Gu-Gu Ganmo), Ten-chan (Urusei Yatsura), Akane Kimidori (Dr. Slump and Arale-chan), and Korosuke (Kiteretsu Daihyakka).