Kumiko Watanabe is a Japanese voice actress from Chiba Prefecture. She is affiliated with Arts Vision. Her bestknown roles include Sergeant Keroro in Sgt. Frog , Shippo in InuYasha, Mother in Atashinchi, and Klonoa in Kaze no Klonoa. She married fellow voice actor Kji Tsujitani while working on Inuyasha.
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Source: Wikipedia