Yūko Mizutani was a Japanese actress, voice actress, narrator and singer from Ama District, Aichi. Throughout her career, she worked with Production Baobab, and was working with Aoni Production at the time of her death. Mizutani was best known for her anime voice roles of Sakiko Sakura in Chibi Maruko-chan, Mihoshi Kuramitsu in Tenchi Muyo! and Pinoko in Black Jack. She also portrayed Excellen Browning in Super Robot Wars, Sora Takenouchi in Digimon Adventure, Leina Stol in Machine Robo: Revenge of Cronos, and Sarah Zabiarov and Cheimin Noa in Mobile Suit Zeta Gundam. Mizutani was the official Japanese voice actress for Minnie Mouse, and voiced her in the Kingdom Hearts franchise.

Chibi Maruko-chan is a manga series written and illustrated by Momoko Sakura. The series depicts the simple, everyday life of Momoko Sakura, a young girl everyone calls Maruko, and her family in suburban Japan in the year 1974. Maruko is a troublemaker, and every episode recounts Maruko's trouble and how she and her friends succeed in solving the situation. The series is set in the former of Irie District (入江町), Shimizu, now part of Shizuoka City, birthplace of its author.