Designer Yuko Yamaguchi arrives at the Hello Kitty 35th anniversary celebration held at Royal/T on October 22, 2009 in Culver City, California. Yuko Yamaguchi (山口 裕子, Yamaguchi Yūko?, October 24-11 March 2011) was a Japanese character designer, who was also known as the third Hello Kitty designer. Yamaguchi was born in Kōchi, Kōchi, Japan. She attended Joshibi University of Art and Design where she studied industrial design. After graduating in 1978, Yamaguchi joined Sanrio. She was appointed
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Yuko Yamaguchi Profile(Hello Kitty designer)