Yuriko Yamaguchi (山口 由里子, Yamaguchi Yuriko?) (born November 21, 1965) is a Japanese seiyū who was born in Osaka. Previously affiliated with 81 Produce, she is presently (as of August 2006) employed and represented by Vi-Vo. She is best known for her role as Nico Robin on One Piece and Nurse Joy in Pokemon. Her voice acting coach was the late Hitoshi Takagi. Her hobby is overtone singing. Her nickname is "Yuruko". Yuko Kobayashi is currently filling in as the voice of Nico Robin and Kikuko Inoue is currently filling in as the voice of Nurse Joy while Yamaguchi is on maternity leave. Her blood type is B.