Biography
"Straw Hat Pirates" refers to the actual voice actors used in the "One Piece" anime, as opposed to the original artist. They are, as follows: Mayumi Tanaka (voice of Monkey D. Luffy), Kazuya Nakai (voice of Roronoa Zoro), Kappei Yamaguchi (voice of Usopp), Ikue Ohtani (voice of Tony Tony Chopper), Akemi Okamura (voice of Nami), and Hiroaki Hirata (voice of Sanji)
Biography text from Last.fm, available under CC BY-SA.