Ryōtarō Okiayu

Ryōtarō Okiayu (置鮎 龍太郎 Okiayu Ryōtarō?, born November 17, 1969) is a Japanese voice actor and singer affiliated with Aoni Production. He voiced Nero the Sable in Dirge of Cerberus -Final Fantasy VII-.

Background
He is best known for voicing Zero in every single Mega Man X games(crossover games as well), Treize Khusrenada in Mobile Suit Gundam Wing, Hirota Honda in Toei's series Yu-Gi-Oh! and Lee Chaolan in Tekken series. He also voiced Terra from Kingdom Hearts: Birth By Sleep and Setzer Gabbiani in Kingdom Hearts II (Another series by Square Enix).