Takaya Yamauchi (山内 圭哉, Yamauchi Takaya), born October 31, 1971, is a Japanese singer, actor, and voice actor. He is a native to Osaka and his bloodtype is AB. He is famous for starring in the live action film, MacArthur's Children. He is also known for entering the Lilly Putt Army with Ramo Nakajima. He was also a member of the bands Piper, The Jizz Monks, and heta 77. He is currently active in theater.