小山田圭吾

Keigo Oyamada , also known by his moniker Cornelius , is a Japanese singer, songwriter, and record producer who co-founded the indie pop band Flipper's Guitar in 1988. Following their breakup in 1991, Oyamada pursued a solo career. He is regarded as one of the principal figures of the 1990s Shibuya-kei music and art scene.