Who sings in the band Tokio Hotel, Bill Kaulitz, Cristina Scabbia or both?
Bill Kaulitz Bill Kaulitz (born September 1, 1989), also known mononymously as Billy (stylized as BILLY) for his solo act, is a German singer, songwriter, voice actor, designer, and model. He is best known for his work from 2001 to the present as the lead singer of the band Tokio Hotel.
Kyogo Kawaguchi Kyogo Kawaguchi (born October 1, 1974 in Sano, Tochigi) is a Japanese singer-songwriter. He is currently working with "Chikyukyoudai" ("World Siblings"). His notable works include "Sakura" and the album "Hibi Sansan".