Humbert Humbert (ハンバート ハンバート) is a Japanese acoustic folk duo formed in 1998 in Tokyo, Japan. The members are husband and wife Ryôsei Satô (佐藤良成, vocal and guitar) and Yûho Sano (佐野遊穂, vocal and harmonica). Their songs have roots in folk, Irish, country and Japanese children's songs. Humbert Humbert released their first album in 2001 titled "for hundreds of children". They were signed to a major label, Midi, in 2003.