His 2D image has a signature appearance of white hair and a barcode on his left cheek. His broad vocal range, spanning well over five octaves, allows him to sing in a high register comparable to some Vocaloid songs with some covers, he has also adopted the name Manunchan ( まぬんちゃん) for his 'female persona', who has an even higher voice. Mafumafu is also popularly known as Nandemoya ( Japanese: 何でも屋, lit. In addition to his solo work, he is a vocalist, lyricist and composer in the music duo After the Rain formed with fellow utaite singer Soraru. Mafumafu ( Japanese: まふまふ, Hepburn: Mafumafu, born 18 October 1991) is a Japanese singer.