Mavis Fan (Chinese: 范曉萱; pinyin: Fàn Xiǎoxuān; born (1977-02-27)27 February 1977) is a Taiwanese pop singer who also plays the flute and piano. She's also known as 'Bo Bo' or 'Little Witch'.Mavis began her singing career in the mid 90s as a pop idol, singing songs catered mostly towards children and young teenagers. For example, the lyrics to 'Health Song' encouraged daily exercise and was accompanied by a music video in the style of a fitness video.