PIKO is a Japanese singer. He is a popular singer on / Nico Nico Douga a Japanese video sharing site. He is called a Ryoseirui which means that he has the range and tone of both a male and female. He debuted as an indie singer in 2007 when he uploaded a cover of Hatsune Mikus Melt onto Nico Nico Douga. He signed with Ki/oon Records a subsidary of Sony in 2010 and will now face the challenge of being a major singer. He was born in Hyogo Prefecture.