He was born in Hyogo Prefecture, Japan on March 11th, 1988. His earliest known involvement with music was as an amateur vocalist when he was a high school student, and with his mother's advice, Piko posted a Vocaloid fandub song on Nicovideo and the song received fame. In September 2009, he made his debut as an independent singer, and this led to the contract with Ki/oon Records (read as "Kyuun Rekoudo"), a subsidiary company of Sony Music Entertainment Inc. in March, 2010. His artist name, Piko, is the namesake of a pet dog he had.
In Japan, he is known as 両声類 Ryouseirui, an artificial word from the word of the same pronunciation 両生類 (amphibian) and meaning "both-vocals-species". This is because he has the ability of producing both masculine and feminine vocal tones.
His logo is ﾋﾟωﾟｺ, where the katakana ピコ (Piko) are included. His logo is similar to Sekihan's.
PIKO often uses a handdrawn mouse named Pikochu, with the following face as his trademark image, ﾋﾟωﾟｺ. This mouse can be seen as a representation of PIKO in several of his NicoNicoDouga song covers. He has many plush toys, puppets, and, oversized pillows in the likeness of his trademark mascot.
The official English romanization is "PIKO". As stated in an entry in his blog.
He says his favourite anime character is K-ON!'s Hirasawa Ui on the NND Live broadcast on 12.18.2010.
He is often known for singing with Sekihan and various other Nico Nico singers.
Sekihan and Piko occasionally add comedy into their covers.
Piko has 5 major singles; Story, Wasurenagusa, Sakurane, Yumehana, Emiiro Refrain and Make My Day.
He has released two albums so far, 1PIKO (May 11, 2011) and 2PIKO (May 30, 2012).
Piko is also a vocaloid producer. As a vocaloid producer, he goes by the name ChuutoroP
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