Ryuuto is a Japanese VOCALOID developed and distributed by Internet Co., Ltd., and was released for the VOCALOID2 engine.
Licensed as Gachapoid (ใฌใใฃใใใคใ), he is voiced by seiyuu, Amemiya Kuniko. His appearance is based on the beloved green dino Gachapin of Hirake! Ponkikki.
Do not tag Gachapoid images as Gachapin or with Hirake! Ponkikki unless said character and theme are blatantly present within the image. Same goes for tagging Gachapin as a VOCALOID.