Tonio is an English VOCALOID developed and distributed by Zero-G Limited, and was released for the VOCALOID2 engine.
This VOCALOID has no official avatar and instead there are fan interpretations using the stock photo of a male model on the software box. However, his Taiwanese appearance was illustrated by Taiwanese artist, Akru. This appearance is based on an oni, he has light brown hair, beard, and blue eyes. He wears a tuxedo-like outfit and holds a microphonecane.
