Kikuo is a pioneering Japanese electronic artist and globally popular Vocaloid music producer. Known for his boundary-breaking approach, Kikuo has been captivating audiences with his innovative use of Vocaloid technology and experimental music since he began sharing his original works online in 2003. Embracing the singing-synthesizer software Vocaloid and its avatar Hatsune Miku in 2010, Kikuo quickly stood out for his genre-blurring sound, unique melody layering, and the juxtaposition of bright music with often cryptic lyrics. He also pushed the artistic capabilities of Vocaloid to the edge, revealing new ways that synthesized voices could be deployed in 21st century music.