Zatsune Miku is a variation of Miku, commonly attributed to risque or sexy elements. Her surname Zatsune means "Noisy sound". Zatsune Miku, in Japan, used to be a parody character as an evil Miku or an anti-Miku attacker android. She had gray skin color and looked menacing. However, she is all but forgotten in Japan, whereas in the overseas community, she's treated as a risque Miku, still evil, but in a rather different way. While Zatsune Miku has songs made to her name, she does not have any noticeable variation to the original, other than the fact that she sings risque songs. Some users use pitch manipulation to change her voice to be deeper. She is more popular in fanarts than in covers or songs.
Being a risque Miku, she surprisingly does not have that much r-18 art.
In Japan, she is amongst the many forgotten Vocaloid fanmades.