Miku Hachune

Miku Hachune (はちゅねミク Hachune Miku) is reconized as a famous official derivative of Hatsune Miku. Hachune (はちゅね) is a mispronunciation of Hatsune, which shows her childishness and generally silly disposition. Often seen in videos as a blank-eyed doll-like figure with a gaping mouth.