Hatsune Miku
, sometimes referred to as Miku Hatsune, is the name of a Vocaloid software voicebank developed by Crypton Future Media and its official moe anthropomorph, a 16-year-old girl with long, turquoise twintails. She uses Yamaha Corporation's Vocaloid 2, Vocaloid 3, and Vocaloid 4 singing synthesizing technologies. She also uses Crypton Future Media's Piapro Studio, a singing synthesizer VSTi Plugin. She was the second Vocaloid sold using the Vocaloid 2 engine and the first Japanese Vocaloid to use the Japanese version of the Vocaloid 2 engine. Her voice is modeled from Japanese voice actress Saki Fujita. Miku's personification has been marketed as a virtual idol and has performed at concerts onstage as an animated projection (rear cast projection on a specially coated glass screen).
V Flower
The Vocaloid is a female vocal with a powerful, androgynous voice designed to specialize in rock music. v flower has some distinctive traits within the vocal not found in many past VOCALOIDs. The vocal allows her to have the reserved female tone needed for slow rock songs yet have the heavy sound needed for faster and more upbeat rock. She debuted in HoneyWorks' song "Inokori Sensei," which was uploaded on April 17, 2014.