From Taito. Histone Mike is a Singing Synthesizer app with a female persona, developed by Krypton Future Media. It uses Yamaha Corporation's Vocalic 2 synthesis technology. The character's name comes from a fusion of the Japanese for first (hats), sound (ne), and future (Mike, usually read as "moray"), referring to his position as the first of the "Vocal Character Series of Krypton."