vocaloid

Meiko is a humanoid persona voice by a singing synthesizer application developed by Crypton Future Media, headquartered inSapporo, Japan. They use Yamaha Corporation's Vocaloid singing synthesizer technology. Her voice is sampled by Meiko Haigo. She has performed at live concerts onstage as an animated projection. Many songs have been created with her.

The name of the character comes directly from her voice provider's name, "Haigo Meiko". Meiko's codename was "Hanako" it likely came from "Yamada Hanako", a placeholder name for female characters, and the Japanese equivalent to "Jane Smith". "Megumi" was also a name considered during her development.