Related Information for Megpoid Gumi GUMI is an official mascot character of Megpoid (メグッポイド) which is a singing synthesizer application software powered by Yamaha's Vocaloid2 and was published by Internet Co., Ltd. Megpoid was voiced by Megumi Nakajima and released on June 25, 2009. It comes with 3 demo VSQ files, "Happy Birthday", "be MYSELF" , and "Hitori Yurari"."be MYSELF" is an original song by Nakajima and it had also, previously been covered by Meiko Sakine. The voic.. read more