鏡音レン (Len Kagamine) and メグッポイド (MEGPOID/Gumi) are VOCALOID. VOCALOID is a singing synthesizer application software developed by the Yamaha Corporation that enables users to synthesize singing by just typing in lyrics and melody. Len Kagamine (鏡音レン; Kagamine Len) is the second installment of the VOCALOID Character Vocal Series. His seiyū is Asami Shimoda, same as Rin Kagamine (鏡音リン; Kagamine Rin) as they come in a package together. メグッポイド (MEGPOID/Gumi) is a Vocaloid character released on June 25, 2009. Her seiyū is Nakajima Megumi. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.