GUMI is a virtual singer and character created by the Japanese company Internet Co., Ltd.. She is part of the Vocaloid software family, which allows users to synthesize singing by typing in lyrics and melodies. GUMI's voice is based on a real singer, and she is known for her versatile vocal range and expressive singing style. First released in 2009, GUMI quickly gained popularity among music producers and fans alike. She has appeared in numerous songs across various genres and has a distinctive green hair design. GUMI is often featured in anime and manga culture, contributing to her status as an iconic virtual idol.