DECO*27 (デコ・ニーナ, pronounced “Deko Niina”) is a VOCALOID song producer and utaite from Fukuoka, Japan. He has been producing Vocaloid music since 2008 and has been popular ever since. He is known for producing songs with Hatsune Miku and Megpoid Gumi. Some notable works are “Rabbit Hole” and “The Vampire”.