Kamui Gakupo is a male Vocaloid voicebank developed by Internet Co., Ltd. and released in 2008 for VOCALOID2. Modeled after Japanese musician Gackt (also known as Gackt Camui), he features a deep, mature voice capable of versatile singing styles. His design incorporates samurai elements, with long purple hair, a ponytail, and traditional Japanese attire like a kimono and katana. Gakupo is popular in Vocaloid songs and fan works, often depicted as elegant and charismatic. He has been featured alongside other Vocaloids like Hatsune Miku and Kaito in various modules and productions.