Gakupo Kamui, also known as Kamui Gakupo, is a fictional Vocaloid character from the Hatsune Miku series. He is a virtual singer, created by Internet Co., Ltd., characterized by his samurai-inspired attire and long purple hair. Gakupo is known for his deep, smooth voice, which is used in various musical compositions spanning different genres. As a Vocaloid, he does not have a physical presence in the series but exists as a digital persona that fans use to create songs and animations. He is often depicted with a katana, adding to his samurai aesthetic.