Kei (disambiguation)

The Japanese illustrator known for sketching and designing the Vocaloid 2 characters: Miku Hatsune, Rin/Len Kagamine, Luka Megurine, and Lily. Living in Tokyo as a freelance artists, his popularity has grown among Vocaloid fans. He also contributed to the Sanrio company by creating a Kitty'er character named Rio (who was once thought to be a vocaloid).