The character Blue was originally conceived as a cat, and the name of the show was to be "Blue's Prints," but the show's name was changed and Blue became a dog because Nickelodeon was already producing a show about a cat.
Karakter Blue awalnya dibuat sebagai seekor kucing, dan nama acara tersebut adalah "Blue's Prints," namun nama acara tersebut diubah dan Blue dijadikan seekor anjing karena Nickelodeon segera membuat sebuah acara tentang seekor kucing.