Ninja Steve is a minor character that appears in WarioWare Gold. He works for the Department of Ninja Licensing at the Diamond City Castle, and his job is to guide ninja learners, such as Kat & Ana, to their tests. He appears at the end of Kat & Ana's story, after they pass the Gourmet Master test. He reveals that he was in the restroom when they arrived, then tells them that he is about to start teaching.