Little Mermaid – Broadway explains the visual magic that will be used to help characters swim in the Mermaid musical. “The ‘roller skating concept’ is indeed what they are doing. Puppets are being used from a Japanese art style,” writes the site’s source. “Disney did a Mermaid show in Tokyo at their theme park and used that style of puppets for their production of Finding Nemo at Disney World in FL. It will be unlike the Lion King puppets and more of its own style”