: A former underground idol who acts sweet in public but is bossy and foul-mouthed behind the scenes. She fuels Rabbit Two.
: The protagonist and pilot of Shark One. He works as a host to pay off a massive family debt and is initially cynical and hollow. He eventually finds his spark again by motivating the Battery Girls. Gyakuten Sekai no Denchi Shoujo
: Shinkoku Nippon invades with giant robots called Garann and gas weapons called Genmu . : A former underground idol who acts sweet