: The main antagonist and a leader of a group of thieves. He possesses a Metal Manipulation Quirk and is secretly aided by All For One, who provides him with a Quirk-amplifying device.
: All Might’s former sidekick from his younger days in America. He is a world-renowned scientist and the inventor of All Might’s hero suits. Boku no Hero Academia the Movie 1: Futari no He...
: David’s daughter and a brilliant student scientist. Like Deku once was, she is Quirkless , which allows her to bond deeply with Midoriya. : The main antagonist and a leader of a group of thieves
: It allows Midoriya to harness 100% of One For All without his bones shattering. she is Quirkless
A significant plot element is the , a mechanical arm brace invented by Melissa Shield .