Neito Monoma is a young man of 16 years, with an average height and a lean build. He has short, blond hair and blue eyes. His superpower/"quirk" is Copy, which allows him to duplicate the quirks of others for a limited time after touching them. Monoma has a confident and somewhat arrogant demeanor, often seen boasting and taunting his opponents, but he is also clever and resourceful.

While Eri is a young girl of 6 years, with a small and frail build. She has long, pale blue hair and red eyes. 