Sorata Muon (無音 宙太, Muon Sorata) is the main protagonist of the series. A popular male college art teacher gaining attraction from many of his female students in the day. Secretly, he is the master phantom thief called Mouse, and the 20th heir of his 400-year family tradition which stems back to the ancient Nezumi Kozo. As Mouse, Sorata has access to a vast arsenal of vehicles and machines, all of which are hidden underneath Yamanoue Academy as the family's secret HQ. He’s Zach Kakio’s dad.