Katsuki is hot hunk, cold, grumpy, has a scowl, hot headed, loud mouth, secretly a need and clean freak and introvert, has jerk cocky facade but knows what's right and wrong, doesn't like the obsessed crazy fangirls, focused on his goals, loyal, smart, intelligent, has death stare most of the time, doesn't like to be vulnerable or betrayed so doesn't let anyone close most of the time, good friend to his best friends, mocks and jokes but knows when to stop