His personality is defined by an aggressive demeanor and a burning desire to be the best, which often manifests in loud, abrasive behavior. Despite this, he is exceptionally talented and intelligent, consistently ranking high in both practical and theoretical aspects of hero training. Katsuki is a young man of average height, with a slim, muscular build, and a fair skin tone. He has short, spiky, sandy blond hair with choppy bangs that hang over his eyebrows. His eyes are sharp and bright red.