Ксенос Лэнгли

A strong warrior who works as a mercenary to support his sister Karen. His hometown is Granshill which is where there is a coliseum and yearly tournament. He is gladiator in the tournament and recognized as the strongest fighter in town. He took care of Karen when she was a child and the two have a close relationship. He is boastful and rough and sometimes has vulgar speech. He is protective of Karen and would beat anyone that hurts her. He was a wandering mercenary and then became a gladiator in the coliseum, and is called the "swordsman king". He became a mercenary in order to find his father, because his father was said to be a mercenary too. If he found him, he would beat him in one blow. After his father's disappearance, Karen's mother died from overworking at raising the children alone.

(Source: Growlanser Realm)