Matthis is a noble knight of Macedon. Though he would prefer to avoid bloodshed, he had no choice but to take up arms. Initially enlists in the Macedonian army against his will, later defecting to Marth's army on his sister Lena's urging. Matthis has an acute distaste for war and violence, preferring to lead a life of idle tranquility. He is rather cowardly and timid, preferring to preserve his own personal safety and well-being over fighting for the honor of his country.
