Heroes in "The Odyssey."

Are there actually heroes in the world? If so, why do they exist? I believe that no one person in this world can be plainly labeled as such because humans are tremendously complex and irrational which is the root of nearly all evil. There has never been nor will there ever be one being (excluding Jesus) that has ever been entirely good with a complete void from evil. By this I mean no one is one hundred percent heroic and virtuous; the closest we can get is ninety-five percent for everyone has sinned numerous times in their lives, including those like the Pope. We all do evil, many ti…