Is Peyton Manning the greatest quarterback who's ever lived? He has the awards to back it up, but his accomplishments and fame go beyond that. He made "Omaha" into a household name. He made people laugh as a Saturday Night Live host and in commercials. He won one Super Bowl, and played in two others. He donated lots of money for an Indianapolis children's hospital. And when everyone thought his career was over because of a herniated disc in his neck, he proved them wrong with yet another NFL MVP performance. Why has Peyton Manning been so good for so long? Let's take a look.