From the PlanetXbox360.com feature editorial:
"Video Games have existed just a bit longer than I've been alive to play them (a sentence that will surely date me in the eyes of my audience). But since their inception into the world and over the expanse of time into our popular culture, there have been franchises that have received multiple iterations and have 'changed with the times', so to speak. Most notably would be Mario, Nintendo's lovable plumber who has rescued Princess Peach on more occasions than I care to remember. Over the years we have seen other characters such as Sonic and Master Chief grow into characters that are shaped over series of games, both good and bad. For the most part, these are franchises that have remained fresh and interesting out of the sole fact that they've stuck with the mechanics that made them fun in the first place."