Zynga first introduced characters to its games with FrontierVille. Now, the game features a sprawling storyline in which characters interact with each other and you're the mediator of sorts. Naturally, the developer took the positive reception of characters on the frontier and applied that to its biggest hit yet, CityVille. The game features quite a lot of characters, most of which have become to center of your Goals in the game. Some guide your way to the coveted mayor's office every step of the way while others simply ask for favors every now and then, so this guide is to inform you of the who's who in the city.