Need a drink? Say hello to Sonic's selection of 50 ingredients, which can be mixed into no less than 168,894 possible drink combinations. Need a guinea pig to test out your newfangled flavor? Say hello to TJ and Pete, the stars of Sonic's long-running TV campaign. Visitors to MakeTJDrink.com (created by agency Barkley Evergreen & Partners) can do just that, selecting their favorite sodas, juices, slushes and real fruit garnishes and making TJ taste the resulting concoction. His brutally honest reactions—often referencing specific ingredients within your drink—are as hilarious as they are varied, making for many minutes of mixing-and-matching fun in an effort to provoke responses you haven't seen before.