For detailed information about this series, see: Flo on Wikipedia
The (unofficially called) Flo series, is a series of commercials for the Car Insurance company Progressive starring Flo, an enthusiastic cashier. Since the commercials feature fictional characters, places, and story, this is considered a fictional series.
Flo was introduced in commercials in 2008 and over 100 commercials were produced starring the character. Some introduced other supporting characters and occasionally expanded upon the character's background, most notably the 100th commercial introduced the other members of Flo's family.
An online game starring Flo, called Flo: Minion Nation was also released in 2013 to promote the movie Despicable Me 2.
Some merchandise based on the characters was also released.