No, Katniss is the official Mockingjay, Rue inspired the revolution, but Prim started it. If Prim hadn't gotten picked Katniss wouldn't have volunteered then she wouldnt have met Rue who sparked the Mockingjay.
Hunger Games, behind the scenes- I love this film that little bit more than you because I know what a great bond all of the actors ( kids) had - famous and well known actors have told the cats of THG to treasure the experience
“What I need is the dandelion in the spring. The bright yellow that means rebirth instead of destruction. The promise that life can go on, no matter how bad our losses. And only Peeta can give me that.” excuse me while i cry