Princess Leia Organa is part of the Royal Family of Alderan well, what's left of it. While on board her Corelian Corvette she was captured by Strom Troopers. She was held in the dentention center, when Luke and Han Solo rescued her. She later went on and eventually married Han.
Han Solo was originally a smuggler. He was born Corelian. He owns the Melenium Falcon that he won from his good friend Lando Calrissian in a game of High Stakes. This is a picture of him in Carbonite when he was shiped to Jabba's Palace.
R2D2 is a Astromech droid that is the property of Luke Skywalker.He and his "friend" C3PO were the key droids in the destruction of the Death Star. R2D2 carried the technical read-outs of the battle station.When it was analyzed a weakness was found. That's how the Rebellion got to destroy the Death Star.