Katniss Everdeen is the main character and the narrator of the Hunger Games trilogy. After her younger sister, Primrose, was chosen to participate in the 74th Hunger Games, Katniss volunteered to take her place as the female tribute from District 12.
Her acts of defiance against the Capitol in the arena led the people of Panem to view her as the face of the rebellion. She later became what was called "The Mockingjay," and led the rebellion to victory against the Capitol, ending a 75-year-long oppression.
Peeta Mellark, a baker's son from District 12, is one of the main characters of the The Hunger Games trilogy. He is a very compassionate person and is good with words. He has been in love with Katniss Everdeen since the age of 5, but never confessed his feelings until he was reaped alongside her for the 74th Hunger Games. He and Katniss play out a romance in the arena in order to garner sponsors and manage to both become Victors by tricking the Gamemakers.
Although his feelings are genuine, he is hurt to discover that Katniss' were not entirely. He and Katniss become friends despite the fact that they are forced to use their fake romance to both placate and subvert the Capitol during their Victory Tour and the 75th Hunger Games. At the end of the 75th Games, Peeta is captured by the Capitol and hijacked to believe that Katniss is an evil muttation. He manages to fall in love with her all over again during the end of the war and the years afterwards. Eventually, Katniss realizes that she is in love with him also, and they have two children. [Source: wiki]
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