I hate to be cliche, but probably Thea because of how real her character was and the decisions she made seemed like something an actual person would do. Also her character development is amazing! I love it so much. Then again I really like Jonah just because of how comedic he is and how he really brightens up the story and makes it less gloomy at times. It would definitely be a different book without him in it. I also really like Violet just because she also seemed pretty real as well. The things she did definitely seemed like something that anyone that was jealous would do.