Charles DiLaurentis

Charles DiLaurentis is the half brother of Alison DiLaurentis and Mona Vanderwaal. He is also the twin brother of Jason Dilaurentis in Pretty Little Liars. He is the leader of the A-team and is called Big A. Big A is the mastermind behind the bullying and blackmail of the Liars. His main goal was to ruin the Liars lives.