<P> Wren was a member of the A-Team and is one of the helpers to Alex / Uber A. He helped CeCe / Charlotte sneak into Radley with a fake visitors passes to visit Mona and later informs her of Alex's existence . When Alex takes over, he shoots her so that she will have the same scar as Spencer and then later comes to Welby to kill Mona as "A.D." for Alex, only stopping once Mona says she can help get Mary out . Alex kills Wren so that she doesn't have to break up with him in order to get her endgame wishes . Despite Wren being the only person to know almost everything about Alex's game, he doesn't participate much during the actual game, only doing a few things for Alex . </P> <P> Caleb used the identity of "A" to text Hanna in Season 3, in order to trick her into meeting him . He sent her the text "The Apple Rose Grille at closing time . Go alone or Caleb pays . - A" to find out this information from her about the new "A". </P> <P> Shana pretended to be "A" to attack the Liars in New York . She donned a black hoodie and attacked them at the coffee shop, only to end up shooting Ezra instead, who had found out her identity . In the following episode, she continued to hunt down the Liars, and sent a group of black hoodies to trick them . The black hoodies used the alias "A" during their taunting of the Liars . Shana revealed herself to the girls and revealed that she wanted justice for Jenna . The Liars falsely believed that Shana was Big A . </P> <P> During the TV series, the antagonists used various disguises at parties and events, in order to watch over the girls . They are: </P>

Who is pretending to be a in pretty little liars