Matt Sloan signed photo and index; obtained through the mail and purchase. Mr. Sloan worked on the Star Wars video game: Star Wars: The Force Unleashed as the voice of Darth Vadershe was a co-designer; he also appeared in Star Wars: Episode II: Attack of the Clones where he was Plo Koon, but also lead animatronics foreman and Star Wars: Episode III: Revenge of the Sith in which he was Plo Koon and droid unit: animatronics technician. He also worked on the video game: Star Wars Empire at War: Forces of Corruption which he was Darth Vader.