The Imperial Spy was a Kubaz spy named Garindan who worked for the Imperial Intelligence department. He helped the Sandtroopers find Obi-Wan Kenobi, Luke Skywalker, and those on the Millennium Falcon. However, they had escaped Tatooine. InLEGO Star Wars II: The Original Trilogy, he also appears wearing a Rebel pilot helmet at the celebration at the end of Episode IV's story before being arrested by Rebel Troopers.
Following this, he can be bought and used as a playable character; however, he cannot attack, only talk into his handheld radio.