This 80sTees.com exclusive Ghostbusters t-shirt shows a locked gate, and the shirt reads I Am The Gatekeeper. In the 1984 classic Ghostbusters, Zuul was a demigod known as the Gatekeeper Of Gozer. Zuul appeared as a Terror Dog and possessed Dana Barrett. Dana's neighbor, Louis Tully was possessed by Vinz Clortho, the Keymaster of Gozer. Everyone will know that there is only Zuul when you wear this 80sTees.com exclusive I Am The Gatekeeper Ghostbusters t-shirt! Fun fact: On page 82 of Tobin's Spirit Guide, it is mentioned Vinz Clortho and Zuul are the most powerful members of their race. You are the Gatekeeper. We also have the Keymaster shirt !