After the success of Korean hit drama series "Guardian: The Lonely And Shining Goblin", Gong Yoo who played the role of Goblin himself, is rumored to be appearing as a guest on one of his co-star, Lee Dong Wook's fan event.
Lee Dong Wook and Gong Yoo appears to have similar schedules for their fan meet around Asia, sparking speculations that they might guest in each other's fan meet.
