Conan O'Brien fans line up outside the Chicago Theatre for the taping of his first show. Caleb Jackson, 23, of South Bend, Ind. came with his fiance Grace Holmes, and showed off his Conan style. | Rich Hein~Sun-Times

Conan O'Brien fans line up outside the Chicago Theatre for the taping of his first show. Senthil Swamy, (from left) 25, Ahsan Saiyed,28, Kunal Gondalia,28, and Mila Malhotia,25, brought an extra shirt for Conan. | Rich Hein~Sun-Times

Chicagoans Kristin Andersson, (from left) 22, of Lakeview, Jacob Pilcher, 23, and Dana Morgan, 22. " I won tickets initially for my ex. But he dumped me and I found out the week after, so i invited my friends," Morgan said."I bet he wishes he didn't dump me." | Mike Thomas~Sun-Times Media

Columbia College student Moe Hunt, 20, dressed as the Conan character "The Flaming C." "My boyfriend says he can't even look at me [in costume] because I look so much like Conan," she said. | Mike Thomas~Sun-Times Media

Barb, Ed, Caitlin and Kelly Safiran of Neponset, Ill ."Conan seems like a real person," Ed Safiran said. "I could meet him on the street and we'd just be silly together. | Mike Thomas~Sun-Times Media

Columbia College Journalism student Jordan Banks, 25, and Web developer Glenn Turner, 34, of Chicago. | Mike Thomas~Sun-Times Media

Conan O'Brien fans line up outside the Chicago Theatre for the taping of his first show. | Rich Hein~Sun-Times

Conan O'Brien fans line up outside the Chicago Theatre for the taping of his first show. They were entertained by a dancing Just For Laughs mascot. | Rich Hein~Sun-Times

Conan O'Brien fans line up outside the Chicago Theatre for the taping of his first show. | Rich Hein~Sun-Times

Conan O'Brien fans line up outside the Chicago Theatre for the taping of his first show. | Rich Hein~Sun-Times

Sidekick Andy Richter (from left), guest Andy Samberg and host Conan O'Brien on an episode of the TBS show "Conan" taped at the Chicago Theatre on June 12, 2012.