Conan O'Brien: Conan O'Brien. Actor: The Lego Batman Movie. Conan O'Brien grew up in a large Irish Catholic family in Massachusetts. At an early age, he developed a love of comedy and goofing off. This carried on when he entered prestigious Harvard University, acting out many pranks in his time, as well as becoming the president of the Harvard humor magazine, the Harvard Lampoon. After leaving Harvard, Conan found his way into...