Today marks Conan O'Brien's 49th birthday! For nearly half his life, O'Brien has been in front of television cameras -- he took over "Late Night" when he was 30 years old -- and America is all the better for it.
Here are 19 videos of Conan being awesome over the nearly two decades he's been hosting a talk show. From memorable moments on his own shows to appearances on others, Conan has rarely failed to make us laugh consistently. Vote for your favorite!