A lanky, red-headed Irish comedian? Conan O'Brien has to be the only one, right? Nope -- there's another famous Irish funnyman out there who's also well-known. And he happens to O'Brien's cousin through marriage.
BING: What comedian-turned-dramatic actor married into O'Brien's family?
FIND: Did you know Conan's sister was in 'The Fighter'?
SEARCH: Watch Conan's funniest TV moments
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