Conan O'Brien is the host of Conan on TBS.  He formerly hosted The Tonight Show and Late Night with Conan O'Brien on NBC.

In season 1 episode 3, Conan is subtly referenced as one of Liz Lemon's ex-boyfriends. Pete calls him "the tall gangly red-head guy, who played guitar all the time."

During an emotional elevator encounter, Conan reveals to the audience that he and Liz had planned to lose their virginities together, and now that the relationship is over, he'll never lose his.