For the character of the same name from The Autobiography of Dale Cooper: My Life, My Tapes, see Andy (Bryn Mawr). Andy Brennan was a slow but loyal deputy of the sheriff's department in Twin Peaks, one of the Bookhouse Boys[2], and the husband of Lucy Brennan. He worked on the investigations into Laura Palmer's murder, the Black Lodge, and Dale Cooper's doppelganger. Andy was born to a large family with at least one younger sibling.[3] In mid-February 1989, upon hearing Harry's suggestion that