I never cared for Peggy's hippy BF on Mad Men. But it wasn't til I identified him as Joe Flaherty's twin that I realized why I disliked him so much. Joe Flaherty starred in Maniac Mansion. I hate Maniac Mansion. A lot. Joe Flaherty also ruined Freaks and Geeks for me. And that's a really hard thing to do when a young James Franco's running around on screen.
