Lexie (Chyler Leigh): Her father committed suicide and her mother died of a stomach thing and she’s none too pleased to be at Seattle Grace with her half-sister who, she’s never met. She eventually winds up having her life saved — by Mark and Meredith. That Shonda Rhimes is goooood.

Mark (Eric Dane): He’s not a doc at Seattle Grace but he still makes his mark (sorry!) at the hospital, coming to an unconscious Lexie’s rescue and bringing her back to the hospital after she ODs a second time. Say it with us: MFEO