In 'Grey's Anatomy', what nickname is given to Dr. Derek Shepherd?

In 'The Good Doctor', what condition does Dr. Shaun Murphy have? In 'Scrubs', at which hospital do the doctors work? In 'House', at which teaching hospital does Dr. House work? In 'Grey's Anatomy', what is Meredith Grey's surgical specialty? In 'ER', which actor played Dr. Doug Ross? In 'NYPD Blue', which actor played Detective Andy Sipowicz? In 'The Shield', which actor played corrupt detective Vic Mackey? In 'Justified', which actor played U.S. Marshal Raylan Givens?