In 'Cheers', which regular's entrance is greeted by everyone shouting his name?

In 'Laverne & Shirley', in which city do the two women work at a brewery? In 'WKRP in Cincinnati', what kind of business is WKRP? In 'Happy Days', in which city is the show set? In 'Cheers', what is the name of the know-it-all mail carrier? In 'Frasier', what is the name of the Crane family's dog? In 'Frasier', what is the name of Frasier's radio producer? In 'Parks and Recreation', what is the name of the beloved miniature horse? In 'Brooklyn Nine-Nine', what is the name of the precinct's captain?