Who is the pharmacist in two and a half men?

In the sitcom "Two and a Half Men," the character of the pharmacist is portrayed by actor Conchata Ferrell. She plays the role of Berta, the sarcastic and no-nonsense housekeeper who works for Charlie Harper. Although Berta is not a pharmacist by profession, her character often provides comic relief and displays a sharp wit throughout the series. Berta's interactions with the main characters contribute significantly to the show's humor and charm.