Who was the older woman non speaking part on almost all cheers tv episodes?

The older woman with a non-speaking role in almost all episodes of "Cheers" is the character known as "Carla's Mother," played by actress Rhea Perlman. Though not a main character, she appeared in various episodes throughout the series, often providing humorous background moments. Perlman's portrayal of Carla Tortelli, one of the main characters, made her a familiar face in the bar setting of the show.