Janet Wood is a fictional character from the television series Three's Company, which aired from 1977 to 1984. She is portrayed by actress Joyce DeWitt and is known for her kind-hearted and responsible nature. Janet works as a waitress and often takes on a nurturing role among her roommates, Jack Tripper and Chrissy Snow. In the show, Janet is characterized by her strong friendship with Jack and Chrissy, navigating various comedic situations in their shared apartment. Her character often serves as a voice of reason, balancing the more impulsive personalities of her friends while contributing to the show's humor and charm.