Bob Barnett, played by Richard Paul, and Trudy Barnett, played by Bobbi Jo Lathan, were characters seen on Beverly Hills, 90210, the first series of the Beverly Hills, 90210 continuity. They appeared in the season one episode, B.Y.O.B.
Bob and Trudy are a married couple in the adjoining room at a hotel in Palm Springs when Jim and Cindy Walsh take a trip with Jim's company. They make themselves at home with the Walshes and impose on their time by smothering them during the trip.
They later reveal themselves to be swingers and attempt at an orgy with the Walshes, who get away from them as fast as possible.