Answer
Landlord. Don Knotts portrayed Ralph Furley, the landlord in the sitcom "Three's Company." Furley was a quirky and often clueless character who frequently interfered in the lives of his tenants, Jack, Janet, and Chrissy. His eccentric behavior and memorable catchphrases, such as "Hello, there!" and "Dy-no-mite!", made him a beloved character among viewers.