Hot Lips Houlihan is a fictional character from the television series M*A*S*H, which aired from 1972 to 1983. Portrayed by actress Loretta Swit, she is a skilled and dedicated army nurse stationed at a mobile army surgical hospital during the Korean War. Known for her strong personality and professionalism, Hot Lips often navigates the challenges of wartime medicine while maintaining her commitment to her patients. The character is also notable for her complex relationships with other characters, particularly Hawkeye Pierce and Trapper John. Throughout the series, Hot Lips evolves from a strict and by-the-book nurse to a more compassionate and understanding individual, reflecting the impact of war on personal growth and relationships.