In House M.D., diagnostician Gregory’s surname is House.
Dr. Gregory House is the central character of the series, played by English actor Hugh Laurie. He leads a team in the fictional Princeton-Plainsboro Teaching Hospital and specializes in solving unusually difficult medical cases.
House is known for his exceptional diagnostic ability, abrasive manner, dependence on a cane, and chronic leg pain caused by an infarction in his thigh. His methods often involve forming competing hypotheses and ordering tests to eliminate possibilities.
The surname can be confused with the title of the series, but the show’s name directly refers to its protagonist. The character’s full name is Dr. Gregory House, and the series frequently uses “House” as both a name and a shorthand for his diagnostic department.