Leonard Leakey Hofstadter, Ph.D ., is a fictional character in the CBS television series The Big Bang Theory, in which he is portrayed by actor Johnny Galecki. Leonard is an experimental physicist, who shares an apartment with colleague and best friend Dr. Sheldon Cooper( Jim Parsons ). For his portrayal, Galecki was nominated for a Primetime Emmy Award and a Golden Globe Award in 2011.
It is possible that Leonard is based on the show’s co-creator, Bill Prady, back when he was a computer programmer. Leonard has been described as the straight man of the series. Penny( Kaley Cuoco) is Leonard’s next-door neighbor and main love interest, and the pester of romance between the two of them is a major force driving the series. In “The Gorilla Dissolution “, they finally become engaged, wedding in Las Vegas at the beginning of season 9.