Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.
Known For : Acting
Birthday : 1975-04-30
Place of Birth : Bree, Belgium
Also Known As : Џони Галецки, Τζόνι Γκαλέκι, 자니 갈렉키, 強尼·格萊奇
