Name: Johnny Galecki
Born as: John Mark Galecki
Birth date/place: April 30, 1975 in Bree, Belgium
Belgian-born American actor, Naked Johnny Galecki. is best known as David Healy in the TV sitcom Roseanne, as well as Rusty Griswold in National Lampoon’s Christmas Vacation and Leonard Hofstadter in the 2011 season of the comedy series The Big Bang Theory. Galecki will appear in the recently completed film In Time.