Also known as: Џони Галецки · Τζόνι Γκαλέκι · 자니 갈렉키 · 強尼·格萊奇 · جانی گالکی · Джонни Галецки
Biography
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.
