Mary Lou Retton

Mary Lou Retton is an American gymnast.

History
When Dr. Hibbert gave Lisa an medical examination, he checked her reflexes and said that she had the reflexes of a young Mary Lou Retton.

Behind the Laughter

 * Mary Lou Retton is most famous for her performance in the.
 * When the Simpsons see Korean gymnast Kim Huang completing a perfect dismount with a broken leg, it is a reference to Retton's getting a perfect 10 for a vault in spite of having an injured knee.