| Mary Lou Retton
| Character Information
Mary Lou Retton is an American gymnast.
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 1984 Summer Olympics.
- When the Simpsons see Korean gymnast Kim Hwan 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.