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Gordie Howe is a retired professional hockey player from Canada.
Bart was pranking Mrs. Krabappel by answering her personals ad and carrying out a chain of correspondence with her, using "Woodrow" as an alias. When Mrs. Krabappel proposed that they exchange pictures and enclosed a sexy photo of herself, Bart at first had no idea what to send her in return. However, he started flipping through a book of NHL stars, came across Howe's picture, and decided to use it for Woodrow's picture. As Bart cut Howe's photo from the book, he said, "Strap on your skates, Gordie, you're goin' in."
Mrs. Krabappel was pleased with the photo. She framed it and kept it on her desk at school.
 Behind the Laughter