WATCH: Dad Dresses as Michael Phelps to Surprise Son

Mom's heard saying, "it wasn't my idea."

Justin Beadles is the kind of Dad who would show up to his 15 year-old son’s last day of school dressed in a speedo barefoot with Olympic medals around his neck while Mom records it all on camera.

Watch as people laugh hysterically, cars honk and Mom admits: “wasn’t my idea.”