- Is a member of MENSA and has a Genius IQ.
- He has played the brother of his real life sister Amber Joy Williams on Saturday Night Live - as Cameron Diaz's kids, and on Late Night with David Letterman. They also played fraternal twins in "Home Movie.".
- Brother of Amber Joy Williams.
- Austin's mom was a Prosecutor at the Brooklyn District Attorney's Office before he was born. She never went back as planned, because being a mom was too much fun!
- His dad is an Athletic Director and coaches Austin and his teammates in Baseball and Basketball.
- Austin's family adopted their dog from Petfinder.org.
- Austin's grandfather recently retired after 37 years of service with the New York City Fire Department. He was a Battalion Chief on the upper East side of Manhattan.
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