Patrick has an identical twin brother,  Peter, he is an actor in L.A. and has brought Patrick into a few movies.  In 2003  Patrick and his twin  had a small role in the Chirstmas classic, ‘ELF’ (below) next time you watch look at the twin elves in the beginning of the movie when the baby “Buddy” crawls out of the bag.

"What our we gonna do now?"