brian patrick stepanek (born february 6, 1971) is an american actor. he was born in cleveland, ohio. he is known for his role as arwin hawkhauser on the disney channel original series "the suite life of zack &amp; cody" and brian on "brian o'brian". he was also a sector seven agent in the 2007 michael bay movie "transformers". he played tom harper on the nickelodeon series "nicky, ricky, dicky &amp; dawn" from 2014 to 2018.