Brian Patrick Stepanek is an American actor. He is known for his role as Arwin Hawkhauser on the Disney Channel Original Series The Suite Life of Zack & Cody and Brian on Brian O'Brian. He was also a Sector Seven Agent in the 2007 Michael Bay film Transformers, and also had a supporting role in The Island. Stepanek is also known as the voice of Roger in Father of the Pride and played Tom Harper on the Nickelodeon series Nicky, Ricky, Dicky & Dawn from 2014 to 2018. He currently voices Lynn Loud Sr. on the Nickelodeon animated series The Loud House.