Brian Patrick Stepanek (born February 6, 1971) is an American actor and voice 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.