Brian Patrick Stepanek (born February 6, 1971) is an American actor, voice actor, director, screenwriter and producer. He is known for his role as Arwin Hawkhauser in the Disney Channel Original Series The Suite Life of Zack & Cody and as the titular character in the Brain O'Brian shorts.
On Nickelodeon, Stepanek is best known as the voice of Lynn Loud Sr. on The Loud House, on which he also voices Todd (one of Lisa's robots) and Hunter Spector. He also reprised his role as Lynn Sr. in live-action for A Loud House Christmas, The Really Loud House, and A Really Haunted Loud House, the latter two of which again had him providing Todd's voice. Outside of The Loud House franchise, he also starred on Nicky, Ricky, Dicky, & Dawn as the titular siblings' father, Tom Harper, and played Officer Goosebump in The Haunted Hathaways.