Thomas Steven Middleditch (born March 10, 1982) is a Canadian actor, comedian, and screenwriter. He is known for his role as Richard Hendricks in the HBO series Silicon Valley (2014–2019), earning a nomination for the Primetime Emmy Award for Outstanding Lead Actor in a Comedy Series. He has voiced Penn Zero in the Disney XD animated series Penn Zero: Part-Time Hero (2014–2017), Harold Hutchins in Captain Underpants: The First Epic Movie (2017), and Terry in the Hulu adult animated sci-fi series Solar Opposites. Middleditch also appears in ads for Verizon Wireless.